Post Office Box 9008
624 North Marine Corps Drive
Tamuning, Guam 96931 
(671) 644-4482
(671) 644-0010
Web Home Page:
President and Chief Executive Officer:
Robert Haulbrook
Vice President, Network Security:
Duncan C. Leuenberger
Business Focus:
GTA offers voice, wireless, broadband and digital television services for business and enterprise customers. It offers simple solutions for one or multiple locations, competitive pricing, facilities-based with metro fiber rings, national network and local collocations, and professional customer service. GTA is a reliable and proven leader in telecommunications.
Products/ Services:
GTA offers high-speed broadband Internet Digital Television, featuring high-definition channels, landline, long-distance telephone and wireless services.
GTA is Guam's complete communications provider, offering a range of services for Guam residents, businesses and government agencies.
Access to Contract Vehicles:
GTA holds the Class B services contract for Joint Region Marianas and maintains a National Security Agreement with DOJ, DOD, DHS and the FBI.
Business Categories:
  • Broadband Services
  • Data Communications
  • Headsets/Handsets
  • Mobile Communications
  • Networking Technologies
  • Professional Services
  • Wire/Cable
  • Wireless Communications
Small Business Status:
  • Not Small Business
NAICS Industry: