| DWDhw Well Service | Victoria | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| DCDonovan Controls LLC | Ponchatoula | LA | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| DIDouble-e, INC. | Dallas | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| DSDownhole Stabilization INC | Bakersfield | CA | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| DTDownhole Technology | Houston | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| DWDownhole Well Solutions, LLC | Spring | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| DSDralco Systems, LLC | Weatherford | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| DBDrill Bit Exchange, LLC | Austin | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| DPDrillers Pipe Manufacturing | Cerritos | CA | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| DHDril-quip Houston Facility | Houston | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| EHE&a Hauling | Oroville | CA | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| EDEast Dedham Gas | Dedham | MA | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| EEbmud | Oakland | CA | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| EFEjay Family Partnership, Ltd. | Keller | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| ESEnerges Services, LLC | Platteville | CO | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| ESEnergy Subsea LLC | Theodore | AL | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| EUEnteq Upstream USA INC | Santa Clara | CA | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| EEEsi Energy Services International, INC. | Houma | LA | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| ELEuclid Land Venture , LLC C/o Reda | Ontario | CA | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| EWEvi Weatherford Corporation | Rio Vista | CA | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| FSFairmont Supply CO | Gillette | WY | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| FRFalcon Rigs, INC. | Cashion | OK | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| FEFirst Element Fuel | Santa Clara | CA | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| FPFischer Prpe Testing INC | Ellis | KS | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| FAFlanders Air Seal, INC. | Rosenberg | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| FMFlexrig Machinery Center | Tulsa | OK | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| FLFlogistix LP / Flogistix El Reno | El Reno | OK | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| FVFlowcon Valve & Supply Company | Farmington | NM | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| FRFluid Resources LLC | San Angelo | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| FSFluid Systems, INC. | Houston | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| FTFmc Technologies Measurement Solutions | Bakersfield | CA | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| FGFolding Gate Systems | Azusa | CA | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| FMFraley Machine Works | Big Spring | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| FIFreemyer Industrial Pressure | Fort Worth | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| GTGammaloy Technolgies, LLC | Houston | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| GMGjr Meyer Service, INC. | Corpus Christi | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| GAGregorio's Auto Repair | Escondido | CA | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| GSGulf Sensors, INC. | Baton Rouge | LA | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| HEHaliburton Energy Services Hermleigh | Hermleigh | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| HEHalliburton Energy Services | Dallas | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| HPHarvest Petroleum INC | Fortuna | CA | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| HIHawk Ind INC | Signal Hill | CA | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| HTHDD Technology, LLC | Flower Mound | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| HRHerman Rentals | New Iberia | LA | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| HIHo-ad INC | Bloomfield | NM | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| HCHolt Cat Irving West | Irving | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| HAHonghua America | Houston | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| HOHouston Oilfield Equipment, INC. | Houston | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| HMH-v Manufacturing Company | Okmulgee | OK | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
| HUHydrahead US LLC | Midland | TX | Machinery Manufacturing333132 | — | ◇ UNVERIFIED |
