

 
                                                                           
         D E M A N D   R E S E A R C H   C O R P O R A T I O N ' S         
                                                                           
                         D I R E C T O R Y   O F                           
                                                                           
          T E L E C O M M U N I C A T I O N S   C O M P A N I E S          
                                                                           
                      S E P T E M B E R ,  1 9 9 3                         
                                                                           
 


   What Is In This Directory?
   -------------------------

   This is a continuously updated directory that now contains current names,
   addresses, phone numbers, and principal officers for over 1OO US publicly
   held companies in the telecommunications industry.  This is a shareware
   product updated and distributed monthly by Demand Research Corporation,
   625 North Michigan Avenue, Chicago, IL 6O611.  Tel: (312) 664-65OO.

   The information contained herein is obtained from sources believed to
   be reliable, but Demand Research is not responsible for any errors or
   omissions.  All rights are reserved.


   Does DRC Publish Any Other Similar Directories?
   ----------------------------------------------

   Yes.  Look for these other monthly shareware directories distributed by
   Demand Research:


       *   DRC'S DIRECTORY OF MIS EXECUTIVES

           Over 5OO corporate officers in US public companies who
           are responsible for MIS (Management Information Systems).
           Included is the full name and exact title of each executive,
           plus company name, address, telephone, and industry.


       *   DRC'S DIRECTORY OF HUMAN RESOURCES EXECUTIVES

           Over 9OO corporate officers in US public companies who
           are responsible for human resources and personnel.  Included
           is the full name and exact title of each executive, plus
           company name, address, telephone, and industry.


       *   DRC'S DIRECTORY OF MARKETING & SALES EXECUTIVES

           Over 9OO corporate officers in US public companies who
           are responsible for marketing and sales.  Included is the
           full name and exact title of each executive, plus company
           name, address, telephone, and industry.


       *   DRC'S DIRECTORY OF MANUFACTURING EXECUTIVES

           Over 2OO corporate officers in US public companies who
           are responsible for manufacturing and production.  Included
           is the full name and exact title of each executive, plus
           company name, address, telephone, and industry.


       *   DRC'S DIRECTORY OF R&D EXECUTIVES

           Over 2OO corporate officers in US public companies who
           are responsible for research and development.  Included
           is the full name and exact title of each executive, plus
           company name, address, telephone, and industry.


       *   DRC'S DIRECTORY OF CORPORATE CONTROLLERS

           Over 5OO corporate controllers in US public companies that
           trade on the New York Stock Exchange.  Included is the full
           name and exact title of each executive, plus company name,
           address, telephone, and industry.


       *  DRC'S DIRECTORY OF CORPORATE TREASURERS

          Over 5OO corporate treasurers in US public companies that
          trade on the New York Stock Exchange.  Included is the full
          name and exact title of each executive, plus company name,
          address, telephone, and industry.


   Is This File Available In Other Formats?
   ---------------------------------------

   Yes.  With an order for DRC's Executive Desk Register of Publicly Held
   Corporations (see below), this file can be ordered at no charge in
   comma-delimited ASCII, dBASE III PLUS, or Lotus 1-2-3.


 
                                                                           
           T H E   E X E C U T I V E   D E S K   R E G I S T E R           
                                                                           
         O F   P U B L I C L Y   H E L D   C O R P O R A T I O N S         
                                                                           
 
                                                                           
    The Executive Desk Register of Publicly Held Corporations is a         
    database that contains all of the approximately 5,OOO domestic         
    corporations and financial institutions currently trading on           
    the New York Stock Exchange, the American Stock Exchange, and          
    the NASDAQ National Market System.  Each record provides:              
                                                                           
                       ** Full company name                                
                       ** Street address                                   
                       ** City, state, & zip code                          
                       ** Telephone number                                 
                       ** Fax number where available                       
                       ** Ticker symbol                                    
                       ** Exchange affiliation                             
                       ** Chief Executive Officer                          
                       ** Chief Financial Officer                          
                       ** Industry classification                          
                                                                           
    The Executive Desk Register is updated daily and published monthly     
    by Demand Research Corporation on IBM PC diskettes in standard         
    ASCII text, comma-delimited ASCII, dBASE III PLUS, or Lotus 1-2-3.     
                                                                           
    The cost for one month's edition is $59.95 direct from Demand          
    Research.  Four quarterly editions are $100.  A 12-edition monthly     
    subscription is $249.                                                  
                                                                           
    There is no charge for postage or handling, and there is no charge     
    for sales tax.  All orders are shipped within 24 hours of receipt.     
    Mail orders for the The Executive Desk Register should be sent to:     
                                                                           
                       Demand Research Corporation                         
                       Publications Division                               
                       625 North Michigan Avenue                           
                       Chicago, Illinois 6O611                             
                                                                           
    When ordering, please specify diskette format (standard ASCII text,    
    comma-delimited ASCII, dBase, or Lotus) and type (5.25" or 3.5").      
                                                                           
