| CCCst Covers | Conroe | TX | — | ◇ UNVERIFIED |
| CICts & I Millwork | Rocky Mount | VA | — | ◇ UNVERIFIED |
| CRCurrent River Die Sinking | Doniphan | MO | — | ◇ UNVERIFIED |
| CACustom Alloy Corporation | Califon | NJ | — | ◇ UNVERIFIED |
| CCCustom Container Solutions | Lewisburg | PA | — | ◇ UNVERIFIED |
| CMCustom Metal Fabricators INC | Richmond | VA | — | ◇ UNVERIFIED |
| CRCustom Railing Technology INC | Westfield | MA | — | ◇ UNVERIFIED |
| CFC&w Fabricators | Gardner | MA | — | ◇ UNVERIFIED |
| CWC & W Woodworking Incorporated | Hudson | NC | — | ◇ UNVERIFIED |
| CMCygnus Mfg CO LLC | Saxonburg | PA | — | ◇ UNVERIFIED |
| DBDa Bosley LLC Dba Milton W Bosley CO | Glen Burnie | MD | — | ◇ UNVERIFIED |
| DMDaido Metal USA LLC | Bellefontaine | OH | — | ◇ UNVERIFIED |
| DFDallas Facility | Dallas | TX | — | ◇ UNVERIFIED |
| DIDaman Industrial Services | East Brady | PA | — | ◇ UNVERIFIED |
| DDDana Driveshaft Manufacturing LLC | Sterling | IL | — | ◇ UNVERIFIED |
| DSDana Sealing Products, LLC | Milwaukee | WI | — | ◇ UNVERIFIED |
| DDDanielson Designs LTD. | Trinidad | CO | — | ◇ UNVERIFIED |
| DADanos and Curole Marine Contractors, LLC | Larose | LA | — | ◇ UNVERIFIED |
| DPDansville Properties, LLC | Dansville | NY | — | ◇ UNVERIFIED |
| DMDanuser Machine Company LLC | Fulton | MO | — | ◇ UNVERIFIED |
| DMDanuser Machine Company LLC | Fulton | MO | — | ◇ UNVERIFIED |
| DSDanville Steel | Danville | IL | — | ◇ UNVERIFIED |
| DMDarby Metalworks | Anderson | SC | — | ◇ UNVERIFIED |
| DIDasco INC | Rockford | IL | — | ◇ UNVERIFIED |
| DCData Communique International INC | Carlstadt Boro | NJ | — | ◇ UNVERIFIED |
| DHDave Hunter CO LLC | Albany | OR | — | ◇ UNVERIFIED |
| DBDavis Boat Works INC | Newport News | VA | — | ◇ UNVERIFIED |
| DIDavis Iron Works Operations | Hewitt | TX | — | ◇ UNVERIFIED |
| DTDavis Trailer & Truck Equipment | Little Rock | AR | — | ◇ UNVERIFIED |
| DWDavis Welding | Gibson City | IL | — | ◇ UNVERIFIED |
| DEDawn Equipment CO | Sycamore | IL | — | ◇ UNVERIFIED |
| DMDawson Manufacturing | Benton Harbor | MI | — | ◇ UNVERIFIED |
| DIDay International, INC. a Flint Group Company | Three Rivers | MI | — | ◇ UNVERIFIED |
| DRDayton Rogers of Florida LLC | Saint Petersburg | FL | — | ◇ UNVERIFIED |
 Dayton Superior Corporation | Birmingham | AL | — | ◇ UNVERIFIED |
| DBDean Baldwin Painting | Roswell | NM | — | ◇ UNVERIFIED |
| DHDean Hardwoods, Incorporated | Leland | NC | — | ◇ UNVERIFIED |
| DMDearborn Midwest Conveyor | Taylor | MI | — | ◇ UNVERIFIED |
| DMDearborn Mid-west Conveyor CO. | Kansas City | KS | — | ◇ UNVERIFIED |
| DLDeburring Laboratories INC | New Britain | CT | — | ◇ UNVERIFIED |
| DSDecimet Sales INC | Rogers | MN | — | ◇ UNVERIFIED |
| DPDee Paper Mfg | Chester | PA | — | ◇ UNVERIFIED |
| DMDefiance Metal Products | Defiance | OH | — | ◇ UNVERIFIED |
| DSDelo Screw Products | Delaware | OH | — | ◇ UNVERIFIED |
| DHDelta Hardwood Flooring | Boonville | NY | — | ◇ UNVERIFIED |
| DSDelta Steel Company INC | Jackson | MS | — | ◇ UNVERIFIED |
| DCDematic CORP | Hebron | KY | — | ◇ UNVERIFIED |
| DIDempster Industries | Beatrice | NE | — | ◇ UNVERIFIED |
| DWDerby Welding and Machine Co., INC. | Louisville | KY | — | ◇ UNVERIFIED |
| DFDesign Form INC | Stanton | CA | — | ◇ UNVERIFIED |
