| HPHi Performance of America LLC | Riverside | CA | — | ◇ UNVERIFIED |
| HAHitachi Astemo Indiana, INC. | Greenfield | IN | — | ◇ UNVERIFIED |
| HCHitachi Cable Automotive Products Usa, INC. | Pensacola | FL | — | ◇ UNVERIFIED |
| HPHolley Performance Prods INC | Springfield | TN | — | ◇ UNVERIFIED |
| HPHolley Performance Products Aberdeen | Aberdeen | MS | — | ◇ UNVERIFIED |
| HDHome Depot Store #1052 | San Luis Obispo | CA | — | ◇ UNVERIFIED |
| HPHonda Parts Unlimited | Sun Valley | CA | — | ◇ UNVERIFIED |
| HPHonda Performance Development, INC | Santa Clarita | CA | — | ◇ UNVERIFIED |
| HPHre Products, LLC | Nazareth | PA | — | ◇ UNVERIFIED |
| HRHutchison Racing Engines | Sacramento | CA | — | ◇ UNVERIFIED |
| HAHwashin America Corporation - Plant #3 | Greenville | AL | — | ◇ UNVERIFIED |
| HEHydraulic Electric | El Cajon | CA | — | ◇ UNVERIFIED |
| HMHyundai Mobis North America Electrified Powertrain Pe Plant Richmond Hill | Richmond Hill | GA | — | ◇ UNVERIFIED |
| IBI B M Global Services-hazelwood | Hazelwood | MO | — | ◇ UNVERIFIED |
| IEIlmor Engineering, INC. | Plymouth | MI | — | ◇ UNVERIFIED |
| ILImj LLC | Irvine | CA | — | ◇ UNVERIFIED |
| IRIndiana Research Institute | Columbus | IN | — | ◇ UNVERIFIED |
| IMIndustrial Maintenance & Engineering Corporation | La Vergne | TN | — | ◇ UNVERIFIED |
| IAInternational Automotive Components Group North America, INC. | Springfield | TN | — | ◇ UNVERIFIED |
| IIpr | Baldwin Park | CA | — | ◇ UNVERIFIED |
| IIqms | Paso Robles | CA | — | ◇ UNVERIFIED |
| JVJacobs Vehicle Systems | Bloomfield | CT | — | ◇ UNVERIFIED |
| JEJamestown Engine Plant Cummins, INC. | Lakewood | NY | — | ◇ UNVERIFIED |
| JAJ and M Diesel | Lynnwood | WA | — | ◇ UNVERIFIED |
| JEJasper Engines and Transmissions INC. Branch # 70 | Jasper | IN | — | ◇ UNVERIFIED |
| JCJdk Corporation Dba Dk Shell | Portsmouth | VA | — | ◇ UNVERIFIED |
| JTJdm Tokyo Motorsports | West Sacramento | CA | — | ◇ UNVERIFIED |
| JPJesus Perez Fuel Injection Inc | Houston | TX | — | ◇ UNVERIFIED |
| JBJim Burns Engines | Ayer | MA | — | ◇ UNVERIFIED |
| JAJim's Automotive Machine Shop INC | Gill | CO | — | ◇ UNVERIFIED |
| JEJ&k Engines | Mount Juliet | TN | — | ◇ UNVERIFIED |
| JIJlg Industries, INC. | Houston | TX | — | ◇ UNVERIFIED |
| JSJohn Shanda | Stockton | CA | — | ◇ UNVERIFIED |
| JDJuan D Velasquez | Los Angeles | CA | — | ◇ UNVERIFIED |
| JEJust Emissions & Inspections | Salt Lake City | UT | — | ◇ UNVERIFIED |
| JSJ.w. Speaker CORP | Germantown | WI | — | ◇ UNVERIFIED |
| KFKaiser Foundation Hospitals | San Diego | CA | — | ◇ UNVERIFIED |
| KPKaiser Permanente Post Acute Care Center | San Leandro | CA | — | ◇ UNVERIFIED |
| KCKb Cores | Kankakee | IL | — | ◇ UNVERIFIED |
| KTKdm Tuners INC. | Corona | CA | — | ◇ UNVERIFIED |
| KKK & K Manufacturing | Sparta | MI | — | ◇ UNVERIFIED |
| KCKohler Company | Hattiesburg | MS | — | ◇ UNVERIFIED |
| KCKohler Company Hattiesburg Engine Plant2 | Hattiesburg | MS | — | ◇ UNVERIFIED |
| KAKomatsu (formerly a and J Diesel Repair) | Gillette | WY | — | ◇ UNVERIFIED |
| KTKon Tiki Inn | Pismo Beach | CA | — | ◇ UNVERIFIED |
| KLKs Large Bore Pistons LLC | Marinette | WI | — | ◇ UNVERIFIED |
| KTKuka Toledo Production Operations | Toledo | OH | — | ◇ UNVERIFIED |
| KMKurt Manufacturing Company | Pueblo | CO | — | ◇ UNVERIFIED |
| LLLalo's Lifts and Drops LLC | Albuquerque | NM | — | ◇ UNVERIFIED |
| LCLear CORP | Zanesville | OH | — | ◇ UNVERIFIED |