Sierra Nevada Corporation  (14) Northrop Grumman  (3) VTG  (3) Huntington Ingalls Industries  (3) Modern Technology Solutions, Inc.  (2) Lockheed Martin  (2) Qualis Corporation  (2) Integrity Communications Solutions  (2) OBXtek Inc.  (2) Boeing  (2) Deloitte  (1) SAIC  (1) The Aerospace Corporation  (1) Caribou Thunder  (1) Bluestaq LLC  (1) K2 Group, Inc.  (1) AT and T  (1) Rapid Strategy  (1) Chugach Government Solutions  (1) Infinity Technology Services LLC  (1) MKS2 Technologies  (1) SMS Data Products Group, Inc.  (1)