| Abbreviation | Definition |
|---|---|
| AQC | Accredited Quality Contractors |
| ARC | American Restoration Contractors |
| ARCA | Arizona Roofing Contractors Association |
| AROC | Arizona Registrar of Contractors |
| ASCA | Accredited Snow Contractors Association |
| ASUC | Association of Specialist Underpinning Contractors |
| ASWP | Arborist Safe Work Practices |
| AUCA | Alabama Utility Contractors Association |
| AWC | Aimbuilder Waterproofing Company |
| AWC | Association of Women Contractors |
| B2F | B2F (business-to-freelancer), is the exchange of products, services or information between business |
| BAU | Built Up Area |
| BBCA | Big Bend Contractors Association |
| BCA | Building Contractors Association |
| BCB | Better Contractors Bureau |
| BCRC | Benefits Coordination Recovery Contractor |
| BECONS | Balaji Engineering Consultants |
| BFSC | Bona Fide Sub Contractors |
| BHCA | Behavioral Health Contractors Association |
| BIECA | Building Industry Electrical Contractors Association |