| Woodward Inc. MI | Manufacturing | 0 | — | A |
| Woodward Inc. PA | Manufacturing | 0 | — | F |
| Woodward Iodine Corp. OK | Manufacturing | 0 | — | A |
| Woodward MPC IL | Manufacturing | 0 | — | B |
| Woodward Park City UT | Accommodation & Food Services | 0 | — | F |
| Woodward West CA | — | 0 | — | — |
| Woodward, Inc. IL | Manufacturing | 0 | — | D |
| Woodwell Climate Research Center, Inc. MA | Professional & Technical Services | 2 | $70,550 | — |
| Woodwork Mfg. & Supply, Inc. KS | Manufacturing | 0 | — | F |
| Woodworks Construction Co., Inc. NY | Construction | 0 | — | F |
| Woodworth Inc. MI | Manufacturing | 0 | — | F |
| Woodwright Hardwood Floor Co. Inc. TX | Manufacturing | 0 | — | D |
| Woody Butts, Inc. TX | Manufacturing | 0 | — | F |
| Woody's Liquor MN | — | 0 | — | — |
| WOODYS REBAR CO INC MN | Construction | 0 | — | F |
| Woolace Electric Corp. OH | Construction | 0 | — | A |
| WOOLAM GIN TX | Agriculture & Forestry | 0 | — | A |
| Wooldridge Place Nursing Center TX | Healthcare & Social Assistance | 0 | — | A |
| Woolems, Inc FL | Construction | 0 | — | A |
| Woolf Aircraft Products, Inc. MI | Manufacturing | 0 | — | F |
| Woolly Labs, Inc. WA | Professional & Technical Services | 1 | $150,000 | — |
| Woolpert, Inc. CO | Professional & Technical Services | 0 | — | A |
| Woolpert, Inc. GA | Professional & Technical Services | 0 | — | F |
| Woolpert, Inc. IL | Professional & Technical Services | 0 | — | A |
| Woolpert, Inc. IN | Professional & Technical Services | 0 | — | A |
| Woolpert, Inc. NC | Professional & Technical Services | 0 | — | A |
| Woolpert, Inc. OH | Professional & Technical Services | 4 | $110,131 | A |
| Woolpert, Inc. SC | Professional & Technical Services | 0 | — | A |
| Woolpert, Inc. TX | Professional & Technical Services | 0 | — | A |
| Woolpert, Inc. VA | Professional & Technical Services | 0 | — | A |
| Woolrich, Inc. PA | — | 0 | — | — |
| WOONGJIN INC CA | Professional & Technical Services | 1 | $96,720 | — |
| Wooster Elastomers OH | Manufacturing | 0 | — | A |
| Wooster Glass Company, Inc. OH | Construction | 0 | — | F |
| Wooster Motor Ways, Inc OH | Transportation & Warehousing | 0 | — | A |
| Wooster Products OH | Manufacturing | 0 | — | F |
| Woot Services LLC WA | Retail Trade | 2 | $147,300 | — |
| Wooten Machine Co., Inc. WV | Manufacturing | 0 | — | F |
| Wooten Transports, Inc. TN | Transportation & Warehousing | 0 | — | B |
| WOOTER APPAREL INC NY | Manufacturing | 2 | $80,000 | — |
| Worcester Art Museum MA | Arts & Entertainment | 0 | — | A |
| Worcester Chrome Furniture MA | Manufacturing | 0 | — | F |
| Worcester County Developmental Center MD | Healthcare & Social Assistance | 0 | — | A |
| Worcester County Welding Corp. MA | Construction | 0 | — | A |
| Worcester Creameries NY | Manufacturing | 0 | — | F |
| Worcester Eisenbrandt MD | Construction | 0 | — | F |
| Worcester Envelope MA | Manufacturing | 0 | — | F |
| Worcester Polytechnic Institute MA | Educational Services | 13 | $78,132 | — |
| Worcester Resources Inc ME | Wholesale Trade | 0 | — | F |
| Worcester State University MA | Educational Services | 2 | $75,000 | — |