WVO Designs
- Bio Tuning
- Biofuels America Inc.
- BioFuels Technologies
- Biomotors
- Dieselveg
- Duda Diesel
- ECO Fuel Systems, Inc.
- Elsbett
- Fattywagons
- Full Circle Fuels
- Golden Fuel Systems
- Greasecar
- Greaseworks
- Kenneke
- Lovecraft
- Mercedes Source
- Organic Mechanic
- PlantDrive
- Rover Hybrids
- Veg Powered Systems
- Vegetable Oil Diesel
- Veggie Power
- VegieCar
- VeggieGarage
- VegPower
- VO Tech
- WVO Designs
Dual Tank Kits
- Diesel Oil Conversions
- PlantDrive
- Rover Hybrids
- Veg Rev
- Vegenergy
- Greasecar
- Golden Fuel Systems
- Vegpower
- Enviofuel
- BioFuels Technologies
- Fossil Free Fuel LLC
- Greendiesels
- Crude Country Biofuels Inc.
- ATG Autozubehoer-Technik Gloett GmbH
- Elsbett Holland
- Diesel-Veg
- Smart-Veg
- Veg Powered Systems
- VeggieGarage
- Grease Station
- Vegetable Oil Diesel
- Bio Tuning
- Vegetable Oil Fuel Systems
- Vegiecar
- Greaseworks
- VegHead Conversions
Single Tank Kits
- Diesel Oil Conversions
- LoveCraft
- Plant Drive
- Golden Fuel Systems
- Elsbett Technologies – Germany
- Diesel Veg
- Mercedes Source
- Vegie Cars – Australia
