Automotive
- Central Motriz S.A. (Guatemala) Car distributor
- Hyundai Motor Argentina S.A. (Argentina) Import and sales of Hyundai Automobiles
- Import Motors Inc. (U.S.) (dba BMW Concord / MINI of Concord) Franchised car dealerships
- Import Motors II, Inc. (U.S.) (dba Audi Concord) Franchised car dealership
- Intercontinental Comércio de Veículos S.A. (Brazil) Franchised Audi automobile dealership
- Marin Sunwise Motors, Inc. (U.S.) Franchised Subaru automobile dealership
- Mill Valley Motors, Inc. (U.S.) (dba BMW of San Rafael) Franchised car dealership
- Socafi, S.A. de C.V. (Mexico) Automobile self-financing
- Sojitz Automotive Group, Inc. (U.S.A.) Franchised BMW/MINI and Audi automobile dealership
- Sojitz de Puerto Rico Corporation (Puerto Rico) Import and sales of Hyundai automobiles in Puerto Rico and U.S. Virgin Islands
- Stratosphere Quality, LLC. (U.S., Mexico, Canada) Quality assurance-related services
- Top Car Veiculos S.A. (Brazil) Franchised BMW/MINI automobile dealerships
- Weatherford Motors Inc. (U.S.) Car dealership
Aerospace & Transportation
- Cad Railway Industries Limited (Canada) General repair and remanufacturing of railway rolling stock
- Caltrax Inc. (Canada) Full service railcar repair
- Phenix Jet International, LLC Business jet operation support
- Sojitz Aerospace America Corporation (U.S.) Sale of aerospace related equipment, components, and materials.
- Southwest Rail Industries (SRI) (U.S) Railcar leasing and management mainly in chemical, oil & gas, and agricultural sectors.
Infrastructure & Healthcare
- AES Merida III S. de R.L. de C.V. (Mexico) Power generation
- McClure Company (U.S.) Mechanical Contracting & Energy Services
- Sojitz Birdsboro LLC (U.S.) Gas-fired power plant
- Sojitz Energy Services LLC (U.S.) Energy Service Company
- Sojitz Energy Venture, Inc. (U.S.) Gas and oil interests
- Sojitz Kleen LLC (U.S.) Gas-fired power plant
Metals, Mineral Resources, and Recycling
- Cariboo Copper Corporation (Canada) Investment (12.5%) in Gibraltar copper molybdenum mine
- Metal One Holdings America Inc. (U.S.) Steel related business
- Trans World Prospect Corporation (U.S.) Investment in bentonite mining operation
Chemicals
- American Biaxis, Inc. (Canada) Manufacture of biaxially-oriented polyamide (BOPA) film
- Cymetech Corporation (U.S.) Manufacture and sale of dicyclopentadiene (DCPD)
- Metton America, Inc. (U.S.) Manufacture and sale of Metton resins
- Sojitz Plastics America Inc. (U.S.) Sales of nylon film, other films and plastics resins