| JWJack Walters & Sons, CORP. | Eau Claire | WI | — | ◇ UNVERIFIED |
| JSJameson Steel Fabrication, INC. | Oakwood | IL | — | ◇ UNVERIFIED |
 Jamison Door Company | Williamsport | MD | — | ◇ UNVERIFIED |
| JAJawor Acquisition Co. | Norton Shores | MI | — | ◇ UNVERIFIED |
| JEJax Enterprises, LLC | Jacksonville | FL | — | ◇ UNVERIFIED |
| JCJbt Corporation | Ogden | UT | — | ◇ UNVERIFIED |
| JSJemstad Services, INC. | Augusta | GA | — | ◇ UNVERIFIED |
| JIJenisys Incorporated | Hanover Township | PA | — | ◇ UNVERIFIED |
| JMJ.i.g. Machine Works, INC. | New Iberia | LA | — | ◇ UNVERIFIED |
| JKJ Kozel & Sons, INC. | Rochester | NY | — | ◇ UNVERIFIED |
| JCJL Components, LLC | Kansas City | MO | — | ◇ UNVERIFIED |
| JLJ L Walter & Associates Incorporated | Indianapolis | IN | — | ◇ UNVERIFIED |
| JLJohn L Conley INC | Hughson | CA | — | ◇ UNVERIFIED |
| JLJohn L Conley INC Dba Conley's Manufacturing & Sales | Montclair | CA | — | ◇ UNVERIFIED |
| JMJohn M Booten INC. | Fort Myers | FL | — | ◇ UNVERIFIED |
| JMJohn Muir Nhs | Martinez | CA | — | ◇ UNVERIFIED |
| JTJohnson Thermal Systems | Caldwell | ID | — | ◇ UNVERIFIED |
| JLJose Luis Rivera | Galveston | TX | — | ◇ UNVERIFIED |
| JLJ.p. Lamborn CO. | Lakeland | FL | — | ◇ UNVERIFIED |
| KSKaiser Steel Building LLC | Eugene | OR | — | ◇ UNVERIFIED |
| KWKarl W Schmidt & Assoc INC | Commerce City | CO | — | ◇ UNVERIFIED |
| KFKaso Fab & Repair, LLC | Panama City | FL | — | ◇ UNVERIFIED |
| KBKD Buyer LLC | Chicago | IL | — | ◇ UNVERIFIED |
| KMKnarr Metal Building Systems LLC | Sykesville | MD | — | ◇ UNVERIFIED |
| KPKnight Precision Inc | Andover | MN | — | ◇ UNVERIFIED |
| KPKonstant Products, INC. | Rolling Meadows | IL | — | ◇ UNVERIFIED |
| KCKoontz-wagner Caldwell | Caldwell | ID | — | ◇ UNVERIFIED |
| KIK-pel Industrial Services, INC. | Nashville Plt | ME | — | ◇ UNVERIFIED |
| KSK & S Ironworks | Middletown | DE | — | ◇ UNVERIFIED |
| LCLakeland CO of Barron County INC | Cumberland | WI | — | ◇ UNVERIFIED |
| LMLanson Metal LLC | Grandview | TX | — | ◇ UNVERIFIED |
| LFLeed Fabrication Services, INC | Brighton | CO | — | ◇ UNVERIFIED |
| LBLegacy Building Supply LLC | North Okaw | IL | — | ◇ UNVERIFIED |
| LSLegacy Steel Fabrication LLC | Amherst | WI | — | ◇ UNVERIFIED |
 Leonard Aluminum Utility Buildings, LLC | Mount Airy | NC | — | ◇ UNVERIFIED |
| Leonard Aluminum Utility Buildings, LLC | Mount Airy | NC | — | ◇ UNVERIFIED |
| LDLesco Design & Manufacturing CO INC | La Grange | KY | — | ◇ UNVERIFIED |
| LSLink Staffing Services | Cedar Hill | TX | — | ◇ UNVERIFIED |
| LTLiquid Tech Tank Systems, INC. | Millsboro | DE | — | ◇ UNVERIFIED |
| LKL.l. Klink & Sons INC. | Carpinteria | CA | — | ◇ UNVERIFIED |
| LSLogan's Steel Buildings, INC. | Sayre | OK | — | ◇ UNVERIFIED |
| LSLone Star Steel & Supply | Mcallen | TX | — | ◇ UNVERIFIED |
| LBLudwig Buildings Enterprises, LLC | Harahan | LA | — | ◇ UNVERIFIED |
| MMMagic Messenger INC | Buena Park | CA | — | ◇ UNVERIFIED |
| MUMaricorp US | Demopolis | AL | — | ◇ UNVERIFIED |
| MUMaricorp U.s., LLC | North Little Rock | AR | — | ◇ UNVERIFIED |
| MUMaricorp U.s., LLC | Little Rock | AR | — | ◇ UNVERIFIED |
| MUMaricorp Us, LLC | Shell Knob | MO | — | ◇ UNVERIFIED |
| MDMarine Development, INC. | Eufaula | OK | — | ◇ UNVERIFIED |
| MCMARSfarm Corporation | Overland | MO | — | ◇ UNVERIFIED |
