American Engineers Inc.
Ameristar Perimeter Security USA Inc.
Aptim Federal Services, LLC
Barge Design Solutions, Inc.
DBS and Associates Engineering, Inc.
Environmental Consulting and Training Services, Inc.
GEM Technologies, Inc.
I C Thomasson Assoc. Inc.
K.S. Ware & Assoc. LLC
L. I. Smith & Associates, Inc.
New Fields Government Services, LLC
SES Group of Companies
Siemens Industries, Inc.
Smith Seckman Reid Inc.
Terracon Consultants, Inc.
Tri State Drilling, LLC
Trinity Analysis & Development Corp.
VALOR Solutions Group LLC (Valor Project Management & Consulting)
Wood Environment & Infrastructure Solutions, Inc.