 Quality Plating Company, INC. (closed) | Nashville | TN | — | ◇ UNVERIFIED |
| QSQuality Screw Machine Products INC. | Saint Louis | MO | — | ◇ UNVERIFIED |
| QSQuality Sheet Metal | Sugar Land | TX | — | ◇ UNVERIFIED |
| QSQuality Sheet Metal | Midland | TX | — | ◇ UNVERIFIED |
| QSQuality Sheet Metal Fabricators INC | Winona | MN | — | ◇ UNVERIFIED |
| QSQuality Sheet Metal INC | Monroe | LA | — | ◇ UNVERIFIED |
| QSQuality Sheet Metal, INC. | Jacksonville | FL | — | ◇ UNVERIFIED |
| QSQuality Sheet Metal LLC | Fruita | CO | — | ◇ UNVERIFIED |
| QSQuality Sheet Metal & Welding Company, INC. | Piscataway | NJ | — | ◇ UNVERIFIED |
| QSQuality Stainless, INC. | Oklahoma City | OK | — | ◇ UNVERIFIED |
| QSQuality Steel | Cleveland | MS | — | ◇ UNVERIFIED |
| QSQuality Steel Corporation- Fuel Storage Tank Manufacturing Plant | West Jordan | UT | — | ◇ UNVERIFIED |
| QTQuality Tool, INC. | Lewisville | TX | — | ◇ UNVERIFIED |
| QTQuality Tool - Plant 2 | Saint Paul | MN | — | ◇ UNVERIFIED |
| QTQuality Trailers Enterprise INC. | Salem | OH | — | ◇ UNVERIFIED |
| QRQual Run Building Materials | Phoenix | AZ | — | ◇ UNVERIFIED |
| QMQual-tech Mfg., INC | Westfield | MA | — | ◇ UNVERIFIED |
| QMQualtek Mfg., INC. (was Minco & Maxcor) | Colorado Springs | CO | — | ◇ UNVERIFIED |
| QIQualtool, INC. | Tavares | FL | — | ◇ UNVERIFIED |
| QVQuang Vo | San Jose | CA | — | ◇ UNVERIFIED |
| QMQuantech Manufacturing, INC | Valencia | CA | — | ◇ UNVERIFIED |
| QCQuantum CNC LLC | Monroe | MI | — | ◇ UNVERIFIED |
| QMQuantum Machining and Design, INC. | Fresno | CA | — | ◇ UNVERIFIED |
| QCQueen City Steel Treating Company | Cincinnati | OH | — | ◇ UNVERIFIED |
| QSQueen Screw and Mfg INC | Stow | MA | — | ◇ UNVERIFIED |
| QSQueenston Steel, LLC | Lewiston | NY | — | ◇ UNVERIFIED |
| QMQuest Manufacturing, Inc. | Spring Grove | IL | — | ◇ UNVERIFIED |
| QMQuest Metal Solutions | Fort Worth | TX | — | ◇ UNVERIFIED |
| QTQuest Technologies, INC. | Franklin | OH | — | ◇ UNVERIFIED |
| QFQuick Foils LLC | Montgomery | NY | — | ◇ UNVERIFIED |
| QTQuick Tek Machining, LLC | Paris | KY | — | ◇ UNVERIFIED |
| QTQuick Turn Engine Center, LLC (dba Ftai) | Miami | FL | — | ◇ UNVERIFIED |
| QTQuick Turn Precision Machining INC | Ogden | UT | — | ◇ UNVERIFIED |
| QMQuigley Manufacturing INC Dba Quigley Industries INC | Farmington Hills | MI | — | ◇ UNVERIFIED |
| QGQuinn's Goldsmith INC | Woodbridge | VA | — | ◇ UNVERIFIED |
| RHRachwal=Dickmann Holdings, Inc. | New Berlin | WI | — | ◇ UNVERIFIED |
| RIRack Industries, LLC | Midland | TX | — | ◇ UNVERIFIED |
| RWRack Works, INC. | Pilot Mountain | NC | — | ◇ UNVERIFIED |
| RIRadar Industries INC Warren Plt 12 | Warren | MI | — | ◇ UNVERIFIED |
| RIRad-Con Inc | Lakewood | OH | — | ◇ UNVERIFIED |
| RRadesigns | Turlock | CA | — | ◇ UNVERIFIED |
| RCRadius Concepts LLC | Cincinnati | OH | — | ◇ UNVERIFIED |
| RMRadke Machine & Tool, INC. | Hubbard | TX | — | ◇ UNVERIFIED |
| RLRadtech, LLC | Englewood | CO | — | ◇ UNVERIFIED |
| RHRafferty Holdings, LLC | Gainesville | FL | — | ◇ UNVERIFIED |
| RTRagan Technologies INC | San Diego | CA | — | ◇ UNVERIFIED |
| RFRage Fabrications LLC | Trumann | AR | — | ◇ UNVERIFIED |
| RIRage Industrial Solutions LLC | Houston | TX | — | ◇ UNVERIFIED |
| RRRagged Ridge Machining | Rathdrum | ID | — | ◇ UNVERIFIED |
 Rah Industries, INC. | Valencia | CA | — | ◇ UNVERIFIED |
