| RSRadiant Steel Prod Co/williamsport Plt | Williamsport | PA | — | ◇ UNVERIFIED |
 Rah Industries, INC. | Valencia | CA | — | ◇ UNVERIFIED |
| RMRAH Metal Inc. | Brentwood | NY | — | ◇ UNVERIFIED |
| RMRainbow Metals LLC | North Bend | OR | — | ◇ UNVERIFIED |
| RCRainville - Carlson INC | Annandale | MN | — | ◇ UNVERIFIED |
| RGRaka General Sheet Metal, INC. | Shreveport | LA | — | ◇ UNVERIFIED |
| RGRaka General Sheet Metal, INC. | Bossier City | LA | — | ◇ UNVERIFIED |
| RSRamsey & Son, INC. | Las Vegas | NV | — | ◇ UNVERIFIED |
| RAR and R Metalworks INC Dba R-r Metalworks | Montgomery | MN | — | ◇ UNVERIFIED |
| RTRandy's Termite & Pest Control | Waipahu | HI | — | ◇ UNVERIFIED |
| RTRan Tech Engineering & Aerospace INC | Milwaukie | OR | — | ◇ UNVERIFIED |
| RLRapid Line INC | Grand Rapids | MI | — | ◇ UNVERIFIED |
| RIRavensberg, INC. | Saint Louis | MO | — | ◇ UNVERIFIED |
| RLRay L Hellwig Plumbing & Heating INC | Santa Clara | CA | — | ◇ UNVERIFIED |
| RMRaytec Manufacturing LLC | Memphis | MO | — | ◇ UNVERIFIED |
| RSRdc Sheet Metal Company, INC. | Bethany | CT | — | ◇ UNVERIFIED |
| RDR & D Laser Processing, INC. | Janesville | WI | — | ◇ UNVERIFIED |
| RSReaddick Sheet Metal Works of Glynn, INC. | Brunswick | GA | — | ◇ UNVERIFIED |
| RMRearden Metal Works LLC | Bronx | NY | — | ◇ UNVERIFIED |
| RER. E. Bengel Sheet Metal Company | New Bern | NC | — | ◇ UNVERIFIED |
| RHRedd's Heating & Air Conditioning L.l.c. | Shelbyville | TN | — | ◇ UNVERIFIED |
| RLRed Letter Garage | Port Saint Lucie | FL | — | ◇ UNVERIFIED |
| RNReed National CORP | Westfield | MA | — | ◇ UNVERIFIED |
| RMReed's Metals, LLC - Main Office and Plant | Cross City | FL | — | ◇ UNVERIFIED |
| RMReeds Metals of Jackson INC. | Jackson | TN | — | ◇ UNVERIFIED |
| RFRegal Fiberglass INC | Greeley | CO | — | ◇ UNVERIFIED |
| RPReliable Power Products Group, INC. | Arkansas City | KS | — | ◇ UNVERIFIED |
| RTReliable Tin Shop, INC. | Birmingham | AL | — | ◇ UNVERIFIED |
| RIRenfro Industries, INC. | Terrell | TX | — | ◇ UNVERIFIED |
| RMRexco Met Dba Rexco | Ontario | CA | — | ◇ UNVERIFIED |
| RMReynolds Manufacturing INC. | Big Flats | NY | — | ◇ UNVERIFIED |
| RCReynoldsville Casket/reynoldsville | Reynoldsville | PA | — | ◇ UNVERIFIED |
| RGR Getty Browning Associates | Davidsonville | MD | — | ◇ UNVERIFIED |
| RGR. G. Smith Company | Strongsville | OH | — | ◇ UNVERIFIED |
| RIRheasilvia Inc. | Denver | CO | — | ◇ UNVERIFIED |
| RMRhw Metals | Longview | TX | — | ◇ UNVERIFIED |
| RMRichard Morgano II | Methuen | MA | — | ◇ UNVERIFIED |
| RMRight Manufacturing, LLC | San Diego, | CA | — | ◇ UNVERIFIED |
| RIRightway Industries INC Edina Dba Woznak Stampings | Minneapolis | MN | — | ◇ UNVERIFIED |
| RCRiver City Sheet Metal, LLC | Louisville | KY | — | ◇ UNVERIFIED |
| RJR J Gardner Investors LLC | Albany | NY | — | ◇ UNVERIFIED |
| RIRji INC. | Houston | TX | — | ◇ UNVERIFIED |
| RIRj Industries | Ontario | CA | — | ◇ UNVERIFIED |
| RJR & J Sheet Metal Distributers, INC. | Albany | NY | — | ◇ UNVERIFIED |
| RVRj Valadez Enterprises INC | Irwindale | CA | — | ◇ UNVERIFIED |
| RVRj Valadez Enterprises INC | San Dimas | CA | — | ◇ UNVERIFIED |
| RJR & J Welding & Metal Fabrication | Ontario | CA | — | ◇ UNVERIFIED |
| RHR.l. Hueston, LLC | toledo | OH | — | ◇ UNVERIFIED |
| RIRoar Industries INC | Hopedale | MA | — | ◇ UNVERIFIED |
