| RIRhoads Industrial INC. | Philadelphia | PA | — | ◇ UNVERIFIED |
| RCRialto Concrete Products, INC. | Palmdale | CA | — | ◇ UNVERIFIED |
| RMRichardson Manufacutring Company | Springfield | IL | — | ◇ UNVERIFIED |
 Richards-wilbert INC - Roanoke Valley | Salem | VA | — | ◇ UNVERIFIED |
| RSRichey Services, LLC | Grove | OK | — | ◇ UNVERIFIED |
| RPRichmond Pressed Metal Works, INC | Richmond | VA | — | ◇ UNVERIFIED |
| RSRichmond's Steel INC | Pigeon | MI | — | ◇ UNVERIFIED |
| RERichwood Equipment Company LLC | Springfield | OH | — | ◇ UNVERIFIED |
| RMRickard Metals, Inc. | Ontario | CA | — | ◇ UNVERIFIED |
| RMRidge Mfg CORP | Rockaway | NJ | — | ◇ UNVERIFIED |
| RIRi INC. Dba Seating Solutions | Hauppauge | NY | — | ◇ UNVERIFIED |
| RIR & I Industries | Ontario | CA | — | ◇ UNVERIFIED |
| RIRikke Industrial Piping Supply CO. | Corpus Christi | TX | — | ◇ UNVERIFIED |
| RRRiley Ready Mix & Materials, INC. | Saint Louis | MO | — | ◇ UNVERIFIED |
| RIRinker Indianapolis Pipe | Indianapolis | IN | — | ◇ UNVERIFIED |
| RMRinker Materials Hydro Conduit | Denver | CO | — | ◇ UNVERIFIED |
| RNRiofine Neon | Cathedral City | CA | — | ◇ UNVERIFIED |
| RMRipley Metalworks, LTD. | Ripley | OH | — | ◇ UNVERIFIED |
| RTRipon Truck Repair & Equipment, LLC | Pickett | WI | — | ◇ UNVERIFIED |
| RARippel Architectural Metals INC | Chicago | IL | — | ◇ UNVERIFIED |
| RFRise Fabrication LLC | Valencia | CA | — | ◇ UNVERIFIED |
| RCRiteway Conveyors INC | Lester Prairie | MN | — | ◇ UNVERIFIED |
| RWRivercity Waterjet, INC. | San Antonio | TX | — | ◇ UNVERIFIED |
| RCRiver Construction INC | Belle Chasse | LA | — | ◇ UNVERIFIED |
| RFRiver Fleets INC. | Charleston | MO | — | ◇ UNVERIFIED |
| RMRiversedge Machine & Fabrication, LLC | Decatur | AL | — | ◇ UNVERIFIED |
| RFRivers Fabrication & Welding INC | Owosso | MI | — | ◇ UNVERIFIED |
| RWRiverside Welding Co., INC. | Green Bay | WI | — | ◇ UNVERIFIED |
| RLR.i.v.e.t.e.d Limited | Reno | NV | — | ◇ UNVERIFIED |
| RSRiviera Stoneworks, INC. | Foley | AL | — | ◇ UNVERIFIED |
| RJR & J Florig Industrial Co., INC. | Conshohocken | PA | — | ◇ UNVERIFIED |
| RJR J Marine Industries | Oxford | MA | — | ◇ UNVERIFIED |
| RSRj Staab Stone Company of Florida, LLC | Gainesville | FL | — | ◇ UNVERIFIED |
| RJR J Thomas Mfg CO INC | Cherokee | IA | — | ◇ UNVERIFIED |
| RKR & K Fabricating, INC. | Dayton | TX | — | ◇ UNVERIFIED |
| RPRmr Products INC | Pacoima | CA | — | ◇ UNVERIFIED |
| RORnS One L.L.C. | Mapleton | UT | — | ◇ UNVERIFIED |
| RIRoadrunner Ind Works INC | Peralta | NM | — | ◇ UNVERIFIED |
| RMRoadrunner Manufacturing, INC. | Manteca | CA | — | ◇ UNVERIFIED |
| RSRoane Steel Corporation | Rockwood | TN | — | ◇ UNVERIFIED |
| RCRobeck Custom Fabrication LLC | Sweet Home | OR | — | ◇ UNVERIFIED |
| RFRobert Friesen | Atwater | CA | — | ◇ UNVERIFIED |
| RHRobert Hegdahl | Hayward | CA | — | ◇ UNVERIFIED |
| RVRoberts Vault Company, INC. | Dade City | FL | — | ◇ UNVERIFIED |
| RSRobotic Security Systems, INC. | Panama City | FL | — | ◇ UNVERIFIED |
| RHRock Hill Concrete LLC | Dayton | WA | — | ◇ UNVERIFIED |
| RDRockin D Construction, LLC | Benson | AZ | — | ◇ UNVERIFIED |
| RSRockingham Steel Incorporated | Harrisonburg | VA | — | ◇ UNVERIFIED |
| RCRock-tred CORP | Skokie | IL | — | ◇ UNVERIFIED |
