| RMRCK Machining, LLC | Ruffin | NC | — | ◇ UNVERIFIED |
| RORC Ornamental LLC | Heber | UT | — | ◇ UNVERIFIED |
| RORC Ornamental LLC | Heber City | UT | — | ◇ UNVERIFIED |
| RLRcpm LLC | Bellevue | WA | — | ◇ UNVERIFIED |
| RIRcs Industries INC | Riverside | CA | — | ◇ UNVERIFIED |
| RCR. C. Technical Welding & Fabrication, INC. | Stafford | TX | — | ◇ UNVERIFIED |
| RTRc Tool and Machine INC | Rose City | MI | — | ◇ UNVERIFIED |
| RDR & D Cnc Machining | Hamilton | MI | — | ◇ UNVERIFIED |
| RSRdc Sheet Metal Company, INC. | Bethany | CT | — | ◇ UNVERIFIED |
| RER-d Engineering - Machining LLC | Stacy | MN | — | ◇ UNVERIFIED |
| RHR.d. Hopkin Machining and Fabricating, LLC | Herminie | PA | — | ◇ UNVERIFIED |
| RDR D K Machine LLC | Wichita | KS | — | ◇ UNVERIFIED |
| RDR & D Laser Processing, INC. | Janesville | WI | — | ◇ UNVERIFIED |
| RMR&D Machine, Inc. | Troy | OH | — | ◇ UNVERIFIED |
| RMRd Machine & Manufacturing | Salt Lake City | UT | — | ◇ UNVERIFIED |
| RDR - D Manufacturing INC Dba V Dock | Forest Lake | MN | — | ◇ UNVERIFIED |
| RSReaddick Sheet Metal Works of Glynn, INC. | Brunswick | GA | — | ◇ UNVERIFIED |
| RDRealco Diversified INC. | Meadville | PA | — | ◇ UNVERIFIED |
| RMRearden Metal Works LLC | Bronx | NY | — | ◇ UNVERIFIED |
| RMReba Machine Company | Bensenville | IL | — | ◇ UNVERIFIED |
| RER. E. Bengel Sheet Metal Company | New Bern | NC | — | ◇ UNVERIFIED |
| RMRebilt Metalizing CO | Vernon | CA | — | ◇ UNVERIFIED |
| RARebuilding and Fabricating, INC | Elyria | OH | — | ◇ UNVERIFIED |
| ROReco of Illinois, INC. | Aurora | IL | — | ◇ UNVERIFIED |
| RDRed Dog Machining INC. | Ogden | UT | — | ◇ UNVERIFIED |
| RHRedd's Heating & Air Conditioning L.l.c. | Shelbyville | TN | — | ◇ UNVERIFIED |
| RRedguard | Wichita | KS | — | ◇ UNVERIFIED |
| RRedguard | Wichita | KS | — | ◇ UNVERIFIED |
| RLRed Letter Garage | Port Saint Lucie | FL | — | ◇ UNVERIFIED |
| R1Redline 176 LLC | Bloomingdale | IL | — | ◇ UNVERIFIED |
| RARedline Architectural Sheet Metal LLC | Saint Paul | MN | — | ◇ UNVERIFIED |
| RMRedline Manufacturing, Inc. | Galesburg | MI | — | ◇ UNVERIFIED |
| RRRed River Precision Mfg., Inc. | Round Rock | TX | — | ◇ UNVERIFIED |
| RPReed Precision Machining INC. | Salt Lake City | UT | — | ◇ UNVERIFIED |
| RMReed's Metals, LLC - Main Office and Plant | Cross City | FL | — | ◇ UNVERIFIED |
| RMReeds Metals of Jackson INC. | Jackson | TN | — | ◇ UNVERIFIED |
| RARef Alabama INC. | Greenville | AL | — | ◇ UNVERIFIED |
| RReflections | Sperry | OK | — | ◇ UNVERIFIED |
| RMRegency Machine, Inc. | Lubbock | TX | — | ◇ UNVERIFIED |
| RMReider Machine INC | North Branch | MN | — | ◇ UNVERIFIED |
| RAReliable Autotech USA LLC | Chenoa | IL | — | ◇ UNVERIFIED |
| RPReliable Power Products Group, INC. | Arkansas City | KS | — | ◇ UNVERIFIED |
| RTReliable Tin Shop, INC. | Birmingham | AL | — | ◇ UNVERIFIED |
| RSReliance Steel of Vermont, INC | Colchester | VT | — | ◇ UNVERIFIED |
| RTReliance Truck & Equipment LTD | San Antonio | TX | — | ◇ UNVERIFIED |
| RMRel Machine INC | Calumet | MI | — | ◇ UNVERIFIED |
| RMRel Machine INC | Calumet | MI | — | ◇ UNVERIFIED |
| RIRenfro Industries, INC. | Terrell | TX | — | ◇ UNVERIFIED |
| RDRepublic Diesel INC | Harrogate | TN | — | ◇ UNVERIFIED |
| RFRepublic Fence Co, INC | Chatsworth | CA | — | ◇ UNVERIFIED |
