| BMB&c Metals Enterprise INC. | Medley | FL | — | ◇ UNVERIFIED |
| BPBeechcraft Products, Inc. | Durand | MI | — | ◇ UNVERIFIED |
| BIBell-view, INC. | Wrightsville | GA | — | ◇ UNVERIFIED |
| BMBenitez Metal Manufacturing CORP | Rio Piedras | PR | — | ◇ UNVERIFIED |
| BBBennett Building Systems, LLC | Augusta | GA | — | ◇ UNVERIFIED |
| BMBennett Mfg & Supply CO | Colorado Springs | CO | — | ◇ UNVERIFIED |
| BIBenson Industries INC | Portland | OR | — | ◇ UNVERIFIED |
| BIBenson Industries INC | Portland | OR | — | ◇ UNVERIFIED |
| BIBenson Industries LLC | La Grande | OR | — | ◇ UNVERIFIED |
| BIBenson Industries LLC | Portland | OR | — | ◇ UNVERIFIED |
| BSBergen Sign Company | Pompano Beach | FL | — | ◇ UNVERIFIED |
| BRBest Roll Up Door INC | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| BSBest Steel Buildings, INC. | Houston | TX | — | ◇ UNVERIFIED |
| BDBhp, D.b.a Global Power Components | Milwaukee | WI | — | ◇ UNVERIFIED |
| BBBig B Construction INC. | American Fork | UT | — | ◇ UNVERIFIED |
| BRBig Red Metals, LLC | Slocomb | AL | — | ◇ UNVERIFIED |
| BCBilco Company,the | Trumann | AR | — | ◇ UNVERIFIED |
| BSBioclimatic Structures LLC | Pompton Plains | NJ | — | ◇ UNVERIFIED |
| BCBlue Chip Professional Services, L.l.c | Boise | ID | — | ◇ UNVERIFIED |
| BBBluescope Buildings North America INC | Turlock | CA | — | ◇ UNVERIFIED |
| BBBluescope Buildings North America, INC. | Selmer | TN | — | ◇ UNVERIFIED |
| BSBlue Streak Enterprises, LLC Dba Gravley Doors | Aubrey | TX | — | ◇ UNVERIFIED |
| BSBmarko Structures (doraville) | Atlanta | GA | — | ◇ UNVERIFIED |
| BSBmarko Structures, LLC - Long Rd | Williamston | SC | — | ◇ UNVERIFIED |
| BIBonitz INC | Columbia | SC | — | ◇ UNVERIFIED |
| BBork | Philadelphia | PA | — | ◇ UNVERIFIED |
| BPBowman Properties, LLC | Valparaiso | IN | — | ◇ UNVERIFIED |
| BMBranagans Metal Works LLC | Clayton | NC | — | ◇ UNVERIFIED |
| BXBrand X Metals, INC | Anaheim | CA | — | ◇ UNVERIFIED |
| BUBritco Usa, LLC | Waco | TX | — | ◇ UNVERIFIED |
| BHBRM Holdings Inc. | Watertown | WI | — | ◇ UNVERIFIED |
| BCBroncho Company Dba Electric Power Door | Hibbing | MN | — | ◇ UNVERIFIED |
| BWBR Welding Inc | Howell | NJ | — | ◇ UNVERIFIED |
| BRBryan Rivera | Corona | CA | — | ◇ UNVERIFIED |
| BIBucyrus International INC | Milwaukee | WI | — | ◇ UNVERIFIED |
| BWBuffalo Welding, INC. | Milwaukie | OR | — | ◇ UNVERIFIED |
| BSBunger Steel, Inc. | Tolleson | AZ | — | ◇ UNVERIFIED |
| BPBurrow's Post Frame Supply | Fort Gibson | OK | — | ◇ UNVERIFIED |
| BMButler Manufacturing Company | Visalia | CA | — | ◇ UNVERIFIED |
| BMButler Manufacturing Company | Birmingham | AL | — | ◇ UNVERIFIED |
| BIBW2G Investments LLC | Glenpool | OK | — | ◇ UNVERIFIED |
| CACalifornia All Steel Carports INC | Keizer | OR | — | ◇ UNVERIFIED |
| CPCalifornia Precision Components LLC | Santa Clara | CA | — | ◇ UNVERIFIED |
| CSCal Spray INC | East Palo Alto | CA | — | ◇ UNVERIFIED |
| CSCampell Steel Buildings, Inc. | Lubbock | TX | — | ◇ UNVERIFIED |
| CBCapitol Builders Hardware, INC | Sacramento | CA | — | ◇ UNVERIFIED |
| CCapstone | Louisville | KY | — | ◇ UNVERIFIED |
| COCarmichael Overhead Door, INC. | Carmichael | CA | — | ◇ UNVERIFIED |
| CSCarport Structures CORP | Oxford | MI | — | ◇ UNVERIFIED |
| CPCasMar Properties LLC | Louisville | KY | — | ◇ UNVERIFIED |
