| PIPtmw INC | Topeka | KS | — | ◐ LIKELY ACTIVE |
| RGRaynor Garage Doors | Dixon | IL | 500+ | ◐ LIKELY ACTIVE |
| RLRedguard LLC | New Iberia | LA | — | ◐ LIKELY ACTIVE |
| RCRobertson Ceco Ii Dba Star Building Systems | Monticello | IA | — | ◐ LIKELY ACTIVE |
| SBSchulte Building Systems, Inc.-Hockley | Hockley | TX | 100–499 | ◐ LIKELY ACTIVE |
| SSSioux Steel Company | Lennox | SD | 20–99 | ◐ LIKELY ACTIVE |
Southwest Mobile Storage-Rancho Cucamonga | Rancho Cucamonga | CA | 20–99 | ◐ LIKELY ACTIVE |
| SOStallion Oilfield Services LTD - Port of Vermilion Facility | Abbeville | LA | — | ◐ LIKELY ACTIVE |
| SCSteel Construct System, LLC | Locust | NC | 1–19 | ◐ LIKELY ACTIVE |
| SMSteel & Metal Systems, INC. | Blackshear | GA | 20–99 | ◐ LIKELY ACTIVE |
| SSSteel Supply & Engineering Corporation | Grand Rapids | MI | 20–99 | ◐ LIKELY ACTIVE |
| STSteel Tech of the Ozarks | Monett | MO | 20–99 | ◐ LIKELY ACTIVE |
| SSSuperior Sheds, INC. | Orange City | FL | — | ◐ LIKELY ACTIVE |
| TATdk-lambda Americas INC. | Neptune | NJ | — | ◐ LIKELY ACTIVE |
| TATempest Architectural Products, INC. | Bronx | NY | 20–99 | ◐ LIKELY ACTIVE |
| TSThornton Steel San Antonio | Elmendorf | TX | 20–99 | ◐ LIKELY ACTIVE |
| TBTrachte Building Systems, INC. | Sun Prairie | WI | 100–499 | ◐ LIKELY ACTIVE |
| TNTrachte North | Oregon | WI | 100–499 | ◐ LIKELY ACTIVE |
| TCTriad Corrugated Metal, INC. | Asheboro | NC | 20–99 | ◐ LIKELY ACTIVE |
| USUfp Site Built, LLC | Lenoir City | TN | 20–99 | ◐ LIKELY ACTIVE |
| UCUnion Corrugating | Ocala | FL | — | ◐ LIKELY ACTIVE |
| USUnited Structures of America | Houston | TX | — | ◐ LIKELY ACTIVE |
| VLVentaire LLC | Tulsa | OK | 20–99 | ◐ LIKELY ACTIVE |
| WIWare Industries INC | South Plainfield | NJ | — | ◐ LIKELY ACTIVE |
| WSWhirlwind Steel Buildings Tallapoosa | Tallapoosa | GA | 100–499 | ◐ LIKELY ACTIVE |
| AMAar Mobility Systems (n6420) | Cadillac | MI | — | ◐ LIKELY ACTIVE |
| ASArrow Shed LLC | Haskell | NJ | — | ◐ LIKELY ACTIVE |
| BSBbc Steel CORP. | Canby | OR | — | ◐ LIKELY ACTIVE |
| CBCorle Bldg Sys Inc/bedford Cnty | Imler | PA | — | ◐ LIKELY ACTIVE |
| EKExecutive Kitchens | Simpsonville | SC | — | ◐ LIKELY ACTIVE |
| FBFortify Building Solutions | Florence | AL | — | ◐ LIKELY ACTIVE |
| HBH B Rentals Lc | Broussard | LA | — | ◐ LIKELY ACTIVE |
| NCNexgen Containers and Shelters | Summerville | SC | — | ◐ LIKELY ACTIVE |
| PIParkline Incorporated | Eleanor | WV | — | ◐ LIKELY ACTIVE |
| RSRepublic Services - Clinton County Landfill | Frankfort | IN | — | ◐ LIKELY ACTIVE |
| SBSchulte Building Addition | Hueytown | AL | — | ◐ LIKELY ACTIVE |
| SISuperior International Industries, INC. | Carrollton | GA | — | ◐ LIKELY ACTIVE |
| TTruecore | Waterloo | IN | — | ◐ LIKELY ACTIVE |
Aar Manufacturing, INC. Dba Aar Mobility Systems | Goldsboro | NC | — | ◇ UNVERIFIED |
| ABA Box 4 U | Wichita | KS | — | ◇ UNVERIFIED |
| ACActivar Construction Products Group | Commerce | CA | — | ◇ UNVERIFIED |
| AWAll Weather Insulated Panels | East Stroudsburg | PA | — | ◇ UNVERIFIED |
| ABAmerican Building Company | Liberty | NC | — | ◇ UNVERIFIED |
| ACArmag CORP | Bardstown | KY | — | ◇ UNVERIFIED |
| AGArrow Group Ind INC | Breese | IL | — | ◇ UNVERIFIED |
| BBBluescope Buildings North America INC | Turlock | CA | — | ◇ UNVERIFIED |
| BMBluff Manufacturing INC | Fort Worth | TX | — | ◇ UNVERIFIED |
| BWBuffalo Welding, INC. | Milwaukie | OR | — | ◇ UNVERIFIED |
| BMButler Manufacturing Company | Birmingham | AL | — | ◇ UNVERIFIED |
| CECalifornia Expanded Metal Prod | Pittsburg | CA | — | ◇ UNVERIFIED |