    Telephone orders for The Executive Desk Register can be placed at      
    312-664-65OO or via CompuServe 732O7,3434.  Visa and MasterCard        
    are welcome.                                                           
                                                                           
 

  ACC Corp.  39 State St.
      Rochester, NY 14614  716-987-3000  ACCC  NASDAQ
      CEO: Mr. Richard T. Aab  CFO: Mr. Michael R. Daley
      Industry: Telecommunications services

  ADC Telecommunications, Inc.  4900 W. 78th St.
      Minneapolis, MN 55435  612-938-8080  ADCT  NASDAQ
      CEO: Mr. William J. Cadogan  CFO: Mr. LeRoy J. Morgan
      Industry: Telecommunications equipment

  ALC Communications Corp.  30300 Telegraph Rd.
      Birmingham, MI 48010  313-647-4060  ALC  AMEX  
      CEO: Mr. John M. Zrno  CFO: Mr. Marvin C. Moses
      Industry: Telecommunications services

  American Mobile Systems, Inc.  21160 Califa St.
      Woodland Hills, CA 91367  818-593-3000  AMSEE  NASDAQ
      CEO: Mr. Richard G. Somers  CFO: Mr. Richard G. Somers
      Industry: Telecommunications services

  American Telephone & Telegraph Co.  550 Madison Ave.
      New York, NY 10022  212-605-5500  T  NYSE  
      CEO: Mr. Robert E. Allen  CFO: Mr. Alex J. Mandl
      Industry: Telecommunications services

  Andrea Electronics Corp.  11-40 45th Rd.
      Long Island City, NY 11101  718-729-8500  AND  AMEX  
      CEO: Mr. Frank A. D. Andrea, Jr.  CFO: Mr. Frank A. D. Andrea, Jr.
      Industry: Telecommunications equipment

  Andrew Corp.  10500 W. 153rd St.
      Orland Park, IL 60462  708-349-3300  ANDW  NASDAQ
      CEO: Dr. Floyd L. English, Ph.D.  CFO: Mr. Charles R. Nicholas
      Industry: Telecommunications equipment

  Applied Signal Technology, Inc.  160 Sobrante Way
      Sunnyvale, CA 94086  408-749-1888  APSG  NASDAQ
      CEO: Mr. G. L. Yancey  CFO: Mr. Brian M. Offi
      Industry: Telecommunications equipment

  Arch Communications Group, Inc.  110 Turnpike Rd., Ste. 210
      Westborough, MA 01581  508-898-0962  APGR  NASDAQ
      CEO: Mr. C. Edward Baker, Jr.  CFO: Mr. William A. Wilson
      Industry: Telecommunications services

  Arden Group, Inc.  2020 S. Central Ave.
      Compton, CA 90220  310-638-2842  ARDNA  NASDAQ
      CEO: Mr. Bernard Briskin  CFO: Mr. Ernest T. Klinger
      Industry: Telecommunications equipment

  Artel Communications Corp.  22 Kane Industrial Dr.
      Hudson, MA 01749  508-562-2100  AXXX  NASDAQ
      CEO: Mr. Robert L. Bowman  CFO: Mr. Gerald M. Schimmoeller
      Industry: Telecommunications equipment

  Aspect Telecommunications Corp.  1730 Fox Dr.
      San Jose, CA 95131  408-441-2200  ASPT  NASDAQ
      CEO: Mr. James R. Carreker  CFO: Mr. Jan A. Praisner
      Industry: Telecommunications equipment

  Associated Communications Corp.  200 Gateway Towers
      Pittsburgh, PA 15222  412-281-1907  ACCMA  NASDAQ
      CEO: Mr. Jack N. Berkman  CFO: Mr. Myles P. Berkman
      Industry: Telecommunications services

  BI Inc.  6400 Lookout Rd.
      Boulder, CO 80301  303-530-2911  BIAC  NASDAQ
      CEO: Mr. David J. Hunter  CFO: Mr. Jeffrey J. Hiller
      Industry: Telecommunications equipment

  Black Industries, Inc.  2816 N. Roxboro St.
      Durham, NC 27704  919-477-0485  BLAK  NASDAQ
      CEO: Mr. Craig M. Black  CFO: Mr. Craig M. Black
      Industry: Telecommunications services

  Boston Technology, Inc.  100 Quannapowitt Parkway
      Wakefield, MA 01880  617-246-9000  BSTN  NASDAQ
      CEO: Mr. Greg C. Carr  CFO: Mr. William J. Burke
      Industry: Telecommunications equipment

  Brite Voice Systems, Inc.  7309 E. 21st St.
      Wichita, KS 67206  316-652-6500  BVSI  NASDAQ
      CEO: Mr. Stanley G. Brannan  CFO: Mr. Glenn A. Etherington
      Industry: Telecommunications equipment

  Broadcast International, Inc.  7050 Union Park Center
      Midvale, UT 84047  801-562-2252  BRIN  NASDAQ
      CEO: Mr. Dwight H. Egan  CFO: Mr. E. Reese Davis, Jr.
      Industry: Telecommunications equipment

