| RDResource Development Company | Fort Bragg | CA | — | ◇ UNVERIFIED |
| RSRestoration Station | Santa Rosa | CA | — | ◇ UNVERIFIED |
| RTRevstone Transportation LLC | Vassar | MI | — | ◇ UNVERIFIED |
| RCRichland Ctr Foundry CO (former) | Richland Center | WI | — | ◇ UNVERIFIED |
| RMRichmond Metal Painting | Richmond | CA | — | ◇ UNVERIFIED |
| RFRidge Foundry INC | San Leandro | CA | — | ◇ UNVERIFIED |
 Rie Coatings LLC | Oshkosh | WI | — | ◇ UNVERIFIED |
| RIRiley Industrial Painting | West Burlington | IA | — | ◇ UNVERIFIED |
| RMRipon Manufacturing CO INC | Ripon | CA | — | ◇ UNVERIFIED |
| RMRitter Manufacturing INC | Antioch | CA | — | ◇ UNVERIFIED |
| RPRiverbank Powder Coating LLC | Modesto | CA | — | ◇ UNVERIFIED |
| RCRj Chase Company INC | Union City | CA | — | ◇ UNVERIFIED |
| RJR & J Spray Painting | Fountain Valley | CA | — | ◇ UNVERIFIED |
| RIRMC Incorporated | Seattle | WA | — | ◇ UNVERIFIED |
| RPRmc Powder Coating | Seattle | WA | — | ◇ UNVERIFIED |
| RFRmg Foundry | Mishawaka | IN | — | ◇ UNVERIFIED |
| RMR M Masonry | Richmond | VA | — | ◇ UNVERIFIED |
| RSRoark Services LLC | Claremore | OK | — | ◇ UNVERIFIED |
| RFRobinson Foundry INC | Alexander City | AL | — | ◇ UNVERIFIED |
| RCRockbridge Castings | Rockbridge | IL | — | ◇ UNVERIFIED |
| RARockford American Plating | Rockford | IL | — | ◇ UNVERIFIED |
| RIRock Island Packaging CORP | Milan | IL | — | ◇ UNVERIFIED |
| RRRock Run Industries, LLC | Topeka | IN | — | ◇ UNVERIFIED |
 Rosenbauer Minnesota LLC - Bu | Wyoming | MN | — | ◇ UNVERIFIED |
| RPRo's Precise Painting, INC | Sanger | CA | — | ◇ UNVERIFIED |
| RCRoss Cast Metals | Lancaster | OH | — | ◇ UNVERIFIED |
| RSRoss Sand Casting Industries, Inc., Plan | Winchester | IN | — | ◇ UNVERIFIED |
| RSRoss Sand Casting Industry, LLC | Orrville | OH | — | ◇ UNVERIFIED |
| RCRotor Coaters International | Saginaw | MI | — | ◇ UNVERIFIED |
 Royal Coatings | Simi Valley | CA | — | ◇ UNVERIFIED |
| RMRoyalite Manufacturing INC | San Carlos | CA | — | ◇ UNVERIFIED |
| RCRpi Coating, INC. | Stanton | CA | — | ◇ UNVERIFIED |
| RRR & R Service Company | Hobbs | NM | — | ◇ UNVERIFIED |
| RPRubber & Plastics CO | Auburn Hills | MI | — | ◇ UNVERIFIED |
| RIRusco INC | Portland | OR | — | ◇ UNVERIFIED |
| RPRush Painting | Baldwin Park | CA | — | ◇ UNVERIFIED |
| RSRussell-stanley Services | Dundalk | MD | — | ◇ UNVERIFIED |
| RTRussell T. Bundy Associates, INC. | Charlotte | NC | — | ◇ UNVERIFIED |
| RTRussell T. Bundy Associates INC (0111010105) | Urbana | OH | — | ◇ UNVERIFIED |
| RTRussell T Bundy Associates INC Dba Pan Glo Chicago | Rockdale | IL | — | ◇ UNVERIFIED |
| RLRyan Lee Investments, LLC | Pflugerville | TX | — | ◇ UNVERIFIED |
| SPSalem Powder Coat LLC | Salem | OR | — | ◇ UNVERIFIED |
| SLSalher, LLC | Fountain Valley | CA | — | ◇ UNVERIFIED |
| SISal's Industrial Painting | Denver | CO | — | ◇ UNVERIFIED |
| SCSalt City Metal Coatings, LLC | Enoch | UT | — | ◇ UNVERIFIED |
| SPSalt Painting Co/hayfield Twp | Saegertown | PA | — | ◇ UNVERIFIED |
| SESamuel E Rodriguez | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| SCSanders CO INC | Elizabeth City | NC | — | ◇ UNVERIFIED |
| SISandwich Iron Foundry | Plano | IL | — | ◇ UNVERIFIED |
| SFSan Francisco Bay Aggregates, LLC | Pittsburg | CA | — | ◇ UNVERIFIED |
