| MFMarisol Farm LLC | Pasadena | CA | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| MAMark A. Moreno | San Francisco | CA | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| MJMark James | Watsonville | CA | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| MFMartin Fox | El Centro | CA | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| MMMartin Marietta Ca A&p, LLC - Merced Hma | Merced | CA | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| MMMartin Marietta Materials INC | Visalia | CA | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| MTMaterial Transport Services | Corona | CA | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| MCMatich CORP | Cabazon | CA | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
 Matrix Machine CORP | Chino | CA | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| MOMatrix Oil Corporation - Rideout Heights | Whittier | CA | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
| MBMattivi Brothers Leasing INC. | San Joaquin County | CA | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| MAMauri All Debris | Richmond | CA | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| MLMauro Lopez | West Hollywood | CA | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| MIMaverick Insulation, INC. | Diamond Springs | CA | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| MMMax & Min Properties LLC | Garden Grove | CA | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| MRMaxima Racing Oils | Santee | CA | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| MEMaxwell Equipment Company INC. | Simi Valley | CA | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| MPMB Pavement Services Inc | San Diego | CA | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| MTMb Technology | Fresno | CA | Petroleum and Coal Products Manufacturing324122 | — | ◇ UNVERIFIED |
| MFMeadows Field Hanger 40q | Bakersfield | CA | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| MPMedrano's Paving CO | Hesperia | CA | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| MSMeister Sealcoat & Supplies LLC Dba Sealmaster | Bakersfield | CA | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| MFMercer Fraser - Big Lagoon | Trinidad | CA | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| MFMercer Fraser - Cooks Valley | Garberville | CA | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| MFMercer Fraser - Dinsmore | Dinsmore | CA | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| MFMercer Fraser - Essex | Mckinleyville | CA | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| MFMercer Fraser - Fortuna Plant a | Fortuna | CA | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| MFMercer Fraser - Fortuna Plant B | Fortuna | CA | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| MFMercer Fraser - Willow Creek | Willow Creek | CA | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| MAM&g Automotive | Belmont | CA | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| MMichael | Lomita | CA | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| MGMichael Gabrielson | Live Oak | CA | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| MMMichael Magnes | Los Angeles | CA | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| MBMichelle Barra | Los Angeles | CA | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| MEMidnight Express Transportation INC | San Juan Bautista | CA | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| MCMike Clark Trucking | Porterville | CA | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| MJMike Jenkins | Ontario | CA | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| MCMiller's Custom Work INC. | Litchfield | CA | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| MJM J Ruddy & Sons INC | Waterford | CA | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| MMM&m Maintenance | South El Monte | CA | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| MSMojave Space Port | Mojave | CA | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| MVMoon Valley Nursery | Thermal | CA | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| MNMoove NA Distribution LLC | Commerce | CA | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| MLMountune LLC | Carson | CA | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| MPM Paggen Trucking INC | Corona | CA | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| MSM & S Auto | Sacramento | CA | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| MPMt Poso Tank Farm | Oildale | CA | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
| MMMunicipal Maintenance Equipment | Hayward | CA | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| MSMurphy Square | Sunnyvale | CA | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| MCMwc Commercial | San Clemente | CA | Petroleum and Coal Products Manufacturing324199 | — | ◇ UNVERIFIED |
