| CPContainer Products Corporation | Wilmington | NC | — | ◇ UNVERIFIED |
| CBCooper Bearings, INC. | Georgetown | DE | — | ◇ UNVERIFIED |
| CCCorrosion Control CORP | Pedricktown | NJ | — | ◇ UNVERIFIED |
| CCCorrosion Control CORP. | Pedricktown | NJ | — | ◇ UNVERIFIED |
| CCCrosno Construction INC | Oak Harbor | WA | — | ◇ UNVERIFIED |
| CTCrown Tank CO LLC | Horseheads | NY | — | ◇ UNVERIFIED |
| CSCryogenic Systems Equipment, INC. | Blue Island | IL | — | ◇ UNVERIFIED |
| CVCryogenic Vessel Alternatives INC. | Baytown | TX | — | ◇ UNVERIFIED |
| CICst Industries INC | Syracuse | UT | — | ◇ UNVERIFIED |
| CMCustom Metalcraft, INC. | Springfield | MO | — | ◇ UNVERIFIED |
| DEDavidson Enterprises INC | Bakersfield | CA | — | ◇ UNVERIFIED |
| DBD B Western INC | North Bend | OR | — | ◇ UNVERIFIED |
| DLDeerebuilt, LLC | Ardmore | OK | — | ◇ UNVERIFIED |
| DMDelta Mechanical, INC. | Berwick | PA | — | ◇ UNVERIFIED |
| DLDenec, LLC | Huntsville | AL | — | ◇ UNVERIFIED |
| DMDerson Manufacturing INC | Minnetrista | MN | — | ◇ UNVERIFIED |
| DTDirect Tank Services | Lone Star | TX | — | ◇ UNVERIFIED |
| DEDiverse Energy Systems, LLC | Grafton | ND | — | ◇ UNVERIFIED |
| DIDixie Industrial, LLC | Jacksonville | FL | — | ◇ UNVERIFIED |
| DWDixie Weld-fab, INC. | Belcher | LA | — | ◇ UNVERIFIED |
| DTDouble T Industries INC | Rolla | KS | — | ◇ UNVERIFIED |
| DEDragon Esp | Lamar | CO | — | ◇ UNVERIFIED |
| DEDragon Esp LTD / Ve Enterprises | Springer | OK | — | ◇ UNVERIFIED |
| DPDragon Products | La Porte | TX | — | ◇ UNVERIFIED |
| DPDragon Products Center | Center | TX | — | ◇ UNVERIFIED |
| DPDragon Products, LLC | Silsbee | TX | — | ◇ UNVERIFIED |
| DPDragon Products, LTD | Center | TX | — | ◇ UNVERIFIED |
| DTD&r Tank | Pecos | NM | — | ◇ UNVERIFIED |
| DGDungeness Gear Works | Arlington | WA | — | ◇ UNVERIFIED |
| DCDutton-lainson Company | Hastings | NE | — | ◇ UNVERIFIED |
| EMEaton Metal Products CO | Denver | CO | — | ◇ UNVERIFIED |
| EEEconomical Energy Consultant, Incorporated | Harrisonville | PA | — | ◇ UNVERIFIED |
| EIEica Industries, INC. | Fort Worth | TX | — | ◇ UNVERIFIED |
| ESEidson Steel Products, INC. | Albuquerque, Nm | CO | — | ◇ UNVERIFIED |
| EEEisenback Equipment Sales INC | Camden | SC | — | ◇ UNVERIFIED |
| EPEldeco Pipe and Fabrication LLC | Richburg | SC | — | ◇ UNVERIFIED |
| EIEnertech Industries, INC. | Odessa | TX | — | ◇ UNVERIFIED |
| EMEureka Manufacturing | Eureka | SD | — | ◇ UNVERIFIED |
| FBFerrellgas Blue Rhino Grove City/barkeyville Fac | Grove City | PA | — | ◇ UNVERIFIED |
| FTFischer Tanks LLC | Kaleva | MI | — | ◇ UNVERIFIED |
| FIFlexcon Industries | Randolph | MA | — | ◇ UNVERIFIED |
| FMFlorida Marine Tanks, INC | Henderson | NC | — | ◇ UNVERIFIED |
| FKFort Knox Mailbox LLC | Grants Pass | OR | — | ◇ UNVERIFIED |
| GAG an D Petroleum, LLC | Janesville | WI | — | ◇ UNVERIFIED |
| GCGardner Cryogenics | Allentown | PA | — | ◇ UNVERIFIED |
| GWGarland Welding | Lowellville | OH | — | ◇ UNVERIFIED |
| GHGe Hitachi Nuclear Energy - Canonsburg | Canonsburg | PA | — | ◇ UNVERIFIED |
| GKGlass King Mfg. Co., INC. | Great Bend | KS | — | ◇ UNVERIFIED |
| GVGlobal Vessel and Tank INC / Global Vessel and Tank INC Union City | Union City | OK | — | ◇ UNVERIFIED |
 Great Basin Industrial, LLC | Tonopah | NV | — | ◇ UNVERIFIED |
