| MTMid-ohio Tubing LLC | Butler | OH | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| SLShoun Lumber | Butler | TN | Wood Product Manufacturing321113 | 20-99 | ◇ UNVERIFIED |
| ASAk Steel Butler Works | Butler | PA | Primary Metal Manufacturing331111 | — | ◇ UNVERIFIED |
| BWBattery Warehouse Plus | Butler | PA | Electrical Equipment, Appliance & Component Manufacturing335911 | — | ◇ UNVERIFIED |
| BSBuddy's Sand and Gravel Plant 1 | Butler | AL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| HTHendrickson Truck Suspension Systems Plant 2 | Butler | IN | Transportation Equipment Manufacturing336330 | — | ◇ UNVERIFIED |
| LLLinde Llc/butler Plt | Butler | PA | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| NANorth American Steel & Wire INC | Butler | PA | Primary Metal Manufacturing331222 | — | ◇ UNVERIFIED |
| SCSpang & Co/magnetics Div | Butler | PA | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| TRTamko Roofing Products | Butler | AL | Paper Manufacturing322121 | — | ◇ UNVERIFIED |
| TWTri-wall Weyerhaeuser CO | Butler | IN | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| AMAdvanced Metal Treating-Butler, Inc. | Butler | WI | Fabricated Metal Product Manufacturing332811 | 1-19 | ◇ UNVERIFIED |
| BCB&B Capital LLC | Butler | MO | Food Manufacturing311119 | 20-99 | ◇ UNVERIFIED |
| BDButler Digital Printing and Design LLC | Butler | PA | Printing and Related Support Activities323111 | 1-19 | ◇ UNVERIFIED |
| BMButler Metal Finishing Inc | Butler | WI | Fabricated Metal Product Manufacturing332813 | 1-19 | ◇ UNVERIFIED |
| DADemand and Precision Parts Company of Milwaukee, INC. | Butler | WI | Miscellaneous Manufacturing339920 | 20-99 | ◇ UNVERIFIED |
| GIGcl, INC. | Butler | PA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| KPKey Precast & Supply, INC. | Butler | PA | Nonmetallic Mineral Product Manufacturing327999 | 1-19 | ◇ UNVERIFIED |
| PMPhoenix Metals of Pennsylvania, INC. | Butler | PA | Primary Metal Manufacturing331410 | 1-19 | ◇ UNVERIFIED |
| RGRies Graphics LTD | Butler | WI | Printing and Related Support Activities323110 | 20-99 | ◇ UNVERIFIED |
| ARAnvil Rods LLC | Butler | PA | Miscellaneous Manufacturing339920 | — | ◇ UNVERIFIED |
| BBBradley Brooks | Butler | MO | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| BMButler Metal Spinning CORP. | Butler | WI | Fabricated Metal Product Manufacturing332116 | — | ◇ UNVERIFIED |
| CCChaos Creations LLC | Butler | MO | Textile Product Mills314999 | — | ◇ UNVERIFIED |
| CCCitation CORP | Butler | IN | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| CNCloud Nine Vapor LLC | Butler | PA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| CMCustom Marble and Granite Installing INC. | Butler | PA | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| DHDectile Harkus Construction | Butler | PA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| EPEagle Printing Co/prod Ctr | Butler | PA | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| EAEaton Asphalt Paving CO INC - Portable Plant | Butler | KY | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| EFEfco Finishing CORP | Butler | WI | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| FRFcs - Ready Concrete Services - Butler | Butler | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| FRForest River Incorporated Plant 79 | Butler | IN | Transportation Equipment Manufacturing336214 | — | ◇ UNVERIFIED |
| GMGaDova Manufacturing Inc | Butler | PA | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| GIGcl, INC. | Butler | PA | Fabricated Metal Product Manufacturing332116 | — | ◇ UNVERIFIED |
| HCHarsco CO Heckett Multiserv Plant 16 | Butler | PA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| HMHeckett Multiserv | Butler | KY | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| HLHyquip, LLC | Butler | WI | Fabricated Metal Product Manufacturing332912 | — | ◇ UNVERIFIED |
| JGJay Gee Manufacturing a Div of Griffin Industries | Butler | KY | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| JEJohnson Enterprise International | Butler | PA | Transportation Equipment Manufacturing336411 | — | ◇ UNVERIFIED |
| MCMago Construction CO LLC - Butler Plant | Butler | KY | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| NPNapier Pallet, INC. | Butler | KY | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| SCSemper Concrete Products | Butler | PA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| SZSussex Zinc Plating INC | Butler | WI | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| WAWiest Asphalt Products & Paving, INC. | Butler | PA | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| WBWise Business Forms, INC. | Butler | PA | Printing and Related Support Activities323116 | — | ◇ UNVERIFIED |