| DSDesign Standards Precision Medical Devices | Charlestown | NH | — | ◇ UNVERIFIED |
| DEDesman Engineering INC | Alexandria | MN | — | ◇ UNVERIFIED |
| DTDetrot Tool Engineering-bishop Building | Lebanon | MO | — | ◇ UNVERIFIED |
| DSDexter Stamping Company, LLC | Murfreesboro | TN | — | ◇ UNVERIFIED |
| DCDff CORP | Agawam | MA | — | ◇ UNVERIFIED |
| DCD-g Custom Chrome LLC | Cincinnati | OH | — | ◇ UNVERIFIED |
| DMDiamond Mfg CO Midwest | Michigan City | IN | — | ◇ UNVERIFIED |
| DIDiebold INC | Seville | OH | — | ◇ UNVERIFIED |
| DIDiebold INC | Sumter | SC | — | ◇ UNVERIFIED |
| DSDietze & Schell Manufacturing Solutions Na, INC. | Anderson | SC | — | ◇ UNVERIFIED |
| DTDigital Tool & Automation | Ramsey | MN | — | ◇ UNVERIFIED |
| DDDillon Decanter & Machine INC | Eleanor | WV | — | ◇ UNVERIFIED |
| DCDisston CO. | Chicopee | MA | — | ◇ UNVERIFIED |
| DCDiversified Components INC | Jamestown | NY | — | ◇ UNVERIFIED |
| DCDiversified Computer Supplies INC | Stanton | KY | — | ◇ UNVERIFIED |
| DFDiversified Fabricating INC | Oneonta | AL | — | ◇ UNVERIFIED |
| DIDiversified Industries INC | Troutville | VA | — | ◇ UNVERIFIED |
| DMDiversified Metal Products, INC | Englewood | CO | — | ◇ UNVERIFIED |
| DSDiversified Steel Fabricators, INC. | Wetumpka | AL | — | ◇ UNVERIFIED |
| DTDiversified Tool & Development | Richmond | KY | — | ◇ UNVERIFIED |
| DEDivine Engineering, INC. | Cedar Rapids | IA | — | ◇ UNVERIFIED |
| D5Division 5, LLC (dba Structural Steel of Carolina) | Hickory | NC | — | ◇ UNVERIFIED |
| DMDixie Metalcraft INC. | Fort Myers | FL | — | ◇ UNVERIFIED |
| DPDixie Pacific Manufacturing CO INC | Gadsden | AL | — | ◇ UNVERIFIED |
| DSDixie Southern Industrial INC | Auburndale | FL | — | ◇ UNVERIFIED |
| DTDixie Tractor | Princeton | WV | — | ◇ UNVERIFIED |
| DJD & J Metal Products, INC. | Memphis | TN | — | ◇ UNVERIFIED |
| DLD & L Fabricators | Grafton | WV | — | ◇ UNVERIFIED |
| DCDme CO Div of Milacron CORP | Charlevoix | MI | — | ◇ UNVERIFIED |
| DADodge-rockwell Automation:clio | Clio | SC | — | ◇ UNVERIFIED |
| DEDomries Enterprises INC. | Madera | CA | — | ◇ UNVERIFIED |
| DCDonahue CORP | Durham | KS | — | ◇ UNVERIFIED |
| DDonaldson | Grinnell | IA | — | ◇ UNVERIFIED |
 Donaldson CO INC - Minneapolis | Bloomington | MN | — | ◇ UNVERIFIED |
| DEDoor Engineering & Manufacturing | Kasota | MN | — | ◇ UNVERIFIED |
| DEDragon Esp | Lamar | CO | — | ◇ UNVERIFIED |
| DPDragon Products | La Porte | TX | — | ◇ UNVERIFIED |
| DRD & R Metal Finishing | Houston | TX | — | ◇ UNVERIFIED |
| DCDroitcour Company Cone Dept | Warwick | RI | — | ◇ UNVERIFIED |
| DBDs Brown\lewis Engineering Division | Chaska | MN | — | ◇ UNVERIFIED |
| DSD & S Machine Products, INC | Aurora | IN | — | ◇ UNVERIFIED |
| DIDtr INC | Ashland | KY | — | ◇ UNVERIFIED |
| DMDuffin Mfg CO | Elyria | OH | — | ◇ UNVERIFIED |
| DBDuncan Brothers INC | Grand Terrace | CA | — | ◇ UNVERIFIED |
| DADura Automotive of Fulton | Fulton | KY | — | ◇ UNVERIFIED |
| DEDuraquest Elastomer Products | Conroe | TX | — | ◇ UNVERIFIED |
| DDDurasol Drug & Chemical | Amesbury | MA | — | ◇ UNVERIFIED |
| DPDurasteel Products CO | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| DMDurham Manufacturing CO | Springfield | MA | — | ◇ UNVERIFIED |
| DCDuroweld CO INC | Lake Bluff | IL | — | ◇ UNVERIFIED |