| RMRAH Metal Inc. | Brentwood | NY | — | ◇ UNVERIFIED |
| RGRahn Gleason Manufacturing LLC | Oshkosh | WI | — | ◇ UNVERIFIED |
| RGRahn Gleason Manufacturing LLC | Manawa | WI | — | ◇ UNVERIFIED |
| RGRahn Gleason Manufacturing LLC | Oshkosh | WI | — | ◇ UNVERIFIED |
| RPRailings Plus, INC. | Bunnell | FL | — | ◇ UNVERIFIED |
| RSRailway Specialties CORP. | Croydon | PA | — | ◇ UNVERIFIED |
| RMRainbow Metals LLC | North Bend | OR | — | ◇ UNVERIFIED |
| RPRainbow Powder Coating | South Gate | CA | — | ◇ UNVERIFIED |
| RIRa Industries INC | Santa Ana | CA | — | ◇ UNVERIFIED |
| RGRain Gutter Supply INC. | Anaheim | CA | — | ◇ UNVERIFIED |
| RCRainville - Carlson INC | Annandale | MN | — | ◇ UNVERIFIED |
| RPRaise Praise INC Dba Tom Anderson Guitarworks | Newbury Park | CA | — | ◇ UNVERIFIED |
| RHRaiz Holdings LLC | Midland | TX | — | ◇ UNVERIFIED |
| RORajko Odalovic dba Genex Precision | Kendall | NY | — | ◇ UNVERIFIED |
| RHRajnish Humpal | Hayward | CA | — | ◇ UNVERIFIED |
| RGRaka General Sheet Metal, INC. | Bossier City | LA | — | ◇ UNVERIFIED |
| RGRaka General Sheet Metal, INC. | Shreveport | LA | — | ◇ UNVERIFIED |
| RPRalphs Pugh Company | Benicia | CA | — | ◇ UNVERIFIED |
| RWRalphs Wheel Polishing Inc | Pleasant Hill | OR | — | ◇ UNVERIFIED |
| RIRamac Industries, INC. | Erie | PA | — | ◇ UNVERIFIED |
| RSRamco Specialties | Hudson | OH | — | ◇ UNVERIFIED |
| RAR & a Mfg. Co., INC. | Coleman | WI | — | ◇ UNVERIFIED |
| RMRamirez Machine Shop | Carolina | PR | — | ◇ UNVERIFIED |
| RMRam Machine Products, LLC | Broken Arrow | OK | — | ◇ UNVERIFIED |
| RMRam Mounting Systems | Seattle | WA | — | ◇ UNVERIFIED |
| RDR & D Precision LLC | Lake Havasu City | AZ | — | ◇ UNVERIFIED |
| RPRam Precision Machining, INC. | Tucson | AZ | — | ◇ UNVERIFIED |
| RSRamsey & Son, INC. | Las Vegas | NV | — | ◇ UNVERIFIED |
| RHRams Head Properties, LLC | Albany | OR | — | ◇ UNVERIFIED |
| RGRancho Garcia Properties LLC | Madera | CA | — | ◇ UNVERIFIED |
| RMRancho Metal Polishing INC | Rancho Cucamonga | CA | — | ◇ UNVERIFIED |
| RIRanco Industries, Inc. | Houston | TX | — | ◇ UNVERIFIED |
| RMRandall May International | Irvine | CA | — | ◇ UNVERIFIED |
| RAR and D Finishing, INC | Adel | GA | — | ◇ UNVERIFIED |
| RAR and K Metal Finishing | Cerritos | CA | — | ◇ UNVERIFIED |
| RMRand Machine & Fabrication Company, LLC | Cheshire | CT | — | ◇ UNVERIFIED |
| RMRandolph Manufacturing, CORP. | Easton | PA | — | ◇ UNVERIFIED |
| RAR and R Metalworks INC Dba R-r Metalworks | Montgomery | MN | — | ◇ UNVERIFIED |
| RAR and R Performance, LLC | Cambridge | MN | — | ◇ UNVERIFIED |
| RTRandy's Termite & Pest Control | Waipahu | HI | — | ◇ UNVERIFIED |
| RFRAN Fab & Design LLC | Marysville | OH | — | ◇ UNVERIFIED |
| RPRange Precision INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| RMRanger Machining | Houston | TX | — | ◇ UNVERIFIED |
| RTRan Tech Engineering & Aerospace INC | Milwaukie | OR | — | ◇ UNVERIFIED |
| RDRapid Development Services, INC. | Saint Louis | MO | — | ◇ UNVERIFIED |
| RFRapid Fit INC | Chesterfield | MI | — | ◇ UNVERIFIED |
| RIRapid Industries | Los Angeles | CA | — | ◇ UNVERIFIED |
| RLRapid Line INC | Grand Rapids | MI | — | ◇ UNVERIFIED |
| RMRapid Mold Repair & Machine, INC | Akron | OH | — | ◇ UNVERIFIED |
| RPRapid Plating LLC | Sauk Rapids | MN | — | ◇ UNVERIFIED |
