aurigna consulting GmbH
Technology and business consulting—Exhaust aftertreatment—Filtration and separation technologies—Business development

Development of powertrain systems—Engine instrumentation and test systems—Emission analysis systems—Advanced simulation technologies

BOSMAL Automotive Research and Development Institute
Engine and powertrain development—Emissions, fuels and lubricants testing—Homologation of vehicles—Vehicle and component testing

Cambustion Ltd.
Fast emissions analysers—Automotive emissions consultancy, development and testing

Emissol LLC
Automotive powertrain technologies—Engine emission reduction—Aftertreatment technologies

Exothermia SA
Simulation software for exhaust system design—Engineering services in the area of exhaust emissions control

FEV, Inc.
Diesel systems development from combustion through aftertreatment

Southwest Research Institute
Engine design—Diesel engine development—Fuels, lubricants, and emissions research and testing

Advanced Engine Technologies CorporationUSA
Aeris Analytics LLCUSA
Andover Technology PartnersUSA
Ansys Inc. USA
aurigna consulting GmbHGermany
Automotive Consulting Group, Inc.USA
Automotive Industry Data Ltd.UK
AVL List GmbHAustria
BMT Fleet Technology LtdCanada
Convergent Science Inc.USA
Crown EngineeringUSA
Ecotraffic ERD3 ABSweden
Emissions AnalyticsUK
Emissions Guru Inc.USA
Emissions Services Unlimited IncUSA
Emissol LLCUSA
Emisstar LLCUSA
Engine, Fuel, and Emissions Engineering, Inc.USA
EngSim CorporationUSA
Environex Inc.USA
Excel EngineeringUSA
Exothermia SAGreece
Frazier, Barnes & AssociatesUSA
George Lester IncUSA
IAV GmbHGermany
Integer ResearchUK
Integral Powertrain Ltd.UK
Ironman Parts & ServicesUSA
LiquidPiston, Inc.USA
Lotus EngineeringUK
M.J. Bradley & AssociatesUSA
MacDonald ConsultingUSA
MARC-IV Consulting, Inc.USA
Meszler Engineering ServicesUSA
Michael P. WalshUSA
NCM Underhallsteknik ABSweden
Nisymco Inc.Canada
OceanAir Environmental, LLCUSA
Peeples Consulting Associates, Inc.USA
Power Systems ResearchUSA
Prodrive LimitedUK
R.L. Polk & Co.USA
Rhein Associates, Inc.USA
Ricardo Group plcUK
Ricardo-AEA Ltd.UK
RMH ConsultingUSA
Roush Industries Inc.USA
Sierra Engineering ServicesUSA
Southern Research InstituteUSA
Southwest Research InstituteUSA
Superior Process TechnologiesUSA
Technology and Engineering MgmUSA
Testing Ltd.UK
TTM Andreas MayerSwitzerland
Unlimited Design International, Inc.USA
Valient Automotive Market ResearchUSA
WTZ Rosslau GmbHGermany