| C.E. Floyd Company MA | Construction | 0 | — | F |
| C.E. Floyd Company PBC MA | Construction | 1 | $110,000 | — |
| C.E. PRECISION ASSEMBLIES, INC. AZ | Manufacturing | 0 | — | A |
| C.E. Shepherd, L.P. TX | Manufacturing | 0 | — | F |
| C.E. Zuercher & Co., Inc. IL | Wholesale Trade | 0 | — | B |
| C.E.F.S. Economic Opportunity Corporation IL | Healthcare & Social Assistance | 0 | — | D |
| C.E.Floyd Company PBC MA | Construction | 1 | $110,000 | — |
| C.F. BURGER CREAMERY CO. MI | Manufacturing | 0 | — | D |
| C.F. Maier Composites, Inc. CO | Manufacturing | 0 | — | F |
| C.F. Martin & Co., Inc. PA | Manufacturing | 0 | — | D |
| C.F. Martin & Company, Inc - 3 locations PA | — | 0 | — | — |
| C.G. Bretting Manufacturing Co. Inc. WI | Manufacturing | 0 | — | F |
| C.G. Electric, Inc. MA | Construction | 0 | — | A |
| C.G. Hill & Sons, Inc. MN | Manufacturing | 0 | — | A |
| C.G. LABORATORIES, INC. TX | Manufacturing | 0 | — | F |
| C.G. Mechanical, Inc. MA | Construction | 0 | — | A |
| C.G.R. CONSTRUCTION CO. INC. FL | Construction | 0 | — | F |
| C.H. Bradshaw Company OH | Manufacturing | 0 | — | F |
| C.H. Briggs PA | — | 0 | — | — |
| C.H. Guenther & Son D.B.A Cookietree Bakeries UT | Manufacturing | 0 | — | C |
| C.H. Guenther & Son LLC MN | Manufacturing | 0 | — | F |
| C.H. Nickerson & Co., Inc. CT | Construction | 0 | — | F |
| C.H. Robinson Company, Inc. CA | Transportation & Warehousing | 0 | — | A |
| C.H. Robinson Company, Inc. FL | Transportation & Warehousing | 0 | — | A |
| C.H. Robinson International, Inc. IL | Transportation & Warehousing | 0 | — | B |
| C.H. Robinson Worldwide, Inc. MN | Professional & Technical Services | 7 | $140,932 | — |
| C.H. SCHWERTNER AND SON INC PA | Construction | 0 | — | C |
| C.H.D.S. INC. dba Curtis Drilling Co. CA | Construction | 0 | — | A |
| C.I. Banker Wire & Iron Works Inc. WI | Manufacturing | 0 | — | F |
| C.J. Erickson Plumbing Co. IL | Construction | 0 | — | F |
| C.J. Mahan Construction Company, LLC AR | Construction | 0 | — | A |
| C.J. Mahan Construction Company, LLC IL | Construction | 0 | — | A |
| C.J. Mahan Construction Company, LLC KY | Construction | 0 | — | A |
| C.J. Mahan Construction Company, LLC OH | Construction | 0 | — | A |
| C.J. Mahan Construction Company, LLC WY | Construction | 0 | — | A |
| C.J. Maintenance, Inc. MD | Administrative & Waste Services | 0 | — | A |
| C.J. Moyna & Sons, LLC IA | Construction | 0 | — | D |
| C.J. Mushroom Co., LLC PA | Agriculture & Forestry | 0 | — | D |
| C.K. Masonry Co., Inc TN | Construction | 0 | — | F |
| C.L. Dews Foundry and Steel Shop MS | Manufacturing | 0 | — | F |
| C.L. Linfoot Co ND | Construction | 0 | — | D |
| C.L.Y Inc. CA | Construction | 0 | — | F |
| C.M. Brown Nurseries OH | Agriculture & Forestry | 0 | — | A |
| C.M. Noble Corporation VA | Construction | 0 | — | A |
| C.M. Richey Electrical Contractors Inc NY | Construction | 0 | — | F |
| C.M. TUCKER LUMBER COMPANIES, LLC NC | Manufacturing | 0 | — | F |
| C.M. TUCKER LUMBER COMPANIES, LLC SC | Manufacturing | 0 | — | D |
| C.M.A. Growers, Inc. CA | Agriculture & Forestry | 0 | — | F |
| C.N. Renovation Co. Inc. DBA CNR Group NJ | Construction | 0 | — | A |
| C.N. Wood MA | Manufacturing | 0 | — | F |