  Burnup & Sims Inc.  One N. University Dr.
      Ft. Lauderdale, FL 33324  305-587-4512  BSIM  NASDAQ
      CEO: Mr. Nick A. Caporella  CFO: Mr. George R. Bracken
      Industry: Telecommunications equipment

  C-COR Electronics, Inc.  60 Decibel Rd.
      State College, PA 16801  814-238-2461  CCBL  NASDAQ
      CEO: Mr. Richard E. Perry  CFO: Mr. Jack B. Andrews
      Industry: Telecommunications equipment

  CXR Corp.  521 Charcot Ave.
      San Jose, CA 95131  408-435-8520  CXR  AMEX  
      CEO: Mr. F. Jack Gorry  CFO: Mr. Kent M. Wilkins
      Industry: Telecommunications equipment

  California Amplifier, Inc.  460 Calle San Pablo
      Camarillo, CA 93012  805-987-9000  CAMP  NASDAQ
      CEO: Mr. Barry W. Hall  CFO: Mr. Barry W. Hall
      Industry: Telecommunications equipment

  California Microwave, Inc.  985 Almanor Ave.
      Sunnyvale, CA 94086  408-732-4000  CMIC  NASDAQ
      CEO: Mr. Philip F. Otto  CFO: Mr. George L. Spillane
      Industry: Telecommunications equipment

  Cellular Communications, Inc.  150 E. 58th St.
      New York, NY 10155  212-319-7014  COMMA  NASDAQ
      CEO: Mr. William B. Ginsberg  CFO: Mr. J. Barclay Knapp
      Industry: Telecommunications services

  Cellular, Inc.  5990 Greenwood Plaza Blvd.
      Englewood, CO 80111  303-694-3234  CELS  NASDAQ
      CEO: Mr. Arnold C. Pohs  CFO: Mr. Daniel P. Dwyer
      Industry: Telecommunications services

  Celutel, Inc.  900 Bestgate Rd., Ste. 400
      Annapolis, MD 21401  410-573-5200  CLU  AMEX  
      CEO: Mr. Frank S. Scarpa  CFO: Mr. Richard J. Donnelly
      Industry: Telecommunications services

  Centennial Cellular Corp.  50 Locust Ave.
      New Canaan, CT 06840  203-972-2000  CYCL  NASDAQ
      CEO: Mr. Bernard P. Gallagher  CFO: Mr. Scott N. Schneider
      Industry: Telecommunications services

  Centex Telemanagement, Inc.  185 Berry St.
      San Francisco, CA 94107  415-882-2300  CNTX  NASDAQ
      CEO: Mr. Peter A. Howley  CFO: Mr. Henry P. Huff, III
      Industry: Telecommunications services

  Centigram Communications Corp.  91 E. Tasman Dr.
      San Jose, CA 95134  408-944-0250  CGRM  NASDAQ
      CEO: Mr. George H. Sollman  CFO: Mr. Anthony R. Muller
      Industry: Telecommunications equipment

  Comdial Corp.  1180 Seminole Trail
      Charlottesville, VA 22906  804-978-2200  CMDL  NASDAQ
      CEO: Mr. William G. Mustain  CFO: Mr. Wayne R. Wilver
      Industry: Telecommunications equipment

  Communications Satellite Corp.  950 L'Enfant Plaza, S.W.
      Washington, DC 20024  202-863-6000  CQ  NYSE  
      CEO: Mr. Bruce L. Crockett  CFO: Mr. C. Thomas Faulders III
      Industry: Telecommunications services

  Communications Systems, Inc.  213 S. Main St.
      Hector, MN 55342  612-848-6231  CSII  NASDAQ
      CEO: Mr. Curtis A. Sampson  CFO: Mr. Paul N. Hanson
      Industry: Telecommunications equipment

  Compression Labs, Inc.  2860 Junction Ave.
      San Jose, CA 95134  408-435-3000  CLIX  NASDAQ
      CEO: Mr. John E. Tyson  CFO: Mr. William A. Berry
      Industry: Telecommunications equipment

  Comtech Telecommunications Corp.  105 Baylis Rd.
      Melville, NY 11747  516-777-8900  CMTL  NASDAQ
      CEO: Mr. F. Kornberg  CFO: Mr. G. Nocita
      Industry: Telecommunications equipment

  ConferTech International, Inc.  2801 Youngfield
      Golden, CO 80401  303-237-5151  CFER  NASDAQ
      CEO: Mr. H. Robert Gill  CFO: Mr. James R. Downs
      Industry: Telecommunications services

  Contel Cellular Inc.  245 Perimeter Center Parkway
      Atlanta, GA 30346  404-804-3400  CCXLA  NASDAQ
      CEO: Mr. Dennis L. Whipple  CFO: Mr. Thomas J. Carrier
      Industry: Telecommunications services

