| BIRKEY'S FARM STORE, INC. IN | Wholesale Trade | 0 | — | A |
| Birkhead Heating & Air Conditioning Co Inc KY | Construction | 0 | — | F |
| Birkwood Village of Fort Madison IA | Healthcare & Social Assistance | 0 | — | F |
| BIRKWOOD VILLAGE OF TAMA TOLED - 01 | 308 2ND AVE IA | Healthcare & Social Assistance | 0 | — | A |
| Birla Carbon LA | Manufacturing | 0 | — | A |
| Birla Carbon U.S.A., Inc. GA | Manufacturing | 1 | $130,000 | A |
| Birla Carbon USA KS | Manufacturing | 0 | — | C |
| Birlasoft Computer Corporation NJ | Professional & Technical Services | 11 | $124,100 | — |
| Birlasoft Consulting, Inc. NJ | Professional & Technical Services | 10 | $122,595 | — |
| Birlasoft Inc NJ | Professional & Technical Services | 62 | $101,572 | — |
| Birlasoft Solutions, Inc. NJ | Professional & Technical Services | 56 | $118,736 | — |
| Birmingham & Associates, Inc. AL | Construction | 0 | — | A |
| Birmingham Electrical Contractors, Inc. AL | Construction | 0 | — | A |
| Birmingham Fastener & Supply, Inc. AL | Manufacturing | 0 | — | F |
| Birmingham Health Center CT | — | 0 | — | — |
| Birmingham Heart Clinic AL | Healthcare & Social Assistance | 0 | — | A |
| Birmingham Hot Metal Coatings AL | Manufacturing | 0 | — | F |
| Birmingham Jeffeson Convention Complex AL | — | 0 | — | — |
| BIRMINGHAM LOGISTICS (BELLE FOODS) AL | — | 0 | — | — |
| BIRMINGHAM LOGISTICS (ROUSE'S ENTERPRISES) AL | — | 0 | — | — |
| Birmingham Nursing and Rehabilitation Center AL | Healthcare & Social Assistance | 0 | — | F |
| Birmingham Parking Authority AL | — | 0 | — | — |
| Birmingham Rail & Locomotive AL | Manufacturing | 0 | — | F |
| Birmingham Sealcoat Inc. MI | Construction | 0 | — | A |
| Birmingham Shuttlesworth Airport AL | — | 0 | — | — |
| BIRMINGHAM SOUTHERN RAILROAD COMPANY AL | — | 0 | — | — |
| Birmingham-Southern College AL | — | 0 | — | — |
| Birmingham-Toledo, Inc. AL | Other Services | 0 | — | A |
| Birner Kansas KS | Construction | 0 | — | A |
| BIRNIE BUS SERVICE, INC NY | Transportation & Warehousing | 0 | — | B |
| BIRNIE MANAGEMENT COMPANY, INC. NY | Management of Companies | 0 | — | A |
| BIRNIE TRANSIT INC. NY | Transportation & Warehousing | 0 | — | A |
| BIRNS Oceanographics, Inc. CA | Manufacturing | 0 | — | A |
| Birns.Inc CA | Manufacturing | 0 | — | A |
| Biro Manufacturing Company OH | Manufacturing | 0 | — | F |
| Birome Gin Co., Inc. TX | Agriculture & Forestry | 0 | — | D |
| Birote Corporation dba El Mitote NY | — | 0 | — | — |
| Birstol Myers Squibb NJ | — | 0 | — | — |
| Birth of the Cool, LLC dba Eleven Madison Park NY | — | 0 | — | — |
| Birth Tissue Donor Services of Tennessee, Inc. TN | Healthcare & Social Assistance | 0 | — | F |
| BirthBase, LLC ID | Information & Media | 1 | $90,064 | — |
| Birtley Industrial Equipment Corp. KY | Manufacturing | 0 | — | F |
| BISCAYNE CONSTRUCTION COMPANY, INC. FL | Construction | 0 | — | A |
| Biscayne Contractors, Inc. VA | Construction | 0 | — | A |
| BISCAYNE HOMES, LLC FL | Construction | 0 | — | A |
| BISCHOFF AEROSPACE INC FL | Manufacturing | 0 | — | F |
| Bisco, Inc. IL | Manufacturing | 0 | — | C |
| Bisconti Farms, Inc PA | Agriculture & Forestry | 0 | — | F |
| Biscotti Brothers Bakery PA | Manufacturing | 0 | — | B |
| Biscuits & Bath (13 NYC locations) NY | — | 0 | — | — |