| CDCasper Disappearing Screen Systems, Inc. | Poway | CA | — | ◇ UNVERIFIED |
| CPCavett Portable Buildings | Ponca City | OK | — | ◇ UNVERIFIED |
| CCCdi Curbs Company Dba Crystal Distribution, INC. | Charlotte | NC | — | ◇ UNVERIFIED |
| CBCeco Building Sys | Rocky Mount | NC | — | ◇ UNVERIFIED |
| CBCeco Building Systems | Mount Pleasant | IA | — | ◇ UNVERIFIED |
| CBCeco Building Systems | Columbus | MS | — | ◇ UNVERIFIED |
| CDCeco Door Prods | Oklahoma City | OK | — | ◇ UNVERIFIED |
| CCCenterline Corporation | Saint Croix | VI | — | ◇ UNVERIFIED |
 Central Confinement Service LTD | Albion | NE | — | ◇ UNVERIFIED |
| CFCentral Florida Lumber and Supply Co, INC | Orlando | FL | — | ◇ UNVERIFIED |
| COCentral Oregon Greenhouse Supply LLC | Bend | OR | — | ◇ UNVERIFIED |
| CSCentral States Manufacturing, INC. | Cedar Hill | TX | — | ◇ UNVERIFIED |
| CSCentral Steel Buildings, Inc. | Mount Airy | NC | — | ◇ UNVERIFIED |
| CCentria | Hatton | KY | — | ◇ UNVERIFIED |
| CEC E Toland & Son | Benicia | CA | — | ◇ UNVERIFIED |
| CSCfg Systems INC Dba Concelafab Corporation | Colorado Springs | CO | — | ◇ UNVERIFIED |
| CDChallenger Designs | Nappanee | IN | — | ◇ UNVERIFIED |
| CDChallenger Door | Nappanee | IN | — | ◇ UNVERIFIED |
| CDChallenger Door | Nappanee | IN | — | ◇ UNVERIFIED |
| COChampion Opco, LLC | Oklahoma City | OK | — | ◇ UNVERIFIED |
| CWChampion Windows INC. | Valencia | CA | — | ◇ UNVERIFIED |
| CACharlises Aluminum Products | Harriman | TN | — | ◇ UNVERIFIED |
| CMCherokee Metal Building Erectors | Marietta | GA | — | ◇ UNVERIFIED |
| CTChicago Tube & Iron | Ankeny | IA | — | ◇ UNVERIFIED |
| CMChickasha Manufacturing | Chickasha | OK | — | ◇ UNVERIFIED |
 Chief Industries INC | Grand Island | NE | — | ◇ UNVERIFIED |
| CSCiti Staff Solutions INC | San Dimas | CA | — | ◇ UNVERIFIED |
| CCititrends | Roland | OK | — | ◇ UNVERIFIED |
| CCClar Company | Miami | FL | — | ◇ UNVERIFIED |
| CCClar Company | Doral | FL | — | ◇ UNVERIFIED |
| CAClass a Precision, INC. | Corona | CA | — | ◇ UNVERIFIED |
| CMClassic Metals Suppliers, Corp. | Palmetto Bay | FL | — | ◇ UNVERIFIED |
| CBClearly Building Corporation | Secor | IL | — | ◇ UNVERIFIED |
| COClearview of Phoenix LLC | Gilbert | AZ | — | ◇ UNVERIFIED |
| CSCleveland Steel Specialty Company | Bedford | OH | — | ◇ UNVERIFIED |
| CCClopay CORP | Russia | OH | — | ◇ UNVERIFIED |
| CMClosest Meadow Building, INC. | Clovis | NM | — | ◇ UNVERIFIED |
| CBClyde Bergemann Power Group, INC. | Jesup | GA | — | ◇ UNVERIFIED |
| CMCnc Metal Solutions, LLC | Champlin | MN | — | ◇ UNVERIFIED |
| CICoastal Industries, INC | Haverhill | MA | — | ◇ UNVERIFIED |
| CWCoastal Woodwork INC | Pompano Beach | FL | — | ◇ UNVERIFIED |
| CSCoastline Shutters & Manufacturing, LLC | Pensacola | FL | — | ◇ UNVERIFIED |
| CTCoast to Coast Carports INC | Stanfield | OR | — | ◇ UNVERIFIED |
| CICoatek, INC | Santa Clara | CA | — | ◇ UNVERIFIED |
| CACoco Architectural Grilles & Metalcraft & Advanced Architectural Grilles | Holtsville | NY | — | ◇ UNVERIFIED |
| CCCold Chain, LLC | Boise | ID | — | ◇ UNVERIFIED |
| CTColeman Tommy | Memphis | TN | — | ◇ UNVERIFIED |
| CGColumbia Glass and Window Company | Kansas City | MO | — | ◇ UNVERIFIED |
| CBCommercial Building Components | Lathrop | CA | — | ◇ UNVERIFIED |
| CDCommercial Display Systems | Santa Clarita | CA | — | ◇ UNVERIFIED |
