| HSHigh Summit Capital II LLC | Tulsa | OK | — | ◇ UNVERIFIED |
| HPHMW Properties LLC | Kankakee | IL | — | ◇ UNVERIFIED |
| HVHouston Valve Sales | Lynwood | CA | — | ◇ UNVERIFIED |
| HMHT Management LLC | Garden Grove | CA | — | ◇ UNVERIFIED |
| HMHubbell Machine Company, INC. | Paso Robles | CA | — | ◇ UNVERIFIED |
| HEHugo Engineering Co., Inc. | Huntington Park | CA | — | ◇ UNVERIFIED |
| HSHydra Stop LLC | Burr Ridge | IL | — | ◇ UNVERIFIED |
| HCHydraulic Components Industries | Hartington | NE | — | ◇ UNVERIFIED |
| HMHydraulic Manifolds USA | Stow | OH | — | ◇ UNVERIFIED |
| HVHy-grade Valve, INC. | Fairhope | AL | — | ◇ UNVERIFIED |
 Ichor Systems, Osakis | Osakis | MN | — | ◇ UNVERIFIED |
| IFImd Fluid Systems Dba Swagelok Nothern California | Fremont | CA | — | ◇ UNVERIFIED |
| ICImi Critical Engineering LLC | Lake Forest | CA | — | ◇ UNVERIFIED |
| IZImi Zimmermann and Jansen | Houston | TX | — | ◇ UNVERIFIED |
| IMIndustrial & Marine Valve, LLC | Gonzales | LA | — | ◇ UNVERIFIED |
| IMIndustrial & Marine Valve, LLC | Gonzales | LA | — | ◇ UNVERIFIED |
| ICIngram Cactus | Houston | TX | — | ◇ UNVERIFIED |
| IIInline Industries | Baldwin Park | CA | — | ◇ UNVERIFIED |
| IRInnovative Rack & Gear | Wood Dale | IL | — | ◇ UNVERIFIED |
| IVInstrument & Valve Service Spray Paint Booth | Pasadena | TX | — | ◇ UNVERIFIED |
| IIItt Inds Engineered Process Solutions Group | Lancaster | PA | — | ◇ UNVERIFIED |
| JUJefferson Union Company Inc | Deland | FL | — | ◇ UNVERIFIED |
| JVJj Valve | Lynwood | CA | — | ◇ UNVERIFIED |
| JIJPC Industries LLC | Denver | CO | — | ◇ UNVERIFIED |
| JIJPC Industries LLC | Golden | CO | — | ◇ UNVERIFIED |
| JIJ.P. Investments, LLC | Boise | ID | — | ◇ UNVERIFIED |
| JLJrdn LLC | Signal Hill | CA | — | ◇ UNVERIFIED |
| JMJ&s Machine & Valve, INC. | Nowata | OK | — | ◇ UNVERIFIED |
| KVKemper Valve & Fittings CORP | Island Lake | IL | — | ◇ UNVERIFIED |
| KIKemp Industries INC | West Milford | NJ | — | ◇ UNVERIFIED |
| KMKerotest Manufacturing CORP. | Pittsburgh | PA | — | ◇ UNVERIFIED |
| LVLakeside Valve Station: City of San Diego | Lakeside | CA | — | ◇ UNVERIFIED |
| LVLa Valve Source INC | Milton | LA | — | ◇ UNVERIFIED |
| LSLouisiana Safety Systems | Lafayette | LA | — | ◇ UNVERIFIED |
| MVMac Valves INC | Wixom | MI | — | ◇ UNVERIFIED |
| MHMaster Holding LLC | Shelby Township | MI | — | ◇ UNVERIFIED |
| MLMc63, LLC | Sandwich | IL | — | ◇ UNVERIFIED |
| MEMcgraw Edison CO Service Div | Fairfield | NJ | — | ◇ UNVERIFIED |
| MVMckenzie Valve & Machining CO | Mckenzie | TN | — | ◇ UNVERIFIED |
| MMM.D. Metals, Inc. | Bedford Park | IL | — | ◇ UNVERIFIED |
| MFMem-co Fittings INC | Hampstead | NH | — | ◇ UNVERIFIED |
| MSMetalflex Sales, Inc. | Saint Charles | MO | — | ◇ UNVERIFIED |
| MCMgp Caliper Covers LLC | Santee | CA | — | ◇ UNVERIFIED |
| MWMidway Welding, Inc. | Cortland | NE | — | ◇ UNVERIFIED |
| MVMikron Valve and Manufacturer, INC. | Erie | PA | — | ◇ UNVERIFIED |
| MGMohave Generating Station | Laughlin | NV | — | ◇ UNVERIFIED |
| MEMorell Enterprise, Inc. | New Waterford | OH | — | ◇ UNVERIFIED |
| MCMueller Company | Jasper | TN | — | ◇ UNVERIFIED |
| MGMueller Gas Prods - Waynesboro Div | Waynesboro | TN | — | ◇ UNVERIFIED |
| NONational Oilwell Varco LP - Rs Venture Houma | Houma | LA | — | ◇ UNVERIFIED |
