sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| Base Operations and Support Contract | **** |
| Books on Special Children | *** |
| Base Operating Support Contractor | *** |
| Base Operations Support Contract | ** |
| Business of Safety Committee | ** |
| Brooklyn Outreach for Science Careers | * |
| Benevolent Order of Scottish Clans | * |
| Bluewater Otters Swim Club | * |
| Barrington Open Space Coalition | * |
| Ballard Open Space Committee | * |
| Beausejour Otters Swim Club | * |
| Behavior of Offshore Structures Conference | * |
| Bina Online Software Catalogue | * |
| Board of Scientific Counselors | * |