| MMMerco Marine | Wellsburg | WV | — | ◇ UNVERIFIED |
| MPMercury Plastics, INC. | Los Angeles | CA | — | ◇ UNVERIFIED |
| MPMercury Plastics, INC Dba Felpak | Chicago | IL | — | ◇ UNVERIFIED |
| MSMercury Signs CORP | Denver | CO | — | ◇ UNVERIFIED |
| MCMergon Corporation | Anderson | SC | — | ◇ UNVERIFIED |
| MPMeridian Precision INC | Pine Grove | PA | — | ◇ UNVERIFIED |
| MPMeridian Products Corporation (360 Toll and Design) | Dallas | TX | — | ◇ UNVERIFIED |
| MPMesquite Plant | Mesquite | TX | — | ◇ UNVERIFIED |
| MAMetal Art of California INC Dba Sign-mart Plastics Plus | Orange | CA | — | ◇ UNVERIFIED |
| MCMetal Coaters California | Rancho Cucamonga | CA | — | ◇ UNVERIFIED |
| MCMetal Coaters of Ga Ii; Nci Group LP | Marietta | GA | — | ◇ UNVERIFIED |
 Metal Coatings - Sand Blasting and Painting Operation | Magna | UT | — | ◇ UNVERIFIED |
| MFMetal Finishers INC | Saint Paul | MN | — | ◇ UNVERIFIED |
| MFMetal Finishing Solutions | Santa Clara | CA | — | ◇ UNVERIFIED |
| MIMetal Improvement Company | New Brighton | MN | — | ◇ UNVERIFIED |
| MGMetalplate Galvanizing L P | Atlanta | GA | — | ◇ UNVERIFIED |
| MPMetal Polishing By Timothy INC | Portland | OR | — | ◇ UNVERIFIED |
| MPMetal Processing International, LLP. | Mission | TX | — | ◇ UNVERIFIED |
| MPMetal Profies nad Plastics | Mission | TX | — | ◇ UNVERIFIED |
| MSMetal Spray Painting | Fort Lauderdale | FL | — | ◇ UNVERIFIED |
| MUMetalspray Usa, INC | Newton | AL | — | ◇ UNVERIFIED |
| MSMetalworking Solutions, INC. D/b/a Tru-coat Powder Coating | Chattanooga | TN | — | ◇ UNVERIFIED |
| MPMetalworks Paint & Rust Removal INC | Eugene | OR | — | ◇ UNVERIFIED |
| MIMetcoat, INC. | Duncan | OK | — | ◇ UNVERIFIED |
| MAMethod Associates Inc | Keyport | NJ | — | ◇ UNVERIFIED |
| MIMET Investments, LLC | Mishawaka | IN | — | ◇ UNVERIFIED |
| MCMetokote CORP | Eaton Rapids | MI | — | ◇ UNVERIFIED |
| MCMetokote Corporation - Fort Wayne | Fort Wayne | IN | — | ◇ UNVERIFIED |
| MCMetokote Corporation, Plant 20 | Grand Blanc | MI | — | ◇ UNVERIFIED |
| MEM E T Plastics, INC. | Elk Grove Village | IL | — | ◇ UNVERIFIED |
| MMMetro Mold & Design LLC - Building 4 | Rogers | MN | — | ◇ UNVERIFIED |
| MSMetro Sign Corporation | Broken Arrow | OK | — | ◇ UNVERIFIED |
| MSMetro Sign & Design INC | Manassas Park | VA | — | ◇ UNVERIFIED |
| MSMeyer Sign CO. of Oregon | Tigard | OR | — | ◇ UNVERIFIED |
| MSMeyer Sign CO of Oregon INC | Bend | OR | — | ◇ UNVERIFIED |
| MSMeyer Sign CO of Oregon INC | Sandy | OR | — | ◇ UNVERIFIED |
| MSMeyers Sheet Metal Box, INC | San Francisco | CA | — | ◇ UNVERIFIED |
| MHMfb Holdings, LLC | Rollinsford | NH | — | ◇ UNVERIFIED |
| MIMFLD Inc. | Liberty | MO | — | ◇ UNVERIFIED |
| MCMfn Consulting INC Dba Designer Selections | Saint Paul | MN | — | ◇ UNVERIFIED |
| MGM Graphics & Signs | Sandy | UT | — | ◇ UNVERIFIED |
| MGMgs Group North America INC | Germantown | WI | — | ◇ UNVERIFIED |
| MHM & H Signs | Westbrook | ME | — | ◇ UNVERIFIED |
| MSMiami Signs Corp. | Hialeah | FL | — | ◇ UNVERIFIED |
| MPMicalline Products INC | Columbia | SC | — | ◇ UNVERIFIED |
| MAMichael Anthony Sign Design, INC. | Avenel | NJ | — | ◇ UNVERIFIED |
| MDMichael Day Enterprises, LLC | Wadsworth | OH | — | ◇ UNVERIFIED |
| MEMichael E. Murphy and Erica L. Murphy Living Trust | Trabuco Canyon | CA | — | ◇ UNVERIFIED |
| MEMichener's Engraving, Inc. | Ephrata | PA | — | ◇ UNVERIFIED |
| MHMichigan Highway Signs | Flint | MI | — | ◇ UNVERIFIED |
