DM2US current and past clients include:
- Siemens Transportation
- Stadler US, Inc
- Hitachi Rail
- Alstom Transportation
- Brookville Equipment Corporation
- CAD Railway Industries
- Kiepe Electric
- Higher Power Industries
- Forest River
- Talgo
- Bombardier Transportation
- CAF USA
- Kinkisharyo
- New Flyer of America
- Gillig
- Nova Bus
- Lightning eMotors
- Oceaneering Entertainment Systems
- Endera Automotive
- Prevost Car
- Arrival Automotive
- BYD Coach & Bus
- Alexander Dennis
- Van Hool
- Diamond Coach Corp.
- Matthews Specialty Vehicles
- Arboc Specialty Vehicles
- Midwest Bus Corporation
- Complete Coach Works
- Ilderton Conversion Company
- ARVA Industries
- Driverge Vehicle Innovations
- MobilityTRANS
- Green Power Motor Company
- Coach & Equipment
- Hornblower
- Vigor
- Gulf Craft
- Karsan Automotive
- Hyundai Rotem
- Long Beach Transit (Long Beach, CA)
- San Francisco Bay Area Rapid Transit (“BART”)
- King County Metro
- Sound Transit (Seattle, WA)
- LYNX (Orlando, FL)
- Amsted Rail
- Compin Fainsa
- Dellner
- Faiveley Transport North America
- Freedman Seating
- Hoppecke
- Knorr Brake Corp
- Luminator Technology Group
- Mitsubishi Electric
- Quester Tangent
- Saft America
- Traction Systems, Inc.
- Voith
- ABB
- Bonatrans
- Elemaster Group
- Frauscher Sensor Technology
- Hasler Rail
- IGW
- Koni – ITT
- Milwaukee Composites
- Moxa, Inc.
- Pixy AG
- Radio Engineering Industries
- Schaltbau Bode North America
- Teleste Corp
- Turbo Images
- VDS Rail
- Wabtec
- Almaviva SpA
- Carlisle Construction Materials
- ekidegroup
- Glas Trösch AG Zweigniederlassung Rail
- ISC Applied Systems
- Knorr-Bremse Powertech
- Motiv Power Systems
- Pareto Aluminum Systems
- RenewAire
- Thermo King
- Valeo Thermal Systems
- BAE Systems
- Dafo US
- Forsee Power
- Hobart Electronics
- J-W Power Company
- Lucchini North America
- NEU Inc.
- Plas-Tech
- r2p
- Schunk Carbon Technology
- Thales Canada
- Westermo
- Škoda Electric a.s.
- AROW Global
- Satys Interiors
- Beclawat
- ST Engineering
- Commodore Builders
- era-contact USA
- Kaufman Lynn Construction
- Stornetic
- Dilax Systems
- Flachgras Wernberg
- Huber + Suhner
- Kessler & Co
- Medcom Sp. z o.o.
- PrōVen Management
- Scalabros
- Exro Technologies
- iris Inc.
- Sunrise SESA Technologies, Inc.
- Global Display Solutions
- NPROXX
- Unirac
- Flo
- Lin Industries
- RL Controls
- Sti-Co Industries
- Elhand Group
- IDIS Americas
- LS Electric
- Ultimate Europe
- ATM-PKC Group / Motherson
- Grayson Thermal Systems
- Trans/Air Mfg.
- Brugg eConnect
- Igus, Inc.
- Nuvera Fuel Cells
- CDM Smith
- CEC Group
