- OMNIPROMET
Afghanistan
- OMORI MATERIKUSU KK
Japan
- OKUDA KANAMONO HONTEN KK
Japan
- OLSEN & CO. APS
Denmark
- OISEI CHUZOSHO KK
Japan
- OLMAN HANDELMAATSCHAPPIJ
Netherlands
- OK INTERNATIONAL TRADE CORP
United States
- ODA KOGYO KK
Japan
- OCEAN LEADER INTERNATIONAL LIMITED
Hongkong
- OCEAN SKY
United States
- OCEAN MARINE SUPPLY LTD.
Hongkong
- OB ENTERPRISE
Ghana
- O.B.S. MARINE, LTD.
Bahamas
- NUMBER ONE BAGS CHICAGO INC
United States
- O S I TOOLS CO LTD
Japan
- ROYAL COMPANY
Palestine
- OMT TECHNOLOGIES INC
Canada
- PERMECA STAALBOUW BV
Netherlands