| RTRobbins Tools Die & Mfg CO INC | Henderson | TN | — | ◇ UNVERIFIED |
| RBRobert Baker | Gainesville | FL | — | ◇ UNVERIFIED |
| RBRobert Bosch Fuel Systems LLC | Kentwood | MI | — | ◇ UNVERIFIED |
| RBRobert Bosch LLC | Anderson | SC | — | ◇ UNVERIFIED |
| RBRobert Bundte | Sacramento | CA | — | ◇ UNVERIFIED |
| RJRobert J. Moran, INC. | Littleton | MA | — | ◇ UNVERIFIED |
| RKRobert Kehl | Patterson | CA | — | ◇ UNVERIFIED |
| RKRobert Kelly | Temecula | CA | — | ◇ UNVERIFIED |
| RMRobert M. Lane | Riverside | CA | — | ◇ UNVERIFIED |
| RMRobert M. Smith & Susan B. Smith | College Place | WA | — | ◇ UNVERIFIED |
| RORobert O'dell Designs | Santa Rosa | CA | — | ◇ UNVERIFIED |
| RORobert Ojeda Metalsmith INC | West Palm Beach | FL | — | ◇ UNVERIFIED |
| RERobert's Enterprises, INC. | Brookfield | MA | — | ◇ UNVERIFIED |
| RMRoberts Machine Products, LLC | West Liberty | OH | — | ◇ UNVERIFIED |
| RPRobert's Precision Engineering, Inc., a California Corporation | Anaheim | CA | — | ◇ UNVERIFIED |
| RVRobert Vella | West Sacramento | CA | — | ◇ UNVERIFIED |
 Robert Wall Enterprises Dba Sawing Services | Chatsworth | CA | — | ◇ UNVERIFIED |
| RFRob Finlon INC | Seattle | WA | — | ◇ UNVERIFIED |
| RMRobin Machine INC | Plymouth | MN | — | ◇ UNVERIFIED |
| RMRobin Machine INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| RIRobinson Industrial Machining, INC | Dallas | GA | — | ◇ UNVERIFIED |
| RPRobinson Plating | Richmond | CA | — | ◇ UNVERIFIED |
| RTRob Thomas Machining | Gilroy | CA | — | ◇ UNVERIFIED |
| RWRob Widiner Machining | Carpinteria | CA | — | ◇ UNVERIFIED |
| RERoca Engineering Inc. | Fontana | CA | — | ◇ UNVERIFIED |
| RFRochester Fuel Injection INC | Rochester | MN | — | ◇ UNVERIFIED |
| RMRochester Machine Corporation | New Brighton | PA | — | ◇ UNVERIFIED |
| RMRochester Metalwerx & Manufacturing INC | Lake City | MN | — | ◇ UNVERIFIED |
| RPRochester Precision Machine INC | Rochester | MN | — | ◇ UNVERIFIED |
| RTRoche Tool & Die Corporation | Marlborough | MA | — | ◇ UNVERIFIED |
| RMRockbound Manufacturing INC. | Elk Grove Village | IL | — | ◇ UNVERIFIED |
| RMRockbound Manufacturing INC. | Franklin Park | IL | — | ◇ UNVERIFIED |
| RMRocket Machining & Design, Inc. | Hickory Corners | MI | — | ◇ UNVERIFIED |
| RMRockhill Machine, LLC | Barberton | OH | — | ◇ UNVERIFIED |
| RCRockingham-lunex Company - Former Site of | Bettendorf | IA | — | ◇ UNVERIFIED |
| RRRocking R Ranch LLC | Noble | OK | — | ◇ UNVERIFIED |
| RCRockquality Consulting LLC | Liberty Hill | TX | — | ◇ UNVERIFIED |
| RRRock River Blacksmith LLC | Watertown | WI | — | ◇ UNVERIFIED |
| RMRocksteady Manufacturing LLC | Roseville | MI | — | ◇ UNVERIFIED |
| RARocksun Acquisitions, LLC dba Lightning Chassis | Liberty Township | OH | — | ◇ UNVERIFIED |
| RTRock Tough INC | Bend | OR | — | ◇ UNVERIFIED |
| RIRockwerx, INC. | Portland | ME | — | ◇ UNVERIFIED |
| RMRocky Mountain Electric Motors | Grand Junction | CO | — | ◇ UNVERIFIED |
| RMRocky Mountain Racks, LLC | Berthoud | CO | — | ◇ UNVERIFIED |
| RMRocky Mountain Sandblasting | Henderson | CO | — | ◇ UNVERIFIED |
| RTRocky Top Machine | West Plains | MO | — | ◇ UNVERIFIED |
| RHRocore Holdings, INC. | Franklin | WI | — | ◇ UNVERIFIED |
| RPRodak Plastics CO. INC. | Hayward | CA | — | ◇ UNVERIFIED |
| RMRodewald Manufacturing Inc | Painesville | OH | — | ◇ UNVERIFIED |