  DSC Communications Corp.  1000 Coit Rd.
      Plano, TX 75075  214-519-3000  DIGI  NASDAQ
      CEO: Mr. James L. Donald  CFO: Mr. Gerald F. Montry
      Industry: Telecommunications equipment

  Datron Systems, Inc.  200 W. Los Angeles Ave.
      Simi Valley, CA 93065  805-584-1717  DTSI  NASDAQ
      CEO: Mr. David A. Derby  CFO: Mr. Thomas V. Baker
      Industry: Telecommunications equipment

  Davox Corp.  3 Federal St.
      Billerica, MA 01821  508-667-4455  DAVX  NASDAQ
      CEO: Mr. Daniel A. Hosage  CFO: Mr. J. Lawrence Doherty
      Industry: Telecommunications equipment

  Digital Sound Corp.  2030 Alameda Padre Serra
      Santa Barbara, CA 91303  805-569-0700  DGSD  NASDAQ
      CEO: Mr. Bryan R. Gummon  CFO: Mr. Eugene F. Hovanec
      Industry: Telecommunications equipment

  Digital Systems International, Inc.  7659 - 178th Place N.E.
      Redmond, WA 98052  206-881-7544  DGTL  NASDAQ
      CEO: Mr. Michael L. Darland  CFO: Mr. Michael T. Osborn
      Industry: Telecommunications equipment

  Dycom Industries, Inc.  450 Australian Ave. South
      West Palm Beach, FL 33401  407-659-6301  DY  NYSE  
      CEO: Mr. Thomas R. Pledger  CFO: Mr. Robert T. Owens
      Industry: Telecommunications equipment

  EXECUTONE Information Systems, Inc.  6 Thorndal Circle
      Darien, CT 06820  203-655-6500  XTON  NASDAQ
      CEO: Mr. Alan Kessman  CFO: Mr. Michael W. Yacenda
      Industry: Telecommunications equipment

  Eagle Telephonics, Inc.  375 Oser Ave.
      Hauppauge, NY 11788  516-273-6700  EGLA  NASDAQ
      CEO: Mr. Richard J. Riccoboni  CFO: Mr. Myron W. Landin
      Industry: Telecommunications equipment

  Electronic Information Systems, Inc.  1351 Washington Blvd.
      Stamford, CT 06902  203-351-4800  EISI  NASDAQ
      CEO: Mr. Joseph J. Porfeli  CFO: Mr. E. Kevin Dahill
      Industry: Telecommunications equipment

  Electronic Tele-Communications, Inc.  1915 MacArthur Rd.
      Waukesha, WI 53188  414-542-5600  ETCIA  NASDAQ
      CEO: Mr. George W. Danner  CFO: Mr. Jeffrey M. Nigl
      Industry: Telecommunications equipment

  Executive TeleCard, Ltd.  8 Avenue C
      Nanuet, NY 10954  914-627-2060  EXTL  NASDAQ
      CEO: Mr. William V. Moore  CFO: Mr. William V. Moore
      Industry: Telecommunications services

  First Pacific Networks, Inc.  601 W. California Ave.
      Sunnyvale, CA 94086  408-730-6600  FPNX  NASDAQ
      CEO: Mr. Craig J. Brunet  CFO: Mr. Joseph A. Grippo
      Industry: Telecommunications services

  Fleet Call, Inc.  201 Route 17 North
      Rutherford, NJ 07070  201-438-1400  CALL  NASDAQ
      CEO: Mr. Brian D. McAuley  CFO: Ms. Elizabeth G. Long
      Industry: Telecommunications services

  GTECH Holdings Corp.  55 Technology Way
      West Greenwich, RI 02816  401-392-1000  GTK  NYSE  
      CEO: Mr. Guy B. Snowden  CFO: Mr. Robert A. Breakstone
      Industry: Telecommunications services

  General Instrument Corp.  181 W. Madison St.
      Chicago, IL 60602  312-541-5000  GIC  NYSE  
      CEO: Mr. D. H. Rumsfeld  CFO: Mr. R. S. Friedland
      Industry: Telecommunications equipment

  Harris Corp.  1025 W. NASA Blvd.
      Melbourne, FL 32919  407-727-9100  HRS  NYSE  
      CEO: Mr. John T. Hartley  CFO: Mr. Bryan R. Roub
      Industry: Telecommunications equipment

  Hector Communications Corp.  211 S. Main St.
      Hector, MN 55342  612-848-6231  HCCO  NASDAQ
      CEO: Mr. Curtis A. Sampson  CFO: Mr. Charles A. Braun
      Industry: Telecommunications services

  Hotelecopy, Inc.  17850 N.E. 5th Ave.
      Miami, FL 33162  305-651-5176  FAXM  NASDAQ
      CEO: Mr. W. Edd Helms, Jr.  CFO: Mr. Philip Kabot
      Industry: Telecommunications services

  IDB Communications Group, Inc.  10525 W. Washington Blvd.
      Culver City, CA 90232  310-870-9000  IDBX  NASDAQ
      CEO: Mr. Jeffrey P. Sudikoff  CFO: Mr. Edward R. Cheramy
      Industry: Telecommunications services

