Duncan Bolt CO. | Santa Fe Springs | — | ● ACTIVE |
| DIDuncan Industries, INC | Santa Fe Springs | — | ● ACTIVE |
Dwa Aluminum Composites Usa, INC | Chatsworth | — | ● ACTIVE |
| EAEaton Aerospace LLC | Los Angeles | 100–499 | ● ACTIVE |
Engineering Design Industries, INC. | S El Monte | — | ● ACTIVE |
Fastener Innovation Technology, INC. | Compton | — | ● ACTIVE |
Felbro, INC. | Los Angeles | — | ● ACTIVE |
| FAFrazier Aviation INC | San Fernando | — | ● ACTIVE |
| FRFred R. Rippy, INC. | Whittier | — | ● ACTIVE |
Global Aerospace Technology Corporation | Valencia | — | ● ACTIVE |
Goeppner Industries, INC. | Torrance | — | ● ACTIVE |
G-qms Finishers LLC | Los Angeles | — | ● ACTIVE |
Great American Rolling, INC. | Downey | — | ● ACTIVE |
Green's Metal Cut-off CORP | Santa Fe Springs | — | ● ACTIVE |
| GMGsp Metal Finishing, INC. | Gardena | — | ● ACTIVE |
G & S Precision Tool INC | Bell Gardens | — | ● ACTIVE |
Hansen Engineering CO. | Harbor City | — | ● ACTIVE |
| HTHelicopter Technology CORP | Los Angeles | — | ● ACTIVE |
| HMHenry's Metal Polishing, INC | S El Monte | — | ● ACTIVE |
| HCHi-shear Corporation | Torrance | — | ● ACTIVE |
Hoefner Corporation | South El Monte | — | ● ACTIVE |
Hta Los Angeles LLC | Santa Fe Springs | — | ● ACTIVE |
| HIHuck International, INC | Carson | 100–499 | ● ACTIVE |
Hydraulics International INC | Chatsworth | — | ● ACTIVE |
Hydraulics International, INC. | Chatsworth | — | ● ACTIVE |
Industrial Tectonics Bearings Corporation | Compton | — | ● ACTIVE |
Integral Products, INC. | Harbor City | — | ● ACTIVE |
Jmt INC. | Norwalk | — | ● ACTIVE |
| JMJoels Machine Shop INC | El Monte | — | ● ACTIVE |
Kennedy Name Plate CO | Vernon | — | ● ACTIVE |
K & L Anodizing Corporation | Burbank | — | ● ACTIVE |
Lawrence Roll Up Doors, INC. | Baldwin Park | — | ● ACTIVE |
Lefiell Manufacturing Company | Santa Fe Springs | — | ● ACTIVE |
Lindsey Manufacturing CO | Azusa | — | ● ACTIVE |
Long-lok, LLC | Carson | — | ● ACTIVE |
Lynco Grinding Company INC | Bell Gardens | — | ● ACTIVE |
Machineworks Manufacturing | Northridge | — | ● ACTIVE |
Macias Sheet Metal | Los Angeles | — | ● ACTIVE |
Martin Aerospace Corporation | Los Angeles | — | ● ACTIVE |
Master Research & Manufacturing, INC. | Norwalk | — | ● ACTIVE |
Mattco Forge, INC. | Paramount | — | ● ACTIVE |
Maverick Aerospace LLC | City of Industry | — | ● ACTIVE |
Mechanical Metal Finishing CO | Gardena | — | ● ACTIVE |
Melco Steel INC | Azusa | — | ● ACTIVE |
Metal Chem, INC. | Chatsworth | — | ● ACTIVE |
Metalid Manufacturing INC | Pacoima | — | ● ACTIVE |
| MIMetal Improvement Company, LLC | Lynwood | — | ● ACTIVE |
| MSMetal Surfaces International, LLC | Bell Gardens | 100–499 | ● ACTIVE |
| MMMilo Machining INC. | Torrance | — | ● ACTIVE |
| MPMorris Precision Products, INC. | Canyon Country | — | ● ACTIVE |