| RMRocky Mountain Amusements Inc | Hayden | ID | — | ◇ UNVERIFIED |
| RMRocky Mountain Fabrication | Salt Lake City | UT | — | ◇ UNVERIFIED |
| RMRocky Mountain Metals INC | Raton | NM | — | ◇ UNVERIFIED |
| RMRocky Mountain Orthodontic, INC. | Denver | CO | — | ◇ UNVERIFIED |
| RMRocky Mountain Precast, LLC | Yigo | GU | — | ◇ UNVERIFIED |
| RMRocky Mountain Prestress | Greeley | CO | — | ◇ UNVERIFIED |
| RMRocky Mountain Prestress LLC (structural Plant) | Denver | CO | — | ◇ UNVERIFIED |
| RMRocky Mountain Vessels LLC | Montrose | CO | — | ◇ UNVERIFIED |
| RMRocky Mt Prestressed | Sheridan | CO | — | ◇ UNVERIFIED |
| RCRocla Concrete Tie Incorporated | Denver | CO | — | ◇ UNVERIFIED |
| RWRod Works | Mcallen | TX | — | ◇ UNVERIFIED |
| RFRogue Fabricators Inc | Poulsbo | WA | — | ◇ UNVERIFIED |
| RIRohn Industries INC | Bessemer | AL | — | ◇ UNVERIFIED |
| RORohn Ornamental Concrete INC | Bethlehem | PA | — | ◇ UNVERIFIED |
| RPRohn Products, LLC | Peoria | IL | — | ◇ UNVERIFIED |
| RDRoller Die & Forming | Green Cove Springs | FL | — | ◇ UNVERIFIED |
| RURoll-offs USA INC. | Durant | OK | — | ◇ UNVERIFIED |
| RSRomero Steel Company, INC. | Melrose Park | IL | — | ◇ UNVERIFIED |
| RWRoot Wise Farms LLC | Siletz | OR | — | ◇ UNVERIFIED |
 Rose Metal Industries INC. | Cleveland | OH | — | ◇ UNVERIFIED |
| RMRose Metal Products INC | Springfield | MO | — | ◇ UNVERIFIED |
| RGRosenwach Group | Queens | NY | — | ◇ UNVERIFIED |
| RCRoseville Crushed Concrete | Roseville | MI | — | ◇ UNVERIFIED |
| RTRoss Tech Corp/leola | Leola | PA | — | ◇ UNVERIFIED |
| RWRothe Welding, INC. | Saugerties | NY | — | ◇ UNVERIFIED |
| RIRoura Iron Works INC | Holly Springs | MS | — | ◇ UNVERIFIED |
| RMRoura Material Handling INC | Holly Springs | MS | — | ◇ UNVERIFIED |
| RURoxell USA Agile Manufacturing Ctb, INC. | Anderson | MO | — | ◇ UNVERIFIED |
| RJRoy J Hamilton INC | Heber City | UT | — | ◇ UNVERIFIED |
| RTRp Trailers LLC | Wilsonville | OR | — | ◇ UNVERIFIED |
| RRR & R Equipment Repair | Flatwoods | WV | — | ◇ UNVERIFIED |
| RRR & R Erectors INC | Hixson | TN | — | ◇ UNVERIFIED |
| RRR & R Garden Supply, INC. | Medley | FL | — | ◇ UNVERIFIED |
| RWRR Williams Family Enterprises, LLC | Rocklin | CA | — | ◇ UNVERIFIED |
| RSR & S Steel | Denver | CO | — | ◇ UNVERIFIED |
 Rti Remmele Engineering INC | New Brighton | MN | — | ◇ UNVERIFIED |
| RMRt Manufacturing, INC. | Escanaba | MI | — | ◇ UNVERIFIED |
| RWRt Welding INC | Bayfield | CO | — | ◇ UNVERIFIED |
| RCRuby Concrete Company INC | Madisonville | KY | — | ◇ UNVERIFIED |
| RSRudco South LLC | Simpsonville | SC | — | ◇ UNVERIFIED |
| RSRule Steel | Caldwell | ID | — | ◇ UNVERIFIED |
| RFRush Forklift Service | Upland | CA | — | ◇ UNVERIFIED |
| RBRussell Block Co., INC. | Russell | KS | — | ◇ UNVERIFIED |
| RSRussellville Steel Company, INC. | Russellville | AR | — | ◇ UNVERIFIED |
| RVRustin Vault & Monument Co., INC. | Chipley | FL | — | ◇ UNVERIFIED |
| RSR.w. Sidley, INC. | Youngwood | PA | — | ◇ UNVERIFIED |
| RSR.w. Sidley, INC. | Slippery Rock | PA | — | ◇ UNVERIFIED |
| RIRxl INC | Madera | CA | — | ◇ UNVERIFIED |
| RLRyan Lonergan | Claremont | NH | — | ◇ UNVERIFIED |
| SSSabel Steel Service, INC. | Theodore | AL | — | ◇ UNVERIFIED |
| SCSabema CORP | Harbor City | CA | — | ◇ UNVERIFIED |