| RLRobert Lloyd Sheet Metal INC | Independence | OR | — | ◇ UNVERIFIED |
| RLRobert Lloyd Sheet Metal INC | Salem | OR | — | ◇ UNVERIFIED |
| RMRobinson Metal, INC. | De Pere | WI | — | ◇ UNVERIFIED |
| RSRobinson's Sheet Metal Works INC | Corcoran | CA | — | ◇ UNVERIFIED |
| RMRonson Machine & Manufacturing, INC. | Independence | MO | — | ◇ UNVERIFIED |
| RWRon White Industries, Inc.* | Willow Springs | MO | — | ◇ UNVERIFIED |
| RDRoofing Development CO Inc, & | Corona | CA | — | ◇ UNVERIFIED |
| RTRoof Top Metal Products INC | Lodi | CA | — | ◇ UNVERIFIED |
| RSRooftop Systems INC. | Carrollton | TX | — | ◇ UNVERIFIED |
| RSRoyal Sheet Metal INC | Holland | MI | — | ◇ UNVERIFIED |
| RTRoyal T Manufacturing INC | Independence | OR | — | ◇ UNVERIFIED |
| RIRppg INC. | Arkansas City | KS | — | ◇ UNVERIFIED |
| RIRsf Industries INC Dba Range Steel Fabricators | Hibbing | MN | — | ◇ UNVERIFIED |
| RTR Tech LLC | Binghamton | NY | — | ◇ UNVERIFIED |
| RPRudco Products INC Plant #2 | Vineland | NJ | — | ◇ UNVERIFIED |
| RSRusch & Son Metal Fab LLC | Portland | OR | — | ◇ UNVERIFIED |
| RSRushton Sheet Metal | Iowa City | IA | — | ◇ UNVERIFIED |
| RCRuskin CO | Fairmont | WV | — | ◇ UNVERIFIED |
| RCRuskin CO. - Parsons | Parsons | KS | — | ◇ UNVERIFIED |
| RWR W Harper and Son, INC. | Richmond | VA | — | ◇ UNVERIFIED |
| RMRW Metal Spinning Inc | San Leandro | CA | — | ◇ UNVERIFIED |
| SFSacco Family Limited Partnership | Mankato | MN | — | ◇ UNVERIFIED |
| SESae Engineering, INC. | Morgan Hill | CA | — | ◇ UNVERIFIED |
| SAS & a Enterprises, Incorporated | Rosedale | MD | — | ◇ UNVERIFIED |
| SHSalem Heating & Sheet Metal INC | Salem | OR | — | ◇ UNVERIFIED |
| SHSalem Heating & Sheet Metal INC | Salem | OR | — | ◇ UNVERIFIED |
| SHSalem Heating & Sheet Metal INC | Salem | OR | — | ◇ UNVERIFIED |
| SHSalem Heating & Sheet Metal INC | Dallas | OR | — | ◇ UNVERIFIED |
| SHSalem Heating & Sheet Metal INC | Salem | OR | — | ◇ UNVERIFIED |
| SSSan-co Steel, LTD | Donna | TX | — | ◇ UNVERIFIED |
| SMSan Mateo, INC. | Bensenville | IL | — | ◇ UNVERIFIED |
| SCSanmina Corporation | Fremont | CA | — | ◇ UNVERIFIED |
| SSanmina-sci | Westbrook | ME | — | ◇ UNVERIFIED |
| SFSanta Fe Enameling & Metal Finishing CO | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| SMSantee Metal Works LLC | Littleton | CO | — | ◇ UNVERIFIED |
| SISaqaf Inc. | Dallas | TX | — | ◇ UNVERIFIED |
| SSScafco Steel Stud Manufacturing | Stockton | CA | — | ◇ UNVERIFIED |
| SCSchefers Construction Services INC. | Grain Valley | MO | — | ◇ UNVERIFIED |
| SFSchetchl Fab LLC | Newark | NJ | — | ◇ UNVERIFIED |
| SSSchneider Simpson Sheet Metal | Tacoma | WA | — | ◇ UNVERIFIED |
| SHSchuylkill Haven Casket CO | Schuylkill Haven | PA | — | ◇ UNVERIFIED |
| SMScreed Master Products INC | El Cajon | CA | — | ◇ UNVERIFIED |
| SSScs Sheet Metal | Grain Valley | MO | — | ◇ UNVERIFIED |
| STSeal Tite LLC | Hillsboro | OH | — | ◇ UNVERIFIED |
| SCSechrist-hall CO | Corpus Christi | TX | — | ◇ UNVERIFIED |
| SMSedalia Machine Works Inc.* | Sedalia | MO | — | ◇ UNVERIFIED |
| SCSeelye Craftsman CO | Minneapolis | MN | — | ◇ UNVERIFIED |
| SISelecsource, INC. | Suwanee | GA | — | ◇ UNVERIFIED |
| SDSemco Duct and Acoustical Products, INC. | Roanoke | VA | — | ◇ UNVERIFIED |
| SISemco Incorporated | Roanoke | VA | — | ◇ UNVERIFIED |
| SISemco Incorporated | Morrilton | AR | — | ◇ UNVERIFIED |