  Intellicall, Inc.  2155 Chenault, Ste. 410
      Carrollton, TX 75006  214-416-0022  ICL  NYSE  
      CEO: Mr. R. Stephen Polley  CFO: Mr. Thomas A. Floerchinger
      Industry: Telecommunications equipment

  Inter-Tel, Inc.  6505 W. Chandler Blvd.
      Chandler, AZ 85226  602-961-9000  INTLA  NASDAQ
      CEO: Mr. Steven G. Mihaylo  CFO: Mr. Ralph Marsh
      Industry: Telecommunications equipment

  InterVoice, Inc.  17811 Waterview Parkway
      Dallas, TX 75252  214-669-3988  INTV  NASDAQ
      CEO: Mr. Daniel D. Hammond  CFO: Mr. Daniel D. Hammond
      Industry: Telecommunications equipment

  Intermedia Communications of Florida, Inc.  9280 Bay Plaza Blvd., Ste. 720
      Tampa, FL 33619  813-621-0011  ICIX  NASDAQ
      CEO: Mr. Robert F. Benton  CFO: Mr. Ronald L. Tolliver
      Industry: Telecommunications services

  International Mobile Machines Corp.  2200 Renaissance Blvd.
      King of Prussia, PA 19406  215-278-7800  IMM  AMEX  
      CEO: Mr. William J. Hilsman  CFO: Mr. Richard A. Guttendorf, Jr.
      Industry: Telecommunications equipment

  International Telecharge, Inc.  1412 Main St.
      Dallas, TX 75202  214-744-0240  ITI  AMEX  
      CEO: Mr. Ronald J. Haan  CFO: Mr. Thomas M. Hyatt
      Industry: Telecommunications services

  Keptel, Inc.  56 Park Rd.
      Tinton Falls, NJ 07724  908-389-8800  KPTL  NASDAQ
      CEO: Mr. Richard K. Laird  CFO: Mr. Mark J. Scagliuso
      Industry: Telecommunications equipment

  Kevlin Corp.  5 Cornell Place
      Wilmington, MA 01887  508-657-3900  KVLM  NASDAQ
      CEO: Mr. Arthur C. Williams  CFO: Mr. Arthur C. Williams
      Industry: Telecommunications equipment

  LDDS Communications, Inc.  4780 Interstate 55 North
      Jackson, MS 39211  601-364-7000  LDDSA  NASDAQ
      CEO: Mr. Bernard J. Ebbers  CFO: Mr. Charles T. Cannada
      Industry: Telecommunications services

  LXE Inc.  303 Research Dr.
      Norcross, GA 30092  404-447-4224  LXEI  NASDAQ
      CEO: Mr. John E. Pippin  CFO: Mr. Don T. Scartz
      Industry: Telecommunications equipment

  MCI Communications Corp.  1801 Pennsylvania Ave., N.W.
      Washington, DC 20006  202-872-1600  MCIC  NASDAQ
      CEO: Mr. Bert C. Roberts, Jr.  CFO: Mr. Douglas L. Maine
      Industry: Telecommunications services

  MOSCOM Corp.  3750 Monroe Ave.
      Pittsford, NY 14534  716-381-6000  MSCM  NASDAQ
      CEO: Mr. Albert J. Montevecchio  CFO: Mr. Paul A. Lipari
      Industry: Telecommunications equipment

  McCaw Cellular Communications, Inc.  5400 Carillon Point
      Kirkland, WA 98033  206-827-4500  MCAWA  NASDAQ
      CEO: Mr. Craig O. McCaw  CFO: Mr. Peter L.S. Currie
      Industry: Telecommunications services

  Metricom, Inc.  980 University Ave.
      Los Gatos, CA 95030  408-399-8200  MCOM  NASDAQ
      CEO: Mr. Robert P. Dilworth  CFO: Mr. William D. Swain
      Industry: Telecommunications equipment

  Microcom, Inc.  500 River Ridge Dr.
      Norwood, MA 02062  617-551-1000  MNPI  NASDAQ
      CEO: Mr. James M. Dow  CFO: Mr. Peter J. Minihane
      Industry: Telecommunications equipment

  Microdyne Corp.  491 Oak Rd.
      Ocala, FL 32672  904-687-4633  MCDY  NASDAQ
      CEO: Mr. Donald L. Feller  CFO: Mr. Robert K. Michaels
      Industry: Telecommunications equipment

  Microlog Corp.  20270 Goldenrod Lane
      Germantown, MD 20876  301-428-3227  MLOG  NASDAQ
      CEO: Mr. Joe J. Lynn  CFO: Mr. William J. Lallas
      Industry: Telecommunications equipment

  Millicom Inc.  153 E. 53rd St., Ste. 500
      New York, NY 10022  212-355-3440  MILL  NASDAQ
      CEO: Mr. J. Shelby Bryan  CFO: Mr. David J. Frear
      Industry: Telecommunications services

