 Leonard Aluminum Utility Buildings, INC. Dba Leona | Mount Airy | NC | — | ◇ UNVERIFIED |
| LSLiberty Steel Fabricating INC | Saint Joseph | MI | — | ◇ UNVERIFIED |
| LWLight Weight Manufacturing | Allentown | PA | — | ◇ UNVERIFIED |
| LLL & L Custom Millwork LLC | Central Point | OR | — | ◇ UNVERIFIED |
| LML & M Precision Fabrication | Airway Heights | WA | — | ◇ UNVERIFIED |
| LDLusive Decor | Los Angeles | CA | — | ◇ UNVERIFIED |
| LCLustre Cal Nameplate Corporation | Lodi | CA | — | ◇ UNVERIFIED |
| MMMak Metals INC | Dallas | OR | — | ◇ UNVERIFIED |
| MIMap Industries, INC. | Clarksville | TN | — | ◇ UNVERIFIED |
| MWMason Ways Indestructible Plastics, LLC | West Palm Beach | FL | — | ◇ UNVERIFIED |
| MCMaster Composites INC | Henning | MN | — | ◇ UNVERIFIED |
| MSMcarthur Sheet Metal Works Company | South Sioux City | NE | — | ◇ UNVERIFIED |
| MMMc Metalfab INC | Lino Lakes | MN | — | ◇ UNVERIFIED |
| MCMetal Coating - Mfg CO INC | Isanti | MN | — | ◇ UNVERIFIED |
| MIMetal Integrity LLC | Carbondale | PA | — | ◇ UNVERIFIED |
| MLMetposite LLC | Hubbard | OR | — | ◇ UNVERIFIED |
| MMMicron Metalworks | Ham Lake | MN | — | ◇ UNVERIFIED |
| MEMidland Equipment CO | Lakeville | MN | — | ◇ UNVERIFIED |
| MGMidland Glass CO INC | Hopkins | MN | — | ◇ UNVERIFIED |
| MMMidland Manufacturing Company, INC. | Monroe | IA | — | ◇ UNVERIFIED |
| MEMissouri Equipment Company | Saint Louis | MO | — | ◇ UNVERIFIED |
| MEMohr Engineering | Brighton | MI | — | ◇ UNVERIFIED |
| MCMolding Corporation of America | Pacoima | CA | — | ◇ UNVERIFIED |
| MBMonterey Bay Rebar, INC. | Watsonville | CA | — | ◇ UNVERIFIED |
| MPMp Products LLC | Stoughton | MA | — | ◇ UNVERIFIED |
| MSMwd Steel Fabrication | Lincoln | NE | — | ◇ UNVERIFIED |
| NTNaag Tag INC | West Jordan | UT | — | ◇ UNVERIFIED |
| NGNelson Grinding | Fullerton | CA | — | ◇ UNVERIFIED |
| NPNelson Plastics, INC. | Longwood | FL | — | ◇ UNVERIFIED |
| NPNevada Precision Sheet Metal, INC. | Las Vegas | NV | — | ◇ UNVERIFIED |
| NCNew Com Metal Products CORP | Randolph | MA | — | ◇ UNVERIFIED |
| NHNew Hampshire Precision Fabricators INC. | Londonderry | NH | — | ◇ UNVERIFIED |
| NTNorth Topeka Fabrication, LLC | Topeka | KS | — | ◇ UNVERIFIED |
| OWOehlers Welding and Fabrication, INC. | Buffalo | NY | — | ◇ UNVERIFIED |
| OEOnex Enterprises CORP | Duarte | CA | — | ◇ UNVERIFIED |
| OSOscar S Field INC | Ashland | VA | — | ◇ UNVERIFIED |
| OMOverkill Motorsports, INC. | Dallas | TX | — | ◇ UNVERIFIED |
| OPOzark Plastics Products INC. | Neosho | MO | — | ◇ UNVERIFIED |
| PWPacific Westline, INC. | Anaheim | CA | — | ◇ UNVERIFIED |
| PMParadis Metalworks LLC | Attleboro Falls | MA | — | ◇ UNVERIFIED |
| PPParra Plastic, INC | Miami | FL | — | ◇ UNVERIFIED |
| PIPinnacle Industrial Enterprises | Bowling Green | OH | — | ◇ UNVERIFIED |
| PCPivot Corporation | Canton | GA | — | ◇ UNVERIFIED |
| PWPlacer Water Works | Olivehurst | CA | — | ◇ UNVERIFIED |
| PCPlastic Composites CO | Fort Wayne | IN | — | ◇ UNVERIFIED |
| PIPlastics, INC | Idaho Falls | ID | — | ◇ UNVERIFIED |
| POPlenums of Florida INC | Pinellas Park | FL | — | ◇ UNVERIFIED |
| PMPmi - Mpc LLC | Woonsocket | RI | — | ◇ UNVERIFIED |
| PPPortage Plastics Corporation | Portage | WI | — | ◇ UNVERIFIED |
| PIPrecision Industries INC | Broomfield | CO | — | ◇ UNVERIFIED |