| RIRepublic Iron Works | San Bernardino | CA | — | ◇ UNVERIFIED |
| RResearchtool | Guilford | CT | — | ◇ UNVERIFIED |
| RIRev Industries LLC | Cromwell | CT | — | ◇ UNVERIFIED |
| RTRev Tech Lc | Des Moines | IA | — | ◇ UNVERIFIED |
| RMRexco Met Dba Rexco | Ontario | CA | — | ◇ UNVERIFIED |
| RCRex Companies, INC | Newport News | VA | — | ◇ UNVERIFIED |
| RPReyco Precision Welding INC. | Elk Grove Village | IL | — | ◇ UNVERIFIED |
| RCReyes Castillo | Dallas | TX | — | ◇ UNVERIFIED |
| RMReynolds Manufacturing Company | Avonmore | PA | — | ◇ UNVERIFIED |
| RMReynolds Manufacturing INC. | Big Flats | NY | — | ◇ UNVERIFIED |
| RFR & F Metals INC | Clinton | MD | — | ◇ UNVERIFIED |
| RGR Getty Browning Associates | Davidsonville | MD | — | ◇ UNVERIFIED |
| RFRg Fine Ironworks | Rosemead | CA | — | ◇ UNVERIFIED |
| RGR. G. Smith Company | Strongsville | OH | — | ◇ UNVERIFIED |
| RPRgs Products, INC. | Waterford | PA | — | ◇ UNVERIFIED |
| RIRheasilvia Inc. | Denver | CO | — | ◇ UNVERIFIED |
| RMRhinehart Metalworks | Seattle | WA | — | ◇ UNVERIFIED |
| RMR&H Manufacturers LLC | Edwardsville | PA | — | ◇ UNVERIFIED |
| RIRHP Investments, LLC | Wausau | WI | — | ◇ UNVERIFIED |
| RMRhw Metals | Longview | TX | — | ◇ UNVERIFIED |
| RMRichard Morgano II | Methuen | MA | — | ◇ UNVERIFIED |
| RFRichard's Fab Shop LLC | Sumter | SC | — | ◇ UNVERIFIED |
| RSRichland Screw Machine Parts, INC. | Mansfield | OH | — | ◇ UNVERIFIED |
| RCRidgefield Company, LLC | Grand Rapids | MI | — | ◇ UNVERIFIED |
| RWRigby's Welding, INC. | Bakersfield | CA | — | ◇ UNVERIFIED |
| RARight Angle, INC. | Cedar Rapids | IA | — | ◇ UNVERIFIED |
| RMRight Manufacturing, LLC | San Diego, | CA | — | ◇ UNVERIFIED |
| RIRightway Industries INC Edina Dba Woznak Stampings | Minneapolis | MN | — | ◇ UNVERIFIED |
| RMRigid Machining, LLC | Browerville | MN | — | ◇ UNVERIFIED |
| RERigo's Equipment Manufacturing, LLC | Baldwin Park | CA | — | ◇ UNVERIFIED |
| RIRija INC. | Oak Hill | WV | — | ◇ UNVERIFIED |
| RMRiley Machine Specialties INC | North Plains | OR | — | ◇ UNVERIFIED |
| RERincon Engineering Technologies | San Diego | CA | — | ◇ UNVERIFIED |
| RMRiser Machine CORP | New Lenox | IL | — | ◇ UNVERIFIED |
| RMRissco Machine, L.l.c. | Corpus Christi | TX | — | ◇ UNVERIFIED |
| RRRisse Racing Technology Incorporated | Redmond | OR | — | ◇ UNVERIFIED |
| RERite Engineering & Manufacturing CORP | Commerce | CA | — | ◇ UNVERIFIED |
| RLRittek LLC | Richmond | KY | — | ◇ UNVERIFIED |
| RPRitter Properties Trust | Reno | NV | — | ◇ UNVERIFIED |
| RDRitz Davish Investments, LLC | Wixom | MI | — | ◇ UNVERIFIED |
| RARiverbank Army Ammunition Plt. | Riverbank | CA | — | ◇ UNVERIFIED |
| RCRiver Cities Machine LLC | Bossier City | LA | — | ◇ UNVERIFIED |
| RCRiver City Fence INC | West Sacramento | CA | — | ◇ UNVERIFIED |
| RMRivercity Manufacturing and Machining Company | Winona | MN | — | ◇ UNVERIFIED |
| RCRiver City Metal Fabrication, LLC | Baton Rouge | LA | — | ◇ UNVERIFIED |
| RCRiver City Sheet Metal, LLC | Louisville | KY | — | ◇ UNVERIFIED |
| RMRiverside Machine | Tulsa | OK | — | ◇ UNVERIFIED |
 Riverside Manufacturing INC | Ramsey | MN | — | ◇ UNVERIFIED |
| RTRiver Town Ironworks, INC. | Prairie Du Chien | WI | — | ◇ UNVERIFIED |
| RDRiverwatch Development, LLC | Reno | NV | — | ◇ UNVERIFIED |
