| DIDarling Ingredients INC. | Butler | KY | Food Manufacturing311119 | 20-99 | ◐ LIKELY ACTIVE |
| MIMultimatic Indiana Incorporated | Butler | IN | Transportation Equipment Manufacturing336370 | 100-499 | ◐ LIKELY ACTIVE |
| BMBear Metallurgical Mfg | Butler | PA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| CLCarmeuse Lime INC | Butler | KY | Nonmetallic Mineral Product Manufacturing327410 | — | ◐ LIKELY ACTIVE |
| CCCleveland Cliffs Steel Corp/ Butler Works | Butler | PA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| NMNew Millenium Building Systems LLC | Butler | IN | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| SDSteel Dynamics Incorporated | Butler | IN | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| EIErsvin Inds. INC. Amasteel Div. | Butler | PA | Nonmetallic Mineral Product Manufacturing327910 | — | ◐ LIKELY ACTIVE |
| HMHarsco Metals - Butler | Butler | PA | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| TCTherma-tru CORP. - Butler | Butler | IN | Wood Product Manufacturing321911 | — | ◐ LIKELY ACTIVE |
| ASAk Steel Corp/butler Works | Butler | PA | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| BCBates County Redi-mix INC - Butler Plant | Butler | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| BCButler Color Press/butler | Butler | PA | Printing and Related Support Activities323111 | — | ◐ LIKELY ACTIVE |
| BTButler Technologies Inc | Butler | PA | Printing and Related Support Activities323113 | 20-99 | ◐ LIKELY ACTIVE |
| EAErvin Amasteel-Butler Plant | Butler | PA | Nonmetallic Mineral Product Manufacturing327910 | 20-99 | ◐ LIKELY ACTIVE |
| JIJanus IN | Butler | IN | Fabricated Metal Product Manufacturing332321 | 100-499 | ◐ LIKELY ACTIVE |
| MCMago Construction CO LLC - Butler Plant | Butler | KY | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
Mars Petcare US INC | Butler | MO | Food Manufacturing311111 | — | ◐ LIKELY ACTIVE |
| NMNew Millennium Building Systems, LLC. - Butler | Butler | IN | Fabricated Metal Product Manufacturing332312 | 100-499 | ◐ LIKELY ACTIVE |
| OSOesterlings Sandblasting/butler | Butler | PA | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| SGStafford Gravel Incorporated | Butler | IN | Nonmetallic Mineral Product Manufacturing327991 | — | ◐ LIKELY ACTIVE |
| UPUnited Plate Glass Company (Butler) | Butler | PA | Nonmetallic Mineral Product Manufacturing327215 | 100-499 | ◐ LIKELY ACTIVE |
| WSWestern States Envelope CO | Butler | WI | Paper Manufacturing322230 | — | ◐ LIKELY ACTIVE |
| WAWiest Asphalt Prod - Butler Facility | Butler | PA | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
| CACj Automotive Indiana LLC | Butler | IN | Fabricated Metal Product Manufacturing332216 | — | ◐ LIKELY ACTIVE |
| LLLinde Llc/butler Plt | Butler | PA | Chemical Manufacturing325120 | — | ◐ LIKELY ACTIVE |
| SSSouth Side Lumber Company INC | Butler | MO | Wood Product Manufacturing321113 | — | ◐ LIKELY ACTIVE |
| TBTransflo Butler Terminal | Butler | PA | Food Manufacturing311613 | — | ◐ LIKELY ACTIVE |
| ACAbuelito Corn Inc. | Butler | NJ | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| AIAgr International, Inc. | Butler | PA | Computer and Electronic Product Manufacturing334519 | 100-499 | ◐ LIKELY ACTIVE |
| APAir Products and Chemicals Inc.- Butler Facility | Butler | IN | Chemical Manufacturing325120 | 20-99 | ◐ LIKELY ACTIVE |
| AGAmerican Glass Research | Butler | PA | Computer and Electronic Product Manufacturing334519 | 1-19 | ◐ LIKELY ACTIVE |
| BBButler Bakery Feeds | Butler | KY | Food Manufacturing311119 | 1-19 | ◐ LIKELY ACTIVE |
| BWButler, WI Plant | Butler | WI | Food Manufacturing311611 | 100-499 | ◐ LIKELY ACTIVE |
| CMCargill Meat Solutions Corporation | Butler | WI | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| HDHansotte Dental Laboratory | Butler | PA | Miscellaneous Manufacturing339116 | — | ◐ LIKELY ACTIVE |
| HMHertzog Meat Co. South LLC | Butler | MO | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| HPHertzog Premium Beef LLC | Butler | MO | Food Manufacturing311611 | — | ◐ LIKELY ACTIVE |
| IPInternational Paper Butler | Butler | IN | Paper Manufacturing322211 | 100-499 | ◐ LIKELY ACTIVE |
| JDJohnny's Distillery, LLC | Butler | PA | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| JBJSP - Butler | Butler | PA | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| KIKenjer Industries | Butler | PA | Transportation Equipment Manufacturing336413 | — | ◐ LIKELY ACTIVE |
| LELevy Environmental Services Company dba Butler Mill Service | Butler | IN | Primary Metal Manufacturing331110 | 20-99 | ◐ LIKELY ACTIVE |
| LVLiminal Vines LLC | Butler | PA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| LULuna Umbra Winery, LLC | Butler | MO | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| MFM F & H Textiles, Inc. | Butler | GA | Textile Mills313310 | 20-99 | ◐ LIKELY ACTIVE |
| MQMiller's Quality Meats, LLC | Butler | PA | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
Ocupoint INC | Butler | NJ | Computer and Electronic Product Manufacturing334511 | — | ◐ LIKELY ACTIVE |
| PMPealer Mill Cider | Butler | OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| RHRose Hill Farm Winery | Butler | KY | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |