easterangel-ga was so helpful to me in  a recent question, I would
like to tip him for his help  $30.00.  His tips may yet be the answer.
 NO THANK YOU NECESSARY.  RETT1234-GA

Hi! Thanks for offering me this question.

It seems that information for the GPS Organizations is not really
complete so we will have to do with companies and consultants. Here is
a list.

 
Garmin International Inc.  1200 East 151st Street
Olathe, KS 66062 
(Kansas City metro area)
Phone: (913) 397-8200 
Fax: (913) 397-8282  
http://www.garmin.com/ 

Trimble Navigation Limited
749 North Mary Ave
Sunnyvale, CA 94085
http://www.trimble.com/contacts.html

Magellan
http://www.magellangps.com/en/contact/

Lowrance Eectronics
http://www.lowrance.com/Support/Contact/default.asp

Thales
http://products.thalesnavigation.com/en/

SiRF Technology, Inc.
148 E. Brokaw Road 
San Jose, CA 95112
Phone: +1-408-467-0410 
Fax: +1-408-467-0420
http://www.sirf.com/

NovAtel Inc.
1120 - 68th Avenue N.E.
Calgary, Alberta, Canada
T2E 8S5 
Telephone: 403-295-4500
Fax: 403-295-4901 
U.S. & Canada: 1-800-NovAtel
http://www.novatel.com/

Acore
http://www.acoretech.com/contact-us.htm

AerComTec Int'l, Inc.
6130 Woodside Executive Ct. 
Aiken, SC 29803 
Ph: (803) 649-2900 
Fax: (803) 641-6200
http://www.aercomtec.com/

Airbiquity® Inc.
945 Hildebrand Lane NE
Suite 240
Bainbridge Island, WA 98110
http://www.airbiquity.com/index1.html

Cambridge Aero Instruments, Inc.
1565 Dancy Blvd.
Horn Lake, MS 38637
USA
Telephone  01.662.280.7610  
Fax  01.662.280.7609  
http://www.cambridge-aero.com/

CMT
413 SW Jefferson Ave.
Corvallis, OR 97333 USA
Fax  541.752.4117
Email: sales@cmtinc.com

CompassCom
Corporate Headquarters
6770 S. Dawson Circle, Suite 100
Centennial, Colorado 80112
303-680-3221
Fax 303-766-2488
http://www.compasscom.com 

MapSync
2628 Wilhite Court
Suite 116
Lexington, KY 40503
PHONE: 859 . 278 . 6277
FAX: 859 . 278 . 8645
E-mail: info@mapsync.com
www.mapsync.com 

Navigation Laboratories Inc.
30251 Golden Lantern
Suite E-426, Laguna Niguel, CA 92677
Phone: (949) 766-0444, (949) 495-9551 
Fax (949) 713-2479
http://www.navlabs.com/
Bestor Engineers, Inc.
9701 Blue Larkspur Lane
Monterey, CA 93940
Phone: (831) 373-2941
Fax:     (831) 649-4118
E-mail: bestor@bestor.com

Arcadis
630 Plaza Drive
Suite 200
Highlands Ranch, CO 80129
Phone: 720-344-3500 
Fax: 720-344-3535, 
E-mail: arcadisgm@arcadis-us.com 
http://www.arcadis-us.com/service+types/communications/data+information/gps/ 

Palo Wireless
http://www.palowireless.com/consulting/contact.asp

SCI
1323 E. 71st St., Ste. 102 
Tulsa, OK 74136-5051
Telephone : 918.481.0034 
FAX: 918.388.0587
Electronic mail: sales@scigis.com
http://www.scigis.com/

 
Search terms used:  
gps device manufacturers consultants 

I hope these links would help you in your research. Before rating this
answer, please ask for a clarification if you have a question or if
you would need further information.
                                                          
                              
Regards,                              
Easterangel-ga                              
Google Answers Researcher

A for effort and promptness.  I wanted a  very specific referal, a bit
more directed that you were allowed to make, I think.  Thank you very
much for your list of references.