| FAFrazier Aviation INC | San Fernando | — | ● ACTIVE |
Fred Matter, INC | Livermore | — | ● ACTIVE |
| FRFred R. Rippy, INC. | Whittier | — | ● ACTIVE |
G2mh Holdings INC | Anaheim | — | ● ACTIVE |
| GMGayle Manufacturing CO INC | Sacramento | 1–19 | ● ACTIVE |
Gear Manufacturing, INC. | Anaheim | 20–99 | ● ACTIVE |
Gemini Manufacturing & Engineering INC. | Anaheim | — | ● ACTIVE |
Gizmo Art Production, INC | San Francisco | — | ● ACTIVE |
Global Aerospace Technology Corporation | Valencia | — | ● ACTIVE |
Gnb Corporation | Elk Grove | — | ● ACTIVE |
Goeppner Industries, INC. | Torrance | — | ● ACTIVE |
| GSGolden State Grating, INC. | San Bernardino | — | ● ACTIVE |
G-qms Finishers LLC | Los Angeles | — | ● ACTIVE |
Great American Rolling, INC. | Downey | — | ● ACTIVE |
Green's Metal Cut-off CORP | Santa Fe Springs | — | ● ACTIVE |
Griswold Controls LLC | Irvine | — | ● ACTIVE |
Group Manufacturing Services, INC. | San Jose | — | ● ACTIVE |
| GMGsp Metal Finishing, INC. | Gardena | — | ● ACTIVE |
G & S Precision Tool INC | Bell Gardens | — | ● ACTIVE |
G. V. Industries, INC | National City | — | ● ACTIVE |
Halfab, INC | Livermore | — | ● ACTIVE |
Halo Precision LLC | Santa Clara | — | ● ACTIVE |
Hansen Engineering CO. | Harbor City | — | ● ACTIVE |
Hartwell Corporation | Placentia | — | ● ACTIVE |
| HTHelicopter Technology CORP | Los Angeles | — | ● ACTIVE |
| HMHenry's Metal Polishing, INC | S El Monte | — | ● ACTIVE |
High Precision Grinding & Machining, INC. | El Cajon | — | ● ACTIVE |
High Speed Cnc | Santa Clara | — | ● ACTIVE |
| HTHigh Temperature Superconductors, INC. | Santa Barbara | — | ● ACTIVE |
Hilltop Technology Laboratory, INC. | Irvine | — | ● ACTIVE |
Hi Performance Machine & Metals, INC | Lakeside | — | ● ACTIVE |
| HCHi-shear Corporation | Torrance | — | ● ACTIVE |
Hoefner Corporation | South El Monte | — | ● ACTIVE |
Hogue, INC. | Paso Robles | — | ● ACTIVE |
Horn Machine Tools, INC. | Madera | — | ● ACTIVE |
Hot Metal Fab LLC | Loomis | — | ● ACTIVE |
| HGHowmet Global Fastening Systems INC | Fullerton | 500+ | ● ACTIVE |
| HPH. P. Machine and Engineering, INC. | San Jose | — | ● ACTIVE |
Hta Los Angeles LLC | Santa Fe Springs | — | ● ACTIVE |
Hubbell Machine CO INC | Paso Robles | — | ● ACTIVE |
| HIHuck International, INC | Carson | 100–499 | ● ACTIVE |
Hydraflow | Fullerton | — | ● ACTIVE |
Hydraulics International INC | Chatsworth | — | ● ACTIVE |
Hydraulics International, INC. | Chatsworth | — | ● ACTIVE |
Hyspan Precision Products, INC. | Chula Vista | — | ● ACTIVE |
Independence Precision Machining, LLC | Roseville | — | ● ACTIVE |
Industrial Tectonics Bearings Corporation | Compton | — | ● ACTIVE |
Infiniti Manufacture LLC | Corona | — | ● ACTIVE |
Innovative Coatings Technology Corporation | Mojave | — | ● ACTIVE |
Intake Screens, INC. | Sacramento | — | ● ACTIVE |