| CBCeco Building Sys | Rocky Mount | NC | — | ◇ UNVERIFIED |
| CBCeco Building Systems | Columbus | MS | — | ◇ UNVERIFIED |
| CBCorle Building Systems | Imler | PA | — | ◇ UNVERIFIED |
| CSCustom Steel & Wood Incorporated | Anderson | SC | — | ◇ UNVERIFIED |
| DSDean Steel Buildings INC | Fort Myers | FL | — | ◇ UNVERIFIED |
| ESElite Storage Solutions, LLC | Monroe | GA | — | ◇ UNVERIFIED |
| ESEngineering Services & Products | Dyersville | IA | — | ◇ UNVERIFIED |
| FBFortify Building Solutions(mueller) | Horseshoe Beach | FL | — | ◇ UNVERIFIED |
| GBGarco Building Systems | Airway Heights | WA | — | ◇ UNVERIFIED |
| GDGeneral Dynamics Ots INC | Marion | VA | — | ◇ UNVERIFIED |
| GSGulf States Manufacturers | Starkville | MS | — | ◇ UNVERIFIED |
| HIHeritage Industries, INC | Wayne | NE | — | ◇ UNVERIFIED |
| HMHewitt Machine & Manufacturing INC | Nicollet | MN | — | ◇ UNVERIFIED |
| HPHigh Plains Manufacturing LLC | Wichita | KS | — | ◇ UNVERIFIED |
| IBInland Buildings | Cullman | AL | — | ◇ UNVERIFIED |
| ICInternational Cold Storage, Rainey Road LLC | Olive Branch | MS | — | ◇ UNVERIFIED |
| JLJ L Walter & Associates Incorporated | Indianapolis | IN | — | ◇ UNVERIFIED |
| JTJohnson Thermal Systems | Caldwell | ID | — | ◇ UNVERIFIED |
| JSJustrite Safety Group - U.s. Chemical Storage | Wilkesboro | NC | — | ◇ UNVERIFIED |
| KLKeystone Lime Co/galley Quarry | Springs | PA | — | ◇ UNVERIFIED |
| KIKullman Industries | Lebanon | NJ | — | ◇ UNVERIFIED |
| MWMcshane Welding CO INC | Erie | PA | — | ◇ UNVERIFIED |
| MMMesco Metal Buildings | Southlake | TX | — | ◇ UNVERIFIED |
| MBMetal Building Products, Inc., Dba Spirco Manufacturing | Memphis | TN | — | ◇ UNVERIFIED |
| MAMetl-span a Div of Nci Group INC | Shelbyville | IN | — | ◇ UNVERIFIED |
| MMMfi Merchandising | Winterset | IA | — | ◇ UNVERIFIED |
| MIModlogiq INC Modular Building Specialists | New Holland | PA | — | ◇ UNVERIFIED |
| NBNci Building Systems | Tallapoosa | GA | — | ◇ UNVERIFIED |
| NBNci Building Systems | Atwater | CA | — | ◇ UNVERIFIED |
| NBNci Building Systems L.p. | Lexington | TN | — | ◇ UNVERIFIED |
| NINucor Insulated Panel Group | North Las Vegas | NV | — | ◇ UNVERIFIED |
| PBPacific Building Systems | Woodburn | OR | — | ◇ UNVERIFIED |
| PIPackage Industries INC | Sutton | MA | — | ◇ UNVERIFIED |
| PBPanel Built | Blairsville | GA | — | ◇ UNVERIFIED |
| PIPowell Industries Offshore | Houston | TX | — | ◇ UNVERIFIED |
| PIPriddys INC | Sophia | WV | — | ◇ UNVERIFIED |
| PIPtmw INC - Topeka (air) | Topeka | KS | — | ◇ UNVERIFIED |
| RMReynolds Metals CO | Eastman | GA | — | ◇ UNVERIFIED |
| RIRobertson-ceco Ii Corporation - Nci Building Systems Dba Star Building Systems | Elizabethton | TN | — | ◇ UNVERIFIED |
| RWRoyal Wolf Storage Containers | Commerce City | CO | — | ◇ UNVERIFIED |
| SISchrupp Industries INC | Parker | PA | — | ◇ UNVERIFIED |
| SISeville Industries | Abbeville | LA | — | ◇ UNVERIFIED |
| SVShady Vent Aluminum Products INC | Powder Springs | GA | — | ◇ UNVERIFIED |
| SPShaw Power Services | Vacaville | CA | — | ◇ UNVERIFIED |
| SSSmith System Manfacturing CO | Princeton | MN | — | ◇ UNVERIFIED |
| STSms Technical Services LLC Taylor Division | Taylor | MI | — | ◇ UNVERIFIED |
| SBStar Building (formerly Ceco Buildings) | Lockeford | CA | — | ◇ UNVERIFIED |
| SBStar Building Sys | Elizabethton | TN | — | ◇ UNVERIFIED |
| SBSteel Buildings and Structures | Mount Airy | NC | — | ◇ UNVERIFIED |
| SSSteelox Systems, INC. | Washington Court House | OH | — | ◇ UNVERIFIED |