| RIRodrigco Industries Inc. | Oceanside | CA | — | ◇ UNVERIFIED |
| RARodriguez All Bumper Repair | Marysville | CA | — | ◇ UNVERIFIED |
| RPRoebuck Precision Machine, INC | Goldsboro | NC | — | ◇ UNVERIFIED |
| RTRoehr Tool Solutions | Sterling | MA | — | ◇ UNVERIFIED |
| RCRogers Clinton Readi Mix | Clinton | IL | — | ◇ UNVERIFIED |
| RMRogers Machine Company, INC. | Louisville | KY | — | ◇ UNVERIFIED |
| RERogue Energies, LLC | Rogue River | OR | — | ◇ UNVERIFIED |
| RIRohr Industries, INC. | Saint Marys | PA | — | ◇ UNVERIFIED |
 Rolar Manufacturing Corporation | Muskegon Heights | MI | — | ◇ UNVERIFIED |
| RSRolled Shapes & Engineering INC | Fraser | MI | — | ◇ UNVERIFIED |
| RFRoll Forming Corporation | Farrell | PA | — | ◇ UNVERIFIED |
| RJRollin J Lobaugh, INC | South San Francisco | CA | — | ◇ UNVERIFIED |
| RSRolls-royce Solutions America INC | San Leandro | CA | — | ◇ UNVERIFIED |
| RTRoll Technology West | Pittsburg | CA | — | ◇ UNVERIFIED |
| RCR-o-m Corporation Dba Prime Design | West Saint Paul | MN | — | ◇ UNVERIFIED |
| RERomero's Engineering | Santa Ana | CA | — | ◇ UNVERIFIED |
| RERomero's Engineering INC | Rancho Cucamonga | CA | — | ◇ UNVERIFIED |
| RRomfab | North Hollywood | CA | — | ◇ UNVERIFIED |
| RGRonald Gromak Estate | Santa Maria | CA | — | ◇ UNVERIFIED |
| RLRonald Lemus | Los Angeles | CA | — | ◇ UNVERIFIED |
| RMRonal Machine LLC | Kent | OH | — | ◇ UNVERIFIED |
| RGRon Grob Company | Johnstown | CO | — | ◇ UNVERIFIED |
| RTRonin Truck Company INC | Covina | CA | — | ◇ UNVERIFIED |
| RBRonnie B Hodge | Kennesaw | GA | — | ◇ UNVERIFIED |
| RPRoosevelt Products, LLC | Delaware | OH | — | ◇ UNVERIFIED |
| RERosa Ella Belmonte Dba Coliseum Sandblasting | Oakland | CA | — | ◇ UNVERIFIED |
| RARosalex Auto Repair | Indio | CA | — | ◇ UNVERIFIED |
| RMRoscoe Metal Finishing | Chicago | IL | — | ◇ UNVERIFIED |
 Rosco Manufacturing LLC | Providence | RI | — | ◇ UNVERIFIED |
| RMRose Metal Works, INC | Chicopee | MA | — | ◇ UNVERIFIED |
| RTRose - Tec. INC. | Asheboro | NC | — | ◇ UNVERIFIED |
| RSRosey Steel Rule Die Co., INC. | Dalton | GA | — | ◇ UNVERIFIED |
| RLRoss-hx LLC | Middletown | OH | — | ◇ UNVERIFIED |
| RURossville Universal Machine & Welding Co., INC. | Rossville | GA | — | ◇ UNVERIFIED |
| RCRotary Compressor, INC. | City of Industry | CA | — | ◇ UNVERIFIED |
| RCRotary Corporation, INC. | Glennville | GA | — | ◇ UNVERIFIED |
| RCRoto-die Company INC | Anaheim | CA | — | ◇ UNVERIFIED |
| RHRoto Hammer Industries, INC. | Tulsa | OK | — | ◇ UNVERIFIED |
| RDRotometrics; Dba Maxcess | Lombard | IL | — | ◇ UNVERIFIED |
| RIRotom, INC. | Plainview | TX | — | ◇ UNVERIFIED |
| RMRoussey Machining Solutions LLC | Bronson | MI | — | ◇ UNVERIFIED |
| RMRowe Manufacturing, INC. | Sanford | FL | — | ◇ UNVERIFIED |
| RWRowe's Welding | Grand Island | NE | — | ◇ UNVERIFIED |
| RMRow Manufacturing | Athens | AL | — | ◇ UNVERIFIED |
| RIRoyale INC. | Calumet | MI | — | ◇ UNVERIFIED |
| RMRoyal Maple Metal Sales LLC | Mc Bain | MI | — | ◇ UNVERIFIED |
| RMRoyal Metal Works Corporation | Las Vegas | NV | — | ◇ UNVERIFIED |
| RMRoyal Metal Works Corporation | Las Vegas | NV | — | ◇ UNVERIFIED |
| RORoyal Oak Industries | Lake Orion | MI | — | ◇ UNVERIFIED |
 Royal Precision Products INC | Opa Locka | FL | — | ◇ UNVERIFIED |
| RTRoyal Tool and Machine LLC | Northwood | OH | — | ◇ UNVERIFIED |
