Organizations
- OBS Bandy Club, an American bandy club
- OBS Logistics, an ERP/Logistics Software Development Company located in the United Kingdom
- Office of Boating Safety, the division of Transport Canada responsible for boating safety
- Optus Broadband Satellite, an Internet service provider in Australia
- Orange Belt Stages, a bus company based in California
- Orange Business Services, a worldwide business communications company
- Coop Obs!, a chain of hypermarkets in Norway, formerly known as Obs
- Outward Bound School
- Outward Bound Singapore, part of the network of Outward Bound centres
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