| 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.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. 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 | 1 | $100,000 | - |
| C1X, Inc. CA | Information & Media | 1 | $130,894 | - |
| C2 Educational Systems, Inc. GA | Educational Services | 3 | $57,217 | - |
| 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 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 | 8 | $119,674 | - |
| 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 | - |
| 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 | 5 | $97,300 | - |
| C4Workx LLC TX | Professional & Technical Services | 2 | $172,000 | - |
| CA MI | Manufacturing | 0 | - | F |
| CA Concessions of Colorado CO | - | 0 | - | - |
| CA Consulting LLC IL | Finance & Insurance | 1 | $90,000 | - |
| CA Department of Water Resources CA | Public Administration | 0 | - | B |
| CA Family Wealth CA | Finance & Insurance | 1 | $120,000 | - |
| CA Fan Tuan INC. CA | Transportation & Warehousing | 1 | $66,000 | - |
| CA Public Employees Retirement System CA | Public Administration | 0 | - | F |
| CA Senior Management LLC CT | Healthcare & Social Assistance | 0 | - | F |
| CA Senior Management LLC KS | Healthcare & Social Assistance | 0 | - | F |
| CA Senior Management LLC MI | Healthcare & Social Assistance | 0 | - | F |
