PolandOBR PR S.A.
ChinaOUYA biological company
South AfricaOB Warehouse
ColombiaOpcion Pharmaceutica S.A.SChinaOasis Sweeteners Co., Ltd
GreeceOverseas Trading CompanyChinaOstrosky Chem Co,.Ltd
United StatesOak Crest Institute of Science
Indiaorchis industriesIndiaOxygen bioresearch
TurkeyOrkim IncIndiaOMKAR HERBALS
UkraineONU ChemsynlabIndiaOrdnance Factory VarangaonTurkeyOerlikon Kaynak Elektrodlar? ve San. A.S.United StatesOhio PC
Hong kongOff The Edge Ltd.
MalaysiaOlin Chemicals Sdn BhdIndiaorenhydrocarbon pvt ltd
Bulgariaomanand ltdIndiaOrchid Research Lab Ltd
Ivory CoastOla Gold Miners
CanadaOxy Blast International
SpainObiol Fireworks Co.Ltd
PhilippinesOmnipack Industrial Corporation 
KoreaOptimumenergy Co.,LtdIndiaoren hydrocarbons pvt ltd
EgyptOBD CHEMEgyptOBD CHEM
Finlandoy ff-chemicals ab