| XXL Enterprises Inc. dba: McKenzie Taylor Construction OR | Construction | 0 | — | A |
| Xylem AR | Manufacturing | 0 | — | D |
| Xylem NC | Professional & Technical Services | 0 | — | A |
| Xylem NY | Manufacturing | 0 | — | F |
| Xylem OH | Manufacturing | 0 | — | A |
| Xylem Dewatering Solutions, Inc. NJ | Manufacturing | 0 | — | A |
| Xylem Inc. (Global Financial Shared Services Department) NY | — | 0 | — | — |
| Xylem Services USA, LLC MA | — | 0 | — | — |
| Xylem Vue Inc. IN | Professional & Technical Services | 2 | $142,000 | — |
| Xylem Water Solutions Zelienople LLC PA | Utilities | 1 | $135,000 | — |
| Xylem, Inc. IL | Manufacturing | 0 | — | D |
| Xylem, Inc. TX | — | 0 | — | — |
| Xylem, Inc. WI | — | 0 | — | — |
| XYLO CONSULTING LLC NJ | Professional & Technical Services | 31 | $108,644 | — |
| Xymid VA | Manufacturing | 0 | — | F |
| Xymox Technologies WI | Manufacturing | 0 | — | A |
| Xyntek Incorporated PA | Professional & Technical Services | 1 | $120,000 | — |
| XYPRO Technology Corporation CA | Information & Media | 1 | $84,500 | — |
| Xyram Software Solutions LLC MD | Professional & Technical Services | 1 | $120,000 | — |
| Xyratex International Inc CA | — | 0 | — | — |
| XZ Electric Vehicles LLC TX | Manufacturing | 2 | $60,000 | — |
| Y & T Woodcraft, Inc. OH | Manufacturing | 0 | — | A |
| Y Combinator Management, LLC CA | Finance & Insurance | 2 | $257,000 | — |
| Y Four By RSR LLC (DBA Four at YOTEL New York) (FOUR, DohYo and Terrace restaurants) NY | — | 0 | — | — |
| Y&H TRUCKING LLC TX | Transportation & Warehousing | 0 | — | A |
| Y&T Plumbing FL | Construction | 0 | — | A |
| Y&Y HoldingsLLC, dba Agility Marketing Group and Agility Business Process Solutions PA | — | 0 | — | — |
| Y-AXIS, INC. NJ | Professional & Technical Services | 1 | $110,000 | — |
| Y-Prime, LLC PA | Professional & Technical Services | 3 | $158,358 | — |
| Y-tec Keylex Toyotetsu Alabama (YKTA) AL | Manufacturing | 0 | — | F |
| Y-Tech Services Inc VA | Professional & Technical Services | 0 | — | A |
| Y-Tech Services, Inc. MT | Professional & Technical Services | 0 | — | A |
| Y-Tech Services, Inc. OH | Professional & Technical Services | 0 | — | A |
| Y-Tech Services, Inc. SD | Professional & Technical Services | 0 | — | A |
| Y-Tech Services, Inc. WY | Professional & Technical Services | 0 | — | A |
| Y-Tex Corporation WY | Manufacturing | 0 | — | D |
| Y. Aoki Inc CA | Agriculture & Forestry | 0 | — | A |
| Y. Hata & Co. Limited HI | Wholesale Trade | 0 | — | F |
| Y. Hata & Company HI | Wholesale Trade | 0 | — | C |
| Y. Liu Optometric Corporation CA | Healthcare & Social Assistance | 1 | $135,200 | — |
| Y.A.P.A Apartment Living Inc PA | Healthcare & Social Assistance | 1 | $55,000 | — |
| Y.B.Welding Inc PA | Manufacturing | 0 | — | F |
| Y2 Design & Build OH | Construction | 0 | — | A |
| YA Employee Services, LLC MO | Administrative & Waste Services | 1 | $104,000 | — |
| YA Engineering Services, LLC MO | Professional & Technical Services | 3 | $138,755 | — |
| Yabei Inc. NY | Retail Trade | 1 | $86,000 | — |
| Yaboo Fence Co Inc NY | Construction | 0 | — | F |
| Yachiyo Manufacturing of AmericA LLC GA | Manufacturing | 0 | — | F |
| YACHT CLUB POWERSPORTS MO | Retail Trade | 0 | — | A |
| YACHT REPAIRS & MAINTENANCE, LLC FL | Manufacturing | 0 | — | F |