AEI’s business includes both government and private industry customers.  A partial listing of clients is shown below:

StantSouth West Research InstituteSenior Flexonics
RenaultNational Renewable Energy Laboratory (NREL)Faurecia Emissions Control Technologies
ITT Aerospace CommandU.S. Environmental Protection Agency (EPA)Electro Motive Diesel
Coltec, Inc.U.S. Special Operations Command (SOCOM)Aramco Services Co.
Scott-Gibbon Ltd.Cummins, Inc.Fire Chariot, LLC
Allison TransmissionNaval Undersea Warfare CenterUniversity of California, Riverside
U.S. Dept. of Defense (DOD)Cosworth RacingTATA Cummins, LTD.
Applied LaboratoriesU.S. Department of Energy (DOE)Kirloskar Oil Engine LTD
MAN Nutzfahrzeuge AGIndustrial Power AllianceIAV GMBH
Ford Motor Co.Perkins Engine Co.BMW Motoren
CARBPARU Engineering Co.GE Global Research
Martin Marietta Materials, Inc.Donaldson Company, Inc.Affiliated Constitution Services
John DeereFleetguardLiebherr
Borg WarnerIVECO Trucks LimitedAVL
Mack Trucks, Inc.California Air Resources Board (CARB)FPT Industrial
Detroit Diesel Corp.NOxTech Inc.Mainco
Thermal DynamicsEaton Corp.MSX International
DAF TrucksAmerican Chemical Council (ACC)Navistar
General Motors CorporationEmissions TechnologyRobert Bosch Corp
Kukje Machinery Co. LtdEngineering Test ServicesCaterpillar, Inc.
PSA Peugeot CitroënDow Chemical Co.
Cummins East Asia R & D Ltd.Volvo Powertrain Corp
International Truck and EngineJohn Deere Usine de Saran
Ricardo UK Ltd.Mitsubishi Heavy Industries Ltd.
Daihatsu Diesel Mfg Co Ltd.Daimler Benz
Jiangling MotorsEmcon Technologies
AlcoaKarl Schmidt Unisia
TennecoHouston Air Research Center