| SJSan Joaquin Steel Co., INC. | Stockton | CA | — | ◇ UNVERIFIED |
| SISar Industrial Finishing | Berlin | NJ | — | ◇ UNVERIFIED |
| SISar Industrial Finishing INC. | Winslow Township | NJ | — | ◇ UNVERIFIED |
| SMSather Mfg CO INC | Everett | WA | — | ◇ UNVERIFIED |
| SESauceda Enterprises | San Jose | CA | — | ◇ UNVERIFIED |
| STSaxco Torque Converters INC | San Jose | CA | — | ◇ UNVERIFIED |
| SBS & B Finishing CO INC | Chicago | IL | — | ◇ UNVERIFIED |
| SESbr Etchings INC | Hope | AR | — | ◇ UNVERIFIED |
| SISc2 INC | Bartonville | IL | — | ◇ UNVERIFIED |
| SISc2 INC | Peoria | IL | — | ◇ UNVERIFIED |
| SSSc2 Services INC | East Peoria | IL | — | ◇ UNVERIFIED |
 Scelzi Enterprises INC | Fresno | CA | — | ◇ UNVERIFIED |
 Schuff Steel Company | Salt Lake City | UT | — | ◇ UNVERIFIED |
| SFSchwarb Foundry | Warren | MI | — | ◇ UNVERIFIED |
| SISchwarb Industries INC | Troy | MI | — | ◇ UNVERIFIED |
| SSScientific Spray Finishes INC | Fullerton | CA | — | ◇ UNVERIFIED |
| SPScooter's Paint Works LLC | Slidell | LA | — | ◇ UNVERIFIED |
| SEScott Engineering and Procurement, INC. (1431004456) | Loveland | OH | — | ◇ UNVERIFIED |
| SMScott-lynn Manufacturing INC | Auburn | ME | — | ◇ UNVERIFIED |
| SPSdl Precision, LLC | Kingsley | MI | — | ◇ UNVERIFIED |
| SSSdl Studios, INC. | Toms River | NJ | — | ◇ UNVERIFIED |
| SFSeaboard Foundry | Johnston, Town of | RI | — | ◇ UNVERIFIED |
| SCS.e.a. Corporation | Lancaster | CA | — | ◇ UNVERIFIED |
| SESeattle Engraving Center LLC | Brandon | FL | — | ◇ UNVERIFIED |
| SGSeattle Galvanizing Company, Inc. | Kirkland | WA | — | ◇ UNVERIFIED |
| SUSeavac Usa, LLC | Fort Wayne | IN | — | ◇ UNVERIFIED |
| SISeaver Industrial Finishing CO. | Grand Haven | MI | — | ◇ UNVERIFIED |
| SSel-tech | Chico | CA | — | ◇ UNVERIFIED |
| SISemiray Inspection Services | Phoenix | AZ | — | ◇ UNVERIFIED |
| SSSentry Supply INC - Superior Supply & Steel | Sulphur | LA | — | ◇ UNVERIFIED |
| SCSequa Corporation | Hueytown | AL | — | ◇ UNVERIFIED |
| SBSequoia Brick | Lindsay | CA | — | ◇ UNVERIFIED |
| SCSermatech Coating Facility ( a Praxair Co.) | Biddeford | ME | — | ◇ UNVERIFIED |
| SISermatech International INC | Limerick | PA | — | ◇ UNVERIFIED |
| SISermatech Internations INC. | Boynton Beach | FL | — | ◇ UNVERIFIED |
| SCSerra CORP. | Nevada City | CA | — | ◇ UNVERIFIED |
| SCSerra Corporation | Hayward | CA | — | ◇ UNVERIFIED |
| SBService Brass & Aluminum Foundry, INC. | Wichita | KS | — | ◇ UNVERIFIED |
| SWService Welding & Machine CO. | Louisville | KY | — | ◇ UNVERIFIED |
| SIServitch Industries Incorporated | Nashville | TN | — | ◇ UNVERIFIED |
| SESewer Equipment CO. of Florida, INC. | New Smyrna Beach | FL | — | ◇ UNVERIFIED |
| SCShamaze Custom Coatings | Lake Forest | CA | — | ◇ UNVERIFIED |
| SFShane Follenvaider and Angela L. Follenvaider | Rohnert Park | CA | — | ◇ UNVERIFIED |
| SGShannon Galvanizing Floresville Facility | Floresville | TX | — | ◇ UNVERIFIED |
| SCShape CORP | Garland | TX | — | ◇ UNVERIFIED |
| SBShawcor Beaumont Cement Pipe Coating Facility | Beaumont | TX | — | ◇ UNVERIFIED |
| SPShawcor Pipe Protection | Pearland | TX | — | ◇ UNVERIFIED |
| SPShawcor Pipe Protection LLC | Portland | OR | — | ◇ UNVERIFIED |
| SPShawcor Pipe Protection LLC. | Fontana | CA | — | ◇ UNVERIFIED |
| SMSheaffer Manufacturing CO LLC | Fort Madison | IA | — | ◇ UNVERIFIED |
