There are many satisfied gnuAdvantage clients. Some of them are:

United States Department of Agriculture Rural DevelopmentUnited States Department of Agriculture Midwest Industrial ServicesMidwest Industrial Services
Incentive ConceptsIncentive Concepts, LLC McCarthy Buildin CompaniesMcCarthy Building Companies
DRS TechnologiesDRS Technologies Huttig Building ProductsHuttig Building Products
Premcor RefiningPremcor Refining Group AT&TAT&T
SBC CommunicationsSBC Communications AmerenAmeren Services, Inc.
Clark Refining and MarketingClark Refining and Marketing Ralston-PurinaRalston-Purina, Inc.
PeabodyPeabody Coal Company Rawlings Sporting GoodsRawlings Sporting Goods
Southwestern BellSouthwestern Bell Telephone TransQuestTransquest
IBM Skill Dynamics>IBM Skill Dynamics Aeronomics Incorporated
Grace Computer Resources Systems & Electronics, Incorporated