| PLPrecision Letter CORP | Manchester | NH | — | ◇ UNVERIFIED |
| PSPrecision Solutions INC. | Richmond | UT | — | ◇ UNVERIFIED |
| PTPrecision Technology, INC. | Las Cruces | NM | — | ◇ UNVERIFIED |
 Precision Waterjet and Laser | Placentia | CA | — | ◇ UNVERIFIED |
| PCPremium Contractor Solution, LLC | Moraine | OH | — | ◇ UNVERIFIED |
| PEProduct Engineering Corporation | Torrance | CA | — | ◇ UNVERIFIED |
| PPProfile Plastics, INC. | Canton | OH | — | ◇ UNVERIFIED |
| PXProfile Xtrusions LLC | Neenah | WI | — | ◇ UNVERIFIED |
| PCProtect Controls, INC. | Conroe | TX | — | ◇ UNVERIFIED |
| QAQuality Aerospace Coating, LLC | Lakeland | FL | — | ◇ UNVERIFIED |
| QCQuality Custom Molding, LLC | Linn | MO | — | ◇ UNVERIFIED |
| QIQuality Industries, LLC | Hartwell | GA | — | ◇ UNVERIFIED |
 Quality Machine & Fabrication, INC. | La Fayette | GA | — | ◇ UNVERIFIED |
| RURacks Unlimited, INC | Sylmar | CA | — | ◇ UNVERIFIED |
| RPRam Plastics CO. | North Lima | OH | — | ◇ UNVERIFIED |
 Rapid Manufacturing INC. | Powhatan | VA | — | ◇ UNVERIFIED |
| RMR-d Manufacturing, INC. | East Lyme | CT | — | ◇ UNVERIFIED |
| RSReal Steel Fabricators INC | Nashville | TN | — | ◇ UNVERIFIED |
| RLRecherche LLC Dba All My Walls | Pine River | MN | — | ◇ UNVERIFIED |
| RPReproccessed Plastics, INC. | Garfield | MN | — | ◇ UNVERIFIED |
| RLR-interests, LLC | Muenster | TX | — | ◇ UNVERIFIED |
| RMRisa Management CORP. | New Lebanon | NY | — | ◇ UNVERIFIED |
| RMR.k. Manufacturing | Ridgeland | MS | — | ◇ UNVERIFIED |
| RMRobbins Manufacturing INC | Fall River | WI | — | ◇ UNVERIFIED |
| RSRoll Service Industries, LLC | Dover | NH | — | ◇ UNVERIFIED |
| RIRomak Iron Works | Benicia | CA | — | ◇ UNVERIFIED |
| RFRooks Fabrication, LLC | Tulsa | OK | — | ◇ UNVERIFIED |
| RMRoyal Manufacturing Industries LLC | Santa Ana | CA | — | ◇ UNVERIFIED |
| RMRuff Manufacturing INC | Farmington | MN | — | ◇ UNVERIFIED |
| SCSajawi Corporation | Littleton | MA | — | ◇ UNVERIFIED |
| SRSanta Rosa Stainless Steel | Santa Rosa | CA | — | ◇ UNVERIFIED |
| SCSanz Clima Dba Kenway Engineering | Fairmont | MN | — | ◇ UNVERIFIED |
| SLScathain LLC | Milwaukee | WI | — | ◇ UNVERIFIED |
| SPScientific Plastics, INC. | Kansas City | KS | — | ◇ UNVERIFIED |
| SCSeachrome Corporation | Carson | CA | — | ◇ UNVERIFIED |
| SRSeal Reinforced Fiberglass INC | Copiague | NY | — | ◇ UNVERIFIED |
| SPSemco Plastic Company | Saint Louis | MO | — | ◇ UNVERIFIED |
| SLSeroge L.t. | Riverside | CA | — | ◇ UNVERIFIED |
| SMService Manufacturing Group, INC. | Buffalo | NY | — | ◇ UNVERIFIED |
| SMSierra Metals INC | Saint Paul | MN | — | ◇ UNVERIFIED |
| SFSmg Fab, INC. | Leola | PA | — | ◇ UNVERIFIED |
| STSmk Tri Cities INC | Pasco | WA | — | ◇ UNVERIFIED |
| SISonju Industrial, INC | Kalispell | MT | — | ◇ UNVERIFIED |
| SPSpecialty Plastic Fabricators INC. | Mokena | IL | — | ◇ UNVERIFIED |
| SMSpringboard Manufacturing Dba Northern California Injection Molding | Rancho Cordova | CA | — | ◇ UNVERIFIED |
| SCSt Clair Packaging INC | Marysville | MI | — | ◇ UNVERIFIED |
| SCSt. Croix Custom Fabrication, INC. | Hudson | WI | — | ◇ UNVERIFIED |
| SLSteel-plus, LLC | Ider | AL | — | ◇ UNVERIFIED |
| STSteel Tech Enterprises INC | Canby | OR | — | ◇ UNVERIFIED |
| STStockdale Technologies, INC. | Lake Mary | FL | — | ◇ UNVERIFIED |
