| MWMaster Window Systems, INC. | Atlanta | GA | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| MHMastic Home Exteriors, INC. | Sidney | OH | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| MAM & a Windows, INC. | Lake Worth | FL | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| MDMckendry Door Sales INC | Los Angeles | CA | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| MSMCM Skylights LLC | Garland | TX | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| MIMcwi INC. | Jamaica | NY | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| MGMetal & Glass Solutions CORP. | Brooklyn | NY | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| MFMetalline Fire Door Co., INC. | Bronx | NY | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| MPMetal Pro Group Inc | Dover | NJ | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| MPMetal Pro Industries INC | Valencia | CA | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| MSMetal Spray Painting, INC. | Coral Springs | FL | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| MIMgm Industries Incorporated | Hendersonville | TN | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| MWMgm Window CO INC | Hendersonville | TN | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| MWMiami Wall Systems, INC. | Hialeah | FL | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| MDMichael D. Schoeneman | Rancho Cordova | CA | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| MGMidland Garage Door Manufacturing Company | West Fargo | ND | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| MCMidwest Curtainwalls | Cuyahoga Heights | OH | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| MFMidwest Fabrication & Welding, LLC | Tipton | IA | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| MMMidwest Manufacturing | Holiday City | OH | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| MWMidwest Window and Door | Springfield | MO | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| MBMilco Building Products, INC. | Swainsboro | GA | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| MMMilgard Mfg INC | Tacoma | WA | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| MDMillennium Doors and Windows Inc | Isabela | PR | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| MDMillennium Doors and Windows Inc. | Isabela | PR | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| MMMilliken Millwork INC | Sterling Heights | MI | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| MMMiramar Mfg, INC. | Ventura | CA | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| MSM&K Screens LLC | North Las Vegas | NV | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| MDModern Door Corportation | Walkerton | IN | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| MWMonda Window & Door, CORP. | Chicago | IL | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| MWMontgomery Window Products Co. | Frederick | MD | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| MSMoss Supply Company | Charlotte | NC | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| MCMross Company LLC | Eugene | OR | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| MCMross Company LLC | Eugene | OR | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| MBMsd Building Corporation | Houston | TX | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| MAMtd America LTD (llc) | Atlanta | GA | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| NGNational Glass Company INC | Dover | TN | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| NGNational Guard Products INC | Memphis | TN | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| NGNci Group, INC. | Douglasville | GA | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| NCNew Cingular Wireless Pcs, At&t Mobility | Coachella | CA | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| NENew England Sheet Metal & Mechanical CO | Fresno | CA | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| NWNewman Windows & Doors INC. | West Palm Beach | FL | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| NDNext Door Company | Miami | FL | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| NDNext Door Company | Hialeah | FL | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| NANieves Aluminum Doors & Windows INC | Quebradillas | PR | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| NMNorco Manufacturing Corporation | Franksville | WI | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| NMNorco Mfg | Franksville | WI | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| NCNordpal Corporation | West Fargo | ND | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| NINorplas Industries, INC. | Toledo | OH | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| NSNorth Star Screen Systems INC | Burnsville | MN | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| OO'keeffe's | Merced | CA | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
