美国国际开发署 (USAID)
美国贸易发展署 (USTDA)
美国商务部 (USDOC)
CH2M Hill, Inc.
Fluor
Earth Tech (Now AECOM)
Tetra Tech, Inc.
BEM Systems, Inc.
GCW Consulting
Getty Refining and Marketing (LUKOIL)
Corrpro Companies, Inc.
Texas Incineration, Inc.
Beaudin Consulting and Equipment, LLC
L-3/Klein Systems
