Respirometry Research Distributors
- USA: Harvard, Cole-Parmer
- France: Fisher-Scientific
- Japan: CT and C
- China: Shanghai Bester
- Korea: IWOO Scientific
- Taiwan: Sunpoint
Wastewater Treatment Distributors
- USA: LAR LLC
- China: Shanghai Bester
- Japan: Central Kagaku Corporation
- Korea: SBE&E
- Belgium: Ankersmid M&C
- Netherlands: Qsenz B.V
- Taiwan: Today Water Equipment Co