  Mobile Telecommunications Technologies Corp.  200 S. Lamar
      Jackson, MS 39201  601-944-1300  MTEL  NASDAQ
      CEO: Mr. John N. Palmer  CFO: Mr. J. Robert Fugate
      Industry: Telecommunications services

  Nationwide Cellular Service, Inc.  20 E. Sunrise Highway
      Valley Stream, NY 11582  516-568-2000  NCEL  NASDAQ
      CEO: Mr. Stephen Katz  CFO: Mr. Jerome Sanders
      Industry: Telecommunications services

  Network Equipment Technologies, Inc.  800 Saginaw Dr.
      Redwood City, CA 94063  415-366-4400  NWK  NYSE  
      CEO: Mr. Daniel J. Warmenhoven  CFO: Mr. Craig M. Gentner
      Industry: Telecommunications equipment

  New Valley Corp.  One Lake St.
      Upper Saddle River, NJ 07458  201-818-5000  WU  NYSE  
      CEO: Mr. Robert J. Amman  CFO: Mr. Donald F. McKee
      Industry: Telecommunications services

  Norstan, Inc.  6900 Wedgwood Rd., Ste. 150
      Maple Grove, MN 55311  612-420-1100  NRRD  NASDAQ
      CEO: Mr. Paul Baszucki  CFO: Mr. Richard Cohen
      Industry: Telecommunications equipment

  OCOM Corp.  150 E. 58th St.
      New York, NY 10155  212-906-8440  OHCO  NASDAQ
      CEO: Mr. William B. Ginsberg  CFO: Mr. J. Barclay Knapp
      Industry: Telecommunications services

  Octel Communications Corp.  890 Tasman Dr.
      Milpitas, CA 95035  408-942-6500  OCTL  NASDAQ
      CEO: Mr. Douglas C. Chance  CFO: Mr. Gary A. Wetsel
      Industry: Telecommunications equipment

  Optical Data Systems, Inc.  1101 E. Arapaho Rd.
      Richardson, TX 75081  214-234-6400  ODSI  NASDAQ
      CEO: Mr. G. Ward Paxton  CFO: Mr. G. Ward Paxton
      Industry: Telecommunications equipment

  Page America Group, Inc.  125 State St., Ste. 100
      Hackensack, NJ 07601  201-342-6676  PGG  AMEX  
      CEO: Mr. Steven L. Sinn  CFO: Mr. John X. Adiletta
      Industry: Telecommunications services

  Paging Network, Inc.  4965 Preston Park Blvd.
      Plano, TX 75093  214-985-4100  PAGE  NASDAQ
      CEO: Mr. George M. Perrin  CFO: Mr. Terry L. Scott
      Industry: Telecommunications services

  Panatech Research and Development Corp.  6565 Americas Parkway N.E.
      Albuquerque, NM 87110  505-880-1717  PNTC  NASDAQ
      CEO: Mr. Arthur J. Rosenberg  CFO: Mr. Arthur J. Rosenberg
      Industry: Telecommunications equipment

  Penril DataComm Networks, Inc.  1300 Quince Orchard Blvd.
      Gaithersburg, MD 20878  301-417-0552  PNRL  NASDAQ
      CEO: Mr. Henry D. Epstein  CFO: Mr. Harry O. Christenson
      Industry: Telecommunications equipment

  Peoples Telephone Co., Inc.  8041 N.W. 14th St.
      Miami, FL 33126  305-593-9667  PTEL  NASDAQ
      CEO: Mr. Jeffrey Hanft  CFO: Mr. Richard F. Militello
      Industry: Telecommunications equipment

  Perception Technology Corp.  40 Shawmut Rd.
      Canton, MA 02021  617-821-0320  PCEP  NASDAQ
      CEO: Mr. Leon A. Ferber  CFO: Mr. Paul R. Yecies
      Industry: Telecommunications equipment

  Pico Products, Inc.  12500 Foothill Blvd.
      Lakeview Terrace, CA 91342  818-897-0028  PPI  AMEX  
      CEO: Mr. Everett T. Keech  CFO: Mr. Peter J. Moerbeek
      Industry: Telecommunications equipment

  PictureTel Corp.  222 Rosewood Dr.
      Danvers, MA 01923  508-762-5000  PCTL  NASDAQ
      CEO: Mr. Norman Gaut  CFO: Mr. Les B. Strauss
      Industry: Telecommunications services

  Porta Systems Corp.  575 Underhill Blvd.
      Syossett, NY 11791  516-364-9300  PSI  AMEX  
      CEO: Mr. Vincent F. Santulli  CFO: Mr. Michael A. Tancredi
      Industry: Telecommunications equipment

  ProNet Inc.  600 Data Dr., Ste. 100
      Plano, TX 75075  214-964-9500  PNET  NASDAQ
      CEO: Mr. Jackie R. Kimzey  CFO: Ms. Jan E. Clinger
      Industry: Telecommunications equipment

