| MDMarquis Dental Mfg CO INC | Aurora | CO | — | ◇ UNVERIFIED |
 Marsam Metal Finishing | New Britain | CT | — | ◇ UNVERIFIED |
| MPMarsh Plating CO | Buffalo | NY | — | ◇ UNVERIFIED |
| MMMartin Metal Specialties | Philadelphia | PA | — | ◇ UNVERIFIED |
| MIMarx Industries INC | Sawmills | NC | — | ◇ UNVERIFIED |
| MPMasbro Polishing Company | Pawtucket | RI | — | ◇ UNVERIFIED |
| MCMasse Circuit CO | Methuen | MA | — | ◇ UNVERIFIED |
| MBMaster Blasters | Beaverdam | OH | — | ◇ UNVERIFIED |
| MMMastercraft Metal Finishing INC | Seattle | WA | — | ◇ UNVERIFIED |
| MPMaster Plating | San Diego | CA | — | ◇ UNVERIFIED |
| MPMaster Printing INC | Carlstadt | NJ | — | ◇ UNVERIFIED |
| MTMatco Tools | Lakewood | NY | — | ◇ UNVERIFIED |
| MTMaterials Technology INC | Somerset | NJ | — | ◇ UNVERIFIED |
| MBMaterion Brush INC | Fremont | CA | — | ◇ UNVERIFIED |
| MMMathy Machine INC | Santee | CA | — | ◇ UNVERIFIED |
 Matrix Machine and Repair INC. | Jacksonville | FL | — | ◇ UNVERIFIED |
| MPMatthews Plating INC | Jackson | MI | — | ◇ UNVERIFIED |
| MCMauell Corporation-utility Room | Dillsburg | PA | — | ◇ UNVERIFIED |
| MMMaxcor Manufacturing INC | Colorado Springs | CO | — | ◇ UNVERIFIED |
| MVMay-wilbert Vault-pt Huron | Port Huron | MI | — | ◇ UNVERIFIED |
| MIMccullough Industries | Kenton | OH | — | ◇ UNVERIFIED |
| MAMcgill Air Flow LLC | Bennington | VT | — | ◇ UNVERIFIED |
| MDMcgill Development Corporation | Westerville | OH | — | ◇ UNVERIFIED |
| MIMcgill INC | Marengo | IL | — | ◇ UNVERIFIED |
| MMMckinstry Metal Works INC. | Chicopee | MA | — | ◇ UNVERIFIED |
| MMMcmillan Mechanical & Machine Co., INC. | Shreveport | LA | — | ◇ UNVERIFIED |
| MEMcstowe Engineering | East Bridgewater | MA | — | ◇ UNVERIFIED |
| MSMd Stainless Services INC | Downey | CA | — | ◇ UNVERIFIED |
| MFMeadville Forging CO | Cambridge Springs | PA | — | ◇ UNVERIFIED |
| MTMeca & Technology Machine INC | Green Bay | WI | — | ◇ UNVERIFIED |
| MPMedford Plating INC | Medford | OR | — | ◇ UNVERIFIED |
| MIMedicote, INC. | Bristol | RI | — | ◇ UNVERIFIED |
| MBMedina Blanking INC. | Valley City | OH | — | ◇ UNVERIFIED |
| MPMedina Plating CORP Plant 2 | Medina | OH | — | ◇ UNVERIFIED |
| MCMedin CORP | Totowa | NJ | — | ◇ UNVERIFIED |
| MMMegawatt Machine Services | Somerset | NJ | — | ◇ UNVERIFIED |
| MBMel Bernie & CO INC | Burbank | CA | — | ◇ UNVERIFIED |
| MMMeminger Metal Finishing INC | Aledo | IL | — | ◇ UNVERIFIED |
| MAMercury Aircraft Bath Plant | Bath | NY | — | ◇ UNVERIFIED |
| MAMercury Aircraft INC | Hammondsport | NY | — | ◇ UNVERIFIED |
| MMMercury Manufacturing Company | Wyandotte | MI | — | ◇ UNVERIFIED |
| MMMerit Metal Finishing Company, INC. | Bridgeport | CT | — | ◇ UNVERIFIED |
| MIMeritor Industrial Products LLC | Chicago | IL | — | ◇ UNVERIFIED |
| MSMerit Specialities-merit Specialities | Saint Louis | MO | — | ◇ UNVERIFIED |
| MBMetal Bellows Corporation | Moorpark | CA | — | ◇ UNVERIFIED |
| MCMetal Components INC | Paterson | NJ | — | ◇ UNVERIFIED |
| MCMetal Components INC | Wyoming | MI | — | ◇ UNVERIFIED |
| MCMetal Craft Engineering | Fenwick | WV | — | ◇ UNVERIFIED |
| MCMetal Crafters | Ronkonkoma | NY | — | ◇ UNVERIFIED |
| MMetalcrafters | Simi Valley | CA | — | ◇ UNVERIFIED |
