| C.E. Floyd Company PBC MA | Construction | 1 | $110,000 | - |
| C.E.Floyd Company PBC MA | Construction | 1 | $110,000 | - |
| C.F. Martin & Co., Inc. PA | Manufacturing | 0 | - | D |
| C.F. Martin & Company, Inc - 3 locations PA | - | 0 | - | - |
| 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 Worldwide, Inc. MN | Professional & Technical Services | 7 | $140,932 | - |
| C.H. Robinson Worldwide, Inc. MN | - | 5 | $153,550 | - |
| C.I. Banker Wire & Iron Works Inc. WI | Manufacturing | 0 | - | F |
| C.L. Dews Foundry and Steel Shop MS | Manufacturing | 0 | - | F |
| C.O. Florida LLC FL | Transportation & Warehousing | 0 | - | - |
| C.P. Food Products, Inc. MD | - | 1 | $103,186 | - |
| C.P. Yeatman & Sons, Inc. PA | Agriculture & Forestry | 0 | - | D |
| C.R. England, Inc. CA | - | 0 | - | - |
| C.R. Metal Products, Inc. MO | - | 0 | - | - |
| C.S. Wo & Sons, LLC. HI | Retail Trade | 0 | - | D |
| C.T. Mac, Inc. CA | - | 0 | - | - |
| C.W. Matthews Contracting CO., INC. GA | Construction | 1 | $86,850 | - |
| C.W. Roberts Contracting, Inc. FL | Construction | 0 | - | D |
| C16 Biosciences, Inc. NY | Professional & Technical Services | 1 | $86,632 | - |
| C1st Technologies LLC CO | Professional & Technical Services | 2 | $87,000 | - |
| C1X, Inc. CA | Information & Media | 1 | $130,894 | - |
| C2 Educational Systems, Inc. GA | Educational Services | 5 | $65,936 | - |
| C2 Technologies AZ | - | 0 | - | - |
| C2 Technologies FL | - | 0 | - | - |
| C2 Technologies GA | - | 0 | - | - |
| C2 Technologies MD | - | 0 | - | - |
| C2 Technologies NC | - | 0 | - | - |
| C2 Technologies NV | - | 0 | - | - |
| C2 Technologies VA | - | 0 | - | - |
| C2 Technologies WA | - | 0 | - | - |
| C2A Global IT Solutions LLC TX | - | 1 | $97,500 | - |
| C2A Global IT SolutionsLLC TX | Professional & Technical Services | 2 | $76,347 | - |
| C2c Advanced System CORP. NY | Professional & Technical Services | 2 | $91,270 | - |
| C2F Employment, Inc. CA | Agriculture & Forestry | 0 | - | F |
| C2S Technologies, Inc. WA | Professional & Technical Services | 12 | $101,806 | - |
| C3 Concrete Surface Inc. CA | - | 0 | - | - |
| C3 Construction CA | Construction | 0 | - | F |
| C3 Industries, Inc MI | Agriculture & Forestry | 0 | - | A |
| C3.ai, Inc. CA | Information & Media | 14 | $175,544 | - |
| C3.ai, Inc. CA | - | 10 | $194,250 | - |
| C3i NJ | - | 0 | - | - |
| C3i PA | - | 0 | - | - |
| C4 Welding, Inc. MN | Manufacturing | 0 | - | F |
| C4G Enterprises Inc. VA | Professional & Technical Services | 1 | $78,000 | - |
| C4i Technologies Inc. TX | Professional & Technical Services | 18 | $102,000 | - |
| C4Workx LLC TX | Professional & Technical Services | 2 | $172,000 | - |
| CA MI | Manufacturing | 0 | - | F |