| A. Stucki Company OH | Manufacturing | 0 | — | D |
| A. Stucki Company PA | Manufacturing | 0 | — | F |
| A. Stucki Company TX | Manufacturing | 0 | — | A |
| A. Stucki Company VA | Manufacturing | 0 | — | A |
| A. T. Still University of Health Sciences MO | Educational Services | 7 | $99,662 | — |
| A. Teichert & Son, Inc. CA | Construction | 0 | — | A |
| A. W. Farrell & Son, Inc. NV | Construction | 0 | — | A |
| A. W. Farrell & Son, Inc. NY | Construction | 0 | — | F |
| A. W. Farrell & Son, Inc. PA | Construction | 0 | — | A |
| A. Z. SHMINA, INC. MI | Construction | 0 | — | A |
| A. Zahner Co TX | Manufacturing | 0 | — | A |
| A. Zahner Company MO | Manufacturing | 1 | $75,000 | D |
| A.A. PAINT & CUSTOM FINISHES, INC. CA | Construction | 0 | — | A |
| A.A.T. Restoration Group, Inc. FL | Construction | 0 | — | A |
| A.B. Electrical Wires, Inc. MI | Manufacturing | 0 | — | A |
| A.B. Excavating Inc. NH | Construction | 0 | — | F |
| A.B. May Company MO | Construction | 0 | — | F |
| A.B. Munroe Dairy, Inc. RI | Manufacturing | 0 | — | F |
| A.B.C. Carpet Co., Inc./A.B.C. Oriental Carpets, Inc NY | — | 0 | — | — |
| A.C. Enterprises CA | Construction | 0 | — | F |
| A.C. Klopf, Inc. MI | Construction | 0 | — | A |
| A.C. Legg, Inc. AL | Manufacturing | 0 | — | D |
| A.C. Miller Concrete Products, Inc. PA | Manufacturing | 0 | — | F |
| A.C. Moore (Bethpage) NY | — | 0 | — | — |
| A.C. Moore (Blasdell) NY | — | 0 | — | — |
| A.C. Moore (Nanuet) NY | — | 0 | — | — |
| A.C. Moore Arts & Crafts MD | — | 0 | — | — |
| A.C. SCOTT ELECTRIC CO. INC. NJ | Construction | 0 | — | F |
| A.C. Vroman, Inc. dba Vroman's Bookstore and Book Soup CA | — | 0 | — | — |
| A.C.E. Building Service WI | Construction | 0 | — | F |
| A.C.T. Cooling Towers, Inc. TX | Construction | 0 | — | A |
| A.D. BOWMAN & SON LUMBER CO., INC. NY | Manufacturing | 0 | — | F |
| A.D. Incorporated of Milwaukee WI | Transportation & Warehousing | 0 | — | D |
| A.D. Susman & Associates Inc TX | Administrative & Waste Services | 1 | $110,261 | — |
| a.d. winston Corp NY | Construction | 0 | — | F |
| a.d. winston Service, Inc. NY | Construction | 0 | — | F |
| A.D.E. Systems Inc. NY | Wholesale Trade | 1 | $81,432 | — |
| A.E. Phillips and Son, Inc. MD | Manufacturing | 0 | — | A |
| A.E. Steel Erectors Inc. OH | Construction | 0 | — | A |
| A.F. Evans Company CA | — | 0 | — | — |
| A.F. Smith Electric, Inc. MI | Construction | 0 | — | C |
| A.F.L. Quality, Inc. NJ | — | 0 | — | — |
| A.G. & G. Inc./ Vieste Rosa RI | Manufacturing | 0 | — | A |
| A.G. Davi Ltd. CA | Real Estate | 0 | — | A |
| A.G. Rhodes - Cobb Inc. GA | Healthcare & Social Assistance | 0 | — | F |
| A.G. Rhodes Home - Cobb, Inc. GA | Healthcare & Social Assistance | 1 | $79,186 | — |
| A.G. Rhodes-Atlanta, Inc. GA | Healthcare & Social Assistance | 0 | — | F |
| A.G. Simpson (USA), Inc. MI | Manufacturing | 1 | $116,000 | C |
| A.G. Van Metre Services VA | Construction | 0 | — | F |
| A.G.E Construction LLC. TX | Construction | 0 | — | A |