| CFCustom Fabricated Metals, LLC | Perris | — | ◇ UNVERIFIED |
| DFD&b Fabrication Plus, INC. | Riverside | — | ◇ UNVERIFIED |
| DADe Anza Contractors INC | Riverside | — | ◇ UNVERIFIED |
| DLDiMax, LLC | Temecula | — | ◇ UNVERIFIED |
| EJEdwin J Neumeyer | Thermal | — | ◇ UNVERIFIED |
| EEEllen Elmore | Anza | — | ◇ UNVERIFIED |
| ETEngineered Technical Products, INC. | Riverside | — | ◇ UNVERIFIED |
| EPEquip Pro | Murrieta | — | ◇ UNVERIFIED |
| EREric Resh | Murrieta | — | ◇ UNVERIFIED |
| EMErnie's Machine Shop | Jurupa Valley | — | ◇ UNVERIFIED |
| EPE&s Precision Sheetmetal Mfg INC | North Palm Springs | — | ◇ UNVERIFIED |
| ESExl Safe Company LLC | Mira Loma | — | ◇ UNVERIFIED |
| ECExterior Cladding Systems INC | Corona | — | ◇ UNVERIFIED |
| FMFabwest Manufacturing | Temecula | — | ◇ UNVERIFIED |
| FIFcp INC | Wildomar | — | ◇ UNVERIFIED |
 Fireblast Global INC Dba Fireblast 451 INC | Murrieta | — | ◇ UNVERIFIED |
| FMFrontline Machining LLC | Riverside | — | ◇ UNVERIFIED |
| GMG3 Machining | Calimesa | — | ◇ UNVERIFIED |
| GPGerstner Precision | Lake Elsinore | — | ◇ UNVERIFIED |
| GSGj&j Sheet Metal Fabrication | Menifee | — | ◇ UNVERIFIED |
| GIGuadalajara Imports INC | San Jacinto | — | ◇ UNVERIFIED |
| HIHayden Industrial Products | Corona | — | ◇ UNVERIFIED |
| HRHill Rebar INC | Corona | — | ◇ UNVERIFIED |
| HIHubbell Inc/lyall Division | Corona | — | ◇ UNVERIFIED |
| III-Cam Industries, Inc. | Murrieta | — | ◇ UNVERIFIED |
| IEInnovative Emergency Equipment | Riverside | — | ◇ UNVERIFIED |
| IQI Q Nut & Bolt INC | Corona | — | ◇ UNVERIFIED |
| JIJlg Industries INC Dba Service Plus South West | Riverside | — | ◇ UNVERIFIED |
| JRJohasee Rebar LP a Lms Reinforcing Steel Group Company | Corona | — | ◇ UNVERIFIED |
| JVJpjw Ventures LLC Dba Pirtek Corona | Riverside | — | ◇ UNVERIFIED |
| JTJ Talley Corp, Talley & Ochoa Metal Fab. | San Jacinto | — | ◇ UNVERIFIED |
| KCKawneer Company INC | Riverside | — | ◇ UNVERIFIED |
| KEKennedy Enterprises | Aguanga | — | ◇ UNVERIFIED |
| KMK&w Manufacturing CO INC | Corona | — | ◇ UNVERIFIED |
| LPLemco Precision INC. | Calimesa | — | ◇ UNVERIFIED |
| LPLINAI Properties LLC | Riverside | — | ◇ UNVERIFIED |
| LLL & L Louvers INC | Riverside | — | ◇ UNVERIFIED |
| LGLuxfer Gas Cylinders-composite Division | Riverside | — | ◇ UNVERIFIED |
| MNMageba North America | Riverside | — | ◇ UNVERIFIED |
| MFMatch Fit Grind & Lap | Riverside | — | ◇ UNVERIFIED |
 Matthews International Corporation | San Jacinto | — | ◇ UNVERIFIED |
| MMMetric Machining INC | Riverside | — | ◇ UNVERIFIED |
| MGM G Metal Creations INC | Riverside | — | ◇ UNVERIFIED |
| MHMichael Hillman | Riverside | — | ◇ UNVERIFIED |
| MSMichael Spencer and Karen Spencer, Trustees of the Michael Alan Spencer and Kare | Temecula | — | ◇ UNVERIFIED |
| MMicromist | Calimesa | — | ◇ UNVERIFIED |
| MPMiibec Powdercoating, INC | Lake Elsinore | — | ◇ UNVERIFIED |
| MMMilgard Manufacturing INC | Temecula | — | ◇ UNVERIFIED |
| MMModular Metal Fabricators INC | Moreno Valley | — | ◇ UNVERIFIED |
| MMMoonlight Manufacturing, INC. | Jurupa Valley | — | ◇ UNVERIFIED |