| MEMarshall Erdman & Assoc | Waunakee | WI | — | ◇ UNVERIFIED |
| MBMartin Bros | Vallejo | CA | — | ◇ UNVERIFIED |
| MAMartins Appliance Warehouse | West Earl, Township of | PA | — | ◇ UNVERIFIED |
| MSMassey Steel Structures, LLC | Atlanta | GA | — | ◇ UNVERIFIED |
| MCMasterwork Components Inc | Kalispell | MT | — | ◇ UNVERIFIED |
| MDMaverick Development, INC. | Cotter | AR | — | ◇ UNVERIFIED |
| MMbci | Converse | TX | — | ◇ UNVERIFIED |
| MWMccandless Waimalu Properties LLC | Honolulu | HI | — | ◇ UNVERIFIED |
| MMMcelroy Metal Mill, INC. | Clinton | IL | — | ◇ UNVERIFIED |
| MMMcelroy Metal Mill, INC. | Alexandria | LA | — | ◇ UNVERIFIED |
| MMMcelroy Metal Mill INC Dba Mcelroy Metal | Adelanto | CA | — | ◇ UNVERIFIED |
| MPMdm Products, LLC | Milford | CT | — | ◇ UNVERIFIED |
| MCMedea Corporation | Ormond Beach | FL | — | ◇ UNVERIFIED |
| MMMeehleis Modular Buildings INC | Lodi | CA | — | ◇ UNVERIFIED |
| MAMerrillville Awnings LLC | Merrillville | IN | — | ◇ UNVERIFIED |
| MMMesco Metal Buildings | Southlake | TX | — | ◇ UNVERIFIED |
| MBMetal Building Masters, LLC | Mount Airy | NC | — | ◇ UNVERIFIED |
| MBMetal Building Products, Inc., Dba Spirco Manufacturing | Memphis | TN | — | ◇ UNVERIFIED |
| MBMetal Building Services | Ardmore | OK | — | ◇ UNVERIFIED |
| MBMetal Building Services, LLC | Semmes | AL | — | ◇ UNVERIFIED |
| MDMetal Design Systems, Inc. | Anamosa | IA | — | ◇ UNVERIFIED |
| MFMetal Framing Industries LLC | Valley View | OH | — | ◇ UNVERIFIED |
| MFMetal Framing Industries LLC | Cleveland | OH | — | ◇ UNVERIFIED |
| MIMetal Impressions, Inc. | Pittsboro | NC | — | ◇ UNVERIFIED |
| MMMetal Mart | La Grange | TX | — | ◇ UNVERIFIED |
| MRMetal Roofing Center & Supply | Punta Gorda | FL | — | ◇ UNVERIFIED |
| MDMetals Direct INC | Redding | CA | — | ◇ UNVERIFIED |
| MIMetfab, INC. | Houston | TX | — | ◇ UNVERIFIED |
| MAMetl-span a Division of Nci Group INC | Mattoon | IL | — | ◇ UNVERIFIED |
| MAMetl-span a Div of Nci Group INC | Jackson | MS | — | ◇ UNVERIFIED |
| MRMG Repair Services, Inc | Opa Locka | FL | — | ◇ UNVERIFIED |
| MMMisa Metal Fabricating INC | Pleasure Ridge Park | KY | — | ◇ UNVERIFIED |
| MIMish-Ra, Inc. | Santa Clara | CA | — | ◇ UNVERIFIED |
| MMMobile Mini, INC | Carson | CA | — | ◇ UNVERIFIED |
| MMMobile Mini - Maricopa Manufacturing Facility | Maricopa | AZ | — | ◇ UNVERIFIED |
| MMMobile Mini Storage Systems | Rialto | CA | — | ◇ UNVERIFIED |
| MIMods International | Appleton | WI | — | ◇ UNVERIFIED |
| MFModular Fabrication Incorporated | Dayton | OH | — | ◇ UNVERIFIED |
| MMModular Mini Storage INC | Tualatin | OR | — | ◇ UNVERIFIED |
| MIMonitor INC | Sherman | TX | — | ◇ UNVERIFIED |
 Morton Buildings | Cooperstown | NY | — | ◇ UNVERIFIED |
| Morton Buildings INC. | Morton | IL | — | ◇ UNVERIFIED |
| MOMsw Ornamental Fabricators, INC. | Memphis | TN | — | ◇ UNVERIFIED |
| MIMueller INC | Abilene | TX | — | ◇ UNVERIFIED |
| MIMueller, INC. | Port Allen | LA | — | ◇ UNVERIFIED |
| MSMyrmo & Son, INC. | Tucson | AZ | — | ◇ UNVERIFIED |
| NSNational Steel Products CO | Houston | TX | — | ◇ UNVERIFIED |
| NBNci Building Sys L P | Mattoon | IL | — | ◇ UNVERIFIED |
| NBNci Building Systems | Tallapoosa | GA | — | ◇ UNVERIFIED |
| NBNci Building Systems | Atwater | CA | — | ◇ UNVERIFIED |