| MTMetalcraft Technologies INC. | Cedar City | UT | — | ◇ UNVERIFIED |
| MCMetal Cutting CORP | Cedar Grove | NJ | — | ◇ UNVERIFIED |
| MIMetal-fab INC | Champaign | IL | — | ◇ UNVERIFIED |
| MFMetal Finishing CO | Passaic | NJ | — | ◇ UNVERIFIED |
| MFMetal Finishing Incorporated | Marysville | WA | — | ◇ UNVERIFIED |
| MFMetal Forming Industries INC | Russellville | IN | — | ◇ UNVERIFIED |
 Metal Industries, INC. | Marion | NC | — | ◇ UNVERIFIED |
| MBMetallic Bonds LTD | Beloit | WI | — | ◇ UNVERIFIED |
| MMMetal Masters of North Florida INC | Jacksonville | FL | — | ◇ UNVERIFIED |
| MIMetalogic Industries LLC | Southbridge | MA | — | ◇ UNVERIFIED |
 Metalor Technologies USA | Port Huron | MI | — | ◇ UNVERIFIED |
| MPMetal Processors INC | Jackson | MS | — | ◇ UNVERIFIED |
| MRMetal Recovery Sys INC | Saint Louis | MO | — | ◇ UNVERIFIED |
| MUMetals USA Mobile | Mobile | AL | — | ◇ UNVERIFIED |
| MIMetaltech Industries INC | Longmont | CO | — | ◇ UNVERIFIED |
| MTMetal Touch Plating and Bumper Exchange | San Antonio | TX | — | ◇ UNVERIFIED |
| MMetalution | Holland | MI | — | ◇ UNVERIFIED |
| MIMet-cycle INC | Middlesex | NJ | — | ◇ UNVERIFIED |
| MCMetform CORP | Savanna | IL | — | ◇ UNVERIFIED |
| MLMetform LLC | Mount Carroll | IL | — | ◇ UNVERIFIED |
| MPMetro Plating and Polishing Group INC. | Kensington | MD | — | ◇ UNVERIFIED |
| MPMetro Plating INC | Mesa | AZ | — | ◇ UNVERIFIED |
| MPMetso Paper USA Inc/clarks Summit Svc Ctr | Clarks Summit | PA | — | ◇ UNVERIFIED |
| MAMfs Arz | Phoenix | AZ | — | ◇ UNVERIFIED |
| MGM & G Duravent INC | Vacaville | CA | — | ◇ UNVERIFIED |
| MTMgk Technologies INC | Homer City | PA | — | ◇ UNVERIFIED |
| MGMic Group | Brenham | TX | — | ◇ UNVERIFIED |
| MAMichael Anthony Jewelers Incorporated | Mount Vernon | NY | — | ◇ UNVERIFIED |
| MCMichigan Chrome & Chemical Company | Detroit | MI | — | ◇ UNVERIFIED |
| MIMicrobest INC | Waterbury | CT | — | ◇ UNVERIFIED |
| MIMicrofabrica INC | Van Nuys | CA | — | ◇ UNVERIFIED |
| MCMicrofin CORP | Providence | RI | — | ◇ UNVERIFIED |
| MOMicromatic Operations INC | Berne | IN | — | ◇ UNVERIFIED |
| MMMicron Manufacturing CO | Grand Rapids | MI | — | ◇ UNVERIFIED |
| MPMicro Platers Sales ( Dba Hajjar Plating Service) | Wayne | MI | — | ◇ UNVERIFIED |
| MMMicro-poise Measurements Systems LLC (1667080054) | Streetsboro | OH | — | ◇ UNVERIFIED |
| MMicrosemi | Scottsdale | AZ | — | ◇ UNVERIFIED |
| MAMid America Plating | Denver | CO | — | ◇ UNVERIFIED |
| MMMiddletown Metal Works, INC. | Berea | KY | — | ◇ UNVERIFIED |
| MDMi Dept/natural Resources and Environment | Paw Paw | MI | — | ◇ UNVERIFIED |
| MMMidland Metals Products | Chicago | IL | — | ◇ UNVERIFIED |
| MBMid-south Bolt & Screw CO INC | Nashville | TN | — | ◇ UNVERIFIED |
| MFMid-south Fabrications INC | Jemison | AL | — | ◇ UNVERIFIED |
| MSMid South Plating | Wedowee | AL | — | ◇ UNVERIFIED |
| MMMidstate Manufacturing | Galesburg | IL | — | ◇ UNVERIFIED |
| MVMid Valley Anodizing | Burbank | CA | — | ◇ UNVERIFIED |
| MSMidwestern Steel Fabricators Chicago LLC | Hammond | IN | — | ◇ UNVERIFIED |
| MIMidwest Industrial Metals | Northlake | IL | — | ◇ UNVERIFIED |
| MPMidwest Plating CO INC | Saint Louis | MO | — | ◇ UNVERIFIED |
| MTMidwest Tankworks a Div Mississippi Tank CO | Vincennes | IN | — | ◇ UNVERIFIED |
