| 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 | — |
| worchel transport dba prime transport NY | Transportation & Warehousing | 0 | — | A |
| Word & Brown Insurance Administrators, Inc. CA | Finance & Insurance | 1 | $183,121 | — |
| Word And Deed Logistics MI | Transportation & Warehousing | 0 | — | A |
| Word Machinery AR | Manufacturing | 0 | — | A |
| Worden Fire Protection District IL | Public Administration | 0 | — | A |
| Worden Martin Buick GMC and Subaru of Champaign County IL | — | 0 | — | — |
| WordStream MA | — | 0 | — | — |
| Work Market, Inc. NJ | Information & Media | 1 | $132,585 | — |
| Work Now Hawaii HI | Administrative & Waste Services | 0 | — | A |
| Work Realty Advisors, Inc. CA | Real Estate | 1 | $69,368 | — |
| Work Service Corporation TX | Accommodation & Food Services | 0 | — | A |
| Work Services Corporation OK | Administrative & Waste Services | 0 | — | A |
| Work Services Corporation TX | Accommodation & Food Services | 0 | — | C |
| Work Sharp OR | Manufacturing | 0 | — | F |
| Work Skills Corporation MI | Healthcare & Social Assistance | 0 | — | F |
| Work Training Center Inc. CA | Healthcare & Social Assistance | 0 | — | A |
| Work Unlimited OR | Healthcare & Social Assistance | 0 | — | F |
| Work Zone Safety Inc IL | Construction | 0 | — | F |
| Work, Community, Independence, Inc MA | Healthcare & Social Assistance | 0 | — | F |
| WorkandCo International, Inc. NY | Professional & Technical Services | 1 | $110,000 | — |
| Workato Inc. CA | Information & Media | 11 | $136,938 | — |
| WorkCo International LLC DE | Professional & Technical Services | 1 | $189,509 | — |