  Proteon, Inc.  Two Technology Dr.
      Westborough, MA 01581  508-898-2800  PTON  NASDAQ
      CEO: Mr. Patrick Courtin  CFO: Mr. Elliot F. Honan
      Industry: Telecommunications equipment

  QUALCOMM Inc.  10675 Sorrento Valley Rd.
      San Diego, CA 92121  619-587-1121  QCOM  NASDAQ
      CEO: Mr. Irwin M. Jacobs  CFO: Ms. Adelia A. Coffman
      Industry: Telecommunications equipment

  Radiation Systems, Inc.  1501 Moran Rd.
      Sterling, VA 22170  703-450-5680  RADS  NASDAQ
      CEO: Mr. Richard E. Thomas  CFO: Mr. Mark D. Funston
      Industry: Telecommunications equipment

  Regency Electronics, Inc.  7707 Records St.
      Indianapolis, IN 46226  317-545-4281  RGCY  NASDAQ
      CEO: Mr. Steven L. Wilkening  CFO: Mr. Steven L. Wilkening
      Industry: Telecommunications equipment

  Satellite Technology Management, Inc.  3530 Hyland Ave.
      Costa Mesa, CA 92626  714-557-2400  STMI  NASDAQ
      CEO: Mr. Emil Youssefzadeh  CFO: Mr. Wayne L. Blair
      Industry: Telecommunications equipment

  Science Dynamics Corp.  1919 Springdale Rd.
      Cherry Hill, NJ 08003  609-424-0068  SIDY  NASDAQ
      CEO: Mr. Lyndon A. Keele  CFO: Mr. Lyndon A. Keele
      Industry: Telecommunications equipment

  Scientific-Atlanta, Inc.  One Technology Parkway, South
      Atlanta, GA 30092  404-903-5000  SFA  NYSE  
      CEO: Mr. William E. Johnson  CFO: Mr. Julian W. Eidson
      Industry: Telecommunications equipment

  Spectrum Information Technologies, Inc.  2710 Stemmons Freeway
      Dallas, TX 75207  214-630-9825  SPCL  NASDAQ
      CEO: Mr. Peter T. Caserta  CFO: Mr. Christopher McGowan
      Industry: Telecommunications services

  Sunair Electronics, Inc.  3101 S.W. Third Ave.
      Ft. Lauderdale, FL 33315  305-525-1505  SNRU  NASDAQ
      CEO: Mr. Robert Uricho, Jr.  CFO: Mr. Richard H. Hoster
      Industry: Telecommunications equipment

  Syntellect Inc.  15810 N. 28th Ave.
      Phoenix, AZ 85023  602-789-2800  SYNL  NASDAQ
      CEO: Mr. Thomas R. Mayer  CFO: Mr. C. Philip Chapman
      Industry: Telecommunications equipment

  TCI International, Inc.  222 Caspian Dr.
      Sunnyvale, CA 94089  408-747-6100  TCII  NASDAQ
      CEO: Mr. John W. Ballard  CFO: Mr. John W. Ballard
      Industry: Telecommunications equipment

  TIE/communications, Inc.  4 Progress Ave.
      Seymour, CT 06483  203-888-8000  TIE  AMEX  
      CEO: Mr. Thomas L. Kelly, Jr.  CFO: Mr. Anthony T. Guiterman
      Industry: Telecommunications equipment

  Technical Communications Corp.  100 Domino Dr.
      Concord, MA 01742  508-862-6035  TCCO  NASDAQ
      CEO: Mr. Arnold M. McCalmont  CFO: Mr. Graham R. Briggs
      Industry: Telecommunications equipment

  Tekelec  26580 W. Agoura Rd.
      Calabasas, CA 91302  818-880-5656  TKLC  NASDAQ
      CEO: Mr. Peter N. Vicars  CFO: Mr. Philip J. Alford
      Industry: Telecommunications equipment

  Telco Systems, Inc.  63 Nahatan St.
      Norwood, MA 02062  617-551-0300  TELC  NASDAQ
      CEO: Dr. Paul D. Lazay, Ph.D.  CFO: Mr. John A. Ruggiero
      Industry: Telecommunications equipment

  Telebit Corp.  1315 Chesapeake Terrace
      Sunnyvale, CA 94089  408-734-4333  TBIT  NASDAQ
      CEO: Mr. Paul Baran  CFO: Mr. Steven A. Hess
      Industry: Telecommunications equipment

  Telematics International, Inc.  1201 Cypress Creek Rd.
      Ft. Lauderdale, FL 33309  305-772-3070  TMAX  NASDAQ
      CEO: Mr. William A. Hightower  CFO: Ms. Miriam K. Frazer
      Industry: Telecommunications equipment

  Tellabs, Inc.  4951 Indiana Ave.
      Lisle, IL 60532  708-969-8800  TLAB  NASDAQ
      CEO: Mr. Michael J. Birck  CFO: Mr. Peter A. Guglielmi
      Industry: Telecommunications equipment

