| Bucher and Christian Consulting, Inc. IN | Professional & Technical Services | 4 | $126,880 | - |
| Bucher Hydraulics MI | Manufacturing | 0 | - | F |
| Buchholz, Harris, Levine & Brennan, P.C. CA | - | 1 | $125,000 | - |
| BUCK Design, LLC CA | Professional & Technical Services | 2 | $210,000 | - |
| Buck Global, LLC NY | Professional & Technical Services | 1 | $128,759 | - |
| Buck Institute for Research on Aging CA | Professional & Technical Services | 7 | $85,384 | - |
| Buck Knives, INC ID | Manufacturing | 0 | - | D |
| Buck Lumber & Building Supply, Inc. SC | Retail Trade | 0 | - | D |
| Buck Management, Inc. SC | Retail Trade | 0 | - | A |
| Buck Mason CA | - | 0 | - | - |
| Buck Services IL | Administrative & Waste Services | 0 | - | C |
| Buck Snort Restaurant NE | - | 0 | - | - |
| Buck Stop AZ | - | 0 | - | - |
| Buck's Shoes NE | - | 0 | - | - |
| Bucket List Experiences, LLC DBA Malibu Wine Safaris CA | - | 0 | - | - |
| Buckeye Elementary School District AZ | Educational Services | 1 | $56,140 | - |
| Buckeye Elementary School District No. 33 AZ | Educational Services | 9 | $49,342 | - |
| Buckeye Fabricating Company OH | Manufacturing | 0 | - | F |
| Buckeye Forest at Canton LLC OH | Healthcare & Social Assistance | 0 | - | - |
| Buckeye Honey Badgers, LLC OH | - | 1 | $72,800 | - |
| Buckeye Industrial Mining Company, Inc. (Evergreen Energy, Inc.) OH | - | 0 | - | - |
| Buckeye International, Inc. MO | Manufacturing | 0 | - | F |
| Buckeye Launderers and Cleaners OH | - | 0 | - | - |
| Buckeye Packaging Co., Inc. OH | Manufacturing | 0 | - | F |
| Buckeye Partners, L.P. TX | Manufacturing | 1 | $138,853 | A |
| Buckeye Ready Mix, LLC OH | Manufacturing | 0 | - | F |
| Buckeye Relief OH | Agriculture & Forestry | 0 | - | F |
| Buckeye Union School District CA | Educational Services | 2 | $58,205 | - |
| Buckhead Atlanta GA | Manufacturing | 0 | - | D |
| Buckhead Meat TX | Manufacturing | 0 | - | F |
| Buckhead Meat & Seafood of Chicago IL | Manufacturing | 0 | - | F |
| Buckhead Meat and Seafood of Central Florida FL | Manufacturing | 0 | - | F |
| Buckhead Meat and Seafood of Houston TX | Manufacturing | 0 | - | F |
| Buckhead Meat of Dallas/Sysco TX | Wholesale Trade | 0 | - | F |
| Buckhorn Café Inc. CA | - | 0 | - | - |
| Buckhorn Cafe Inc. CA | - | 0 | - | - |
| Buckhorn Children & Family Services KY | Healthcare & Social Assistance | 0 | - | D |
| Buckhorn Inc Revised (5/26/17) Revised (9/5/17) IN | - | 0 | - | - |
| Buckingham Companies IN | Construction | 0 | - | F |
| Buckle Services LLC GA | Finance & Insurance | 1 | $135,200 | - |
| Buckley Newspaper MS | - | 0 | - | - |
| Buckley Radio/Buckley Broadcasting/WOR, LLC NY | - | 0 | - | - |
| Buckman Laboratories International, Inc. TN | Professional & Technical Services | 1 | $135,335 | A |
| Buckman's Inc. PA | Manufacturing | 0 | - | F |
| Bucknell University PA | Educational Services | 7 | $107,203 | - |
| Bucyrus Community Hospital, Inc. OH | - | 0 | - | - |
| Bucyrus Hospital OH | Healthcare & Social Assistance | 0 | - | F |
| Bucyrus Hospital/Avita Health System OH | Healthcare & Social Assistance | 0 | - | F |
| Bucyrus Precision Tech Inc. OH | - | 0 | - | - |
| Bud Antle, Inc. CA | Agriculture & Forestry | 1 | $130,000 | - |