atd, llc
Advanced Telephone & Data, LLC
Toll Free 1-866-4ATD-800
Davis County: (801) 544-0972
Salt Lake: (801) 417-0143
Fax: (801) 417-0146

 
Customers & Affiliates
Siemens Enterprise Networks LLC
Integra Telecom
Dex Media
Internal Revenue Service
Bureau of Land Management
Kennecott Utah Copper Corp
Maverik Country Stores
Henkels & McCoy
Kohl's
Kroger Layton Dairy Manufacturing
Satcom Systems, Inc.
Westech Engineering, Inc.