  U S WEST NewVector Group, Inc.  3350 161st Ave. S.E.
      Bellevue, WA 98008  206-747-4900  USWNA  NASDAQ
      CEO: Mr. John E. DeFeo  CFO: Mr. John M. Stachowiak
      Industry: Telecommunications services

  U.S. Long Distance Corp.  9311 San Pedro, Ste. 300
      San Antonio, TX 78216  210-525-9009  USLD  NASDAQ
      CEO: Mr. Parris H. Holmes, Jr.  CFO: Mr. Mark D. Buckner
      Industry: Telecommunications services

  U.S. Paging Corp.  1680 Route 23 North
      Wayne, NJ 07470  201-305-6000  USPC  NASDAQ
      CEO: Mr. Charles F. Schmoyer  CFO: Mr. Alan L. Bendes
      Industry: Telecommunications services

  UTILX Corp.  22404 - 66th Ave. South
      Kent, WA 98032  206-395-0200  UTLX  NASDAQ
      CEO: Mr. John R. Potter  CFO: Mr. Charles A. Reilly
      Industry: Telecommunications services

  United States Cellular Corp.  8410 W. Bryn Mawr, Ste. 700
      Chicago, IL 60631  312-399-8900  USM  AMEX  
      CEO: Mr. H. Donald Nelson  CFO: Mr. Kenneth R. Myers
      Industry: Telecommunications services

  Universal Security Instruments, Inc.  10324 S. Dolfield Rd.
      Owings Mills, MD 21117  410-363-3000  USEC  NASDAQ
      CEO: Mr. Stephen Knepper  CFO: Mr. Harvey Grossblatt
      Industry: Telecommunications equipment

  V Band Corp.  565 Taxter Rd.
      Elmsford, NY 10523  914-789-5000  VBAN  NASDAQ
      CEO: Mr. James J. Boyce  CFO: Mr. George J. Rogers
      Industry: Telecommunications equipment

  VMX, Inc.  2115 O'Nel Dr.
      San Jose, CA 95131  408-441-1144  VMXI  NASDAQ
      CEO: Mr. Patrick S. Howard  CFO: Mr. Bruce C. Pollock
      Industry: Telecommunications equipment

  Value-Added Communications, Inc.  1901 S. Meyers Rd., Ste. 530
      Oakbrook Terrace, IL 60181  708-628-6606  VACI  NASDAQ
      CEO: Mr. Dennis R. Casey  CFO: Mr. Charles P. Miller
      Industry: Telecommunications services

  Vanguard Cellular Systems, Inc.  2002 Pisgah Church Rd.
      Greensboro, NC 27408  919-282-3690  VCELA  NASDAQ
      CEO: Mr. Haynes G. Griffin  CFO: Mr. Stephen L. Holcombe
      Industry: Telecommunications services

  VeriFone, Inc.  One Lagoon Dr., Ste. 200
      Redwood City, CA 90465  415-591-6500  VFIC  NASDAQ
      CEO: Mr. Hatim Tyabji  CFO: Mr. Thomas W. Hubbs
      Industry: Telecommunications equipment

  Vertex Communications Corp.  2600 N. Longview St.
      Kilgore, TX 75662  214-984-0555  VTEX  NASDAQ
      CEO: Mr. J. Rex Vardeman  CFO: Mr. James D. Carter
      Industry: Telecommunications equipment

  VideoTelecom Corp.  1901 W. Braker Lane
      Austin, TX 78758  512-834-2700  VTEL  NASDAQ
      CEO: Mr. F. H. Moeller  CFO: Mr. Rodney S. Bond
      Industry: Telecommunications equipment

  Viral Testing Systems, Inc.  36 Holly Dr.
      Newington, CT 06111  203-666-5666  VTS  AMEX  
      CEO: Dr. William D. Putt  CFO: Dr. William D. Putt
      Industry: Telecommunications equipment

  Wegener Corp.  11350 Technology Circle
      Duluth, GA 30136  404-623-0096  WGNR  NASDAQ
      CEO: Mr. Robert A. Placek  CFO: Mr. C. Troy Woodbury, Jr.
      Industry: Telecommunications equipment

  Wellfleet Communications, Inc.  15 Crosby Dr.
      Bedford, MA 01730  617-275-2400  WFLT  NASDAQ
      CEO: Mr. Paul J. Severino  CFO: Mr. R. Stephen Cheheyl
      Industry: Telecommunications equipment

  Xyplex, Inc.  330 Codman Hill Rd.
      Boxborough, MA 01719  508-264-9900  XPLX  NASDAQ
      CEO: Mr. Peter J. Nesbeda  CFO: Mr. Paul J. Murphy
      Industry: Telecommunications equipment

  cisco Systems, Inc.  1525 O'Brien Dr.
      Menlo Park, CA 94025  415-326-1941  CSCO  NASDAQ
      CEO: Mr. John P. Morgridge  CFO: Mr. John C. Bolger
      Industry: Telecommunications equipment
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