Gerlinger Foundry and Machine Works, INC. | Redding | 100–499 | ● ACTIVE |
Gizmo Art Production, INC | San Francisco | — | ● ACTIVE |
Glendee CORP | Moorpark | — | ● ACTIVE |
Global Aerospace Technology Corporation | Valencia | — | ● ACTIVE |
Golden State Engineering, INC. | Paramount | 100–499 | ● ACTIVE |
| GSGolden State Grating, INC. | San Bernardino | — | ● ACTIVE |
G-qms Finishers LLC | Los Angeles | — | ● 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 |
Halfab, INC | Livermore | — | ● ACTIVE |
Halo Precision LLC | Santa Clara | — | ● ACTIVE |
Hands on Concepts 3, INC. | El Cajon | 1–19 | ● ACTIVE |
| HEHartung Engineering INC | Canoga Park | 1–19 | ● ACTIVE |
Hartwell Corporation | Placentia | — | ● ACTIVE |
Heimaster Metal Works, INC. | Lakeside | 1–19 | ● ACTIVE |
| HTHelicopter Technology CORP | Los Angeles | — | ● ACTIVE |
High Precision Grinding & Machining, INC. | El Cajon | — | ● ACTIVE |
High Speed Cnc | Santa Clara | — | ● ACTIVE |
Hilltop Technology Laboratory, INC. | Irvine | — | ● ACTIVE |
Hoefner Corporation | South El Monte | — | ● ACTIVE |
Hogue, INC. | Paso Robles | — | ● ACTIVE |
Hot Metal Fab LLC | Loomis | — | ● ACTIVE |
| HGHowmet Global Fastening Systems INC | Fullerton | 500+ | ● 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 |
Humberto Murillo, INC. | Santa Ana | 20–99 | ● ACTIVE |
Hydraulics International INC | Chatsworth | — | ● ACTIVE |
Hydraulics International, INC. | Chatsworth | — | ● ACTIVE |
Hyspan Precision Products, INC. | Chula Vista | — | ● ACTIVE |
Img Companies, LLC | Livermore | 100–499 | ● ACTIVE |
Industrial Tectonics Bearings Corporation | Compton | — | ● ACTIVE |
Innovative Coatings Technology Corporation | Mojave | — | ● ACTIVE |
Intake Screens, INC. | Sacramento | — | ● ACTIVE |
Integral Products, INC. | Harbor City | — | ● ACTIVE |
| IAInternational Aero Engineering, LLC | Bellflower | 1–19 | ● ACTIVE |
Intrinsic Devices INC. | San Francisco | 1–19 | ● ACTIVE |
| ICItalix Company | Morgan Hill | 20–99 | ● ACTIVE |
Jaco Engineering | Anaheim | — | ● ACTIVE |
Jaffa Precision Engineering, INC. | Riverside | — | ● ACTIVE |
Jarvis Manufacturing, INC | San Jose | 20–99 | ● ACTIVE |
Jcr Aircraft Deburring LLC | La Habra | 20–99 | ● ACTIVE |
Jiffy Machine & Welding, INC. | El Cajon | 1–19 | ● ACTIVE |
| JMJoels Machine Shop INC | El Monte | — | ● ACTIVE |
| JMJohnson Manufacturing, INC. | Huntington Beach | — | ● ACTIVE |
Jonathan Engineered Solutions CORP. | Irvine | 500+ | ● ACTIVE |
Josephine Sawczuk | Pacoima | 1–19 | ● ACTIVE |