Assembly shops in California
EveryJobShop lists 118 assembly shops in California across 63 cities, most in San Jose (12), Santa Clara (6), Fremont (5), Chatsworth (4). Besides assembly, they also run CNC milling (93), CNC turning (70), welding (69), finishing (anodize, plating, powder coat) (43). 63 of them state ISO 9001; certifications on file: ISO 9001 (63), AS9100 (38), ITAR (34). 34 are ITAR registered or state defense work.
Filter these 118 shopsUpdated October 15, 2026
60 of 118 shops
See all 118 in the list| Company | Location | Processes | Certs |
|---|---|---|---|
| Delta Hi-Tech Milling, Turning, Swiss, Laser, Bending, Welding, EDM, Finishing, Assembly · ISO 9001, AS9100, ITAR, NADCAP, ISO 13485 | Chatsworth, CA | MillingTurningSwissLaserBendingWeldingEDMFinishingAssembly | ISO 9001, AS9100, ITAR, NADCAP, ISO 13485 |
| J A-Co Machine Works, LLC Milling, Turning, Swiss, Welding, Finishing, Assembly · ISO 9001, AS9100, ITAR, NADCAP, ISO 13485 | Scotts Valley, CA | MillingTurningSwissWeldingFinishingAssembly | ISO 9001, AS9100, ITAR, NADCAP, ISO 13485 |
| Inventery Precision Milling, Turning, Swiss, Finishing, Assembly · ISO 9001, AS9100, ITAR, CMMC | Pasadena, CA | MillingTurningSwissFinishingAssembly | ISO 9001, AS9100, ITAR, CMMC |
| M & R Engineering Milling, Turning, Swiss, Finishing, Assembly · ISO 9001, AS9100, ITAR, NADCAP | Orange, CA | MillingTurningSwissFinishingAssembly | ISO 9001, AS9100, ITAR, NADCAP |
| PTG Precision LLC Milling, Turning, Swiss, Welding, Grinding, Assembly · ISO 9001, AS9100, ITAR, CMMC | Gardena, CA | MillingTurningSwissWeldingGrindingAssembly | ISO 9001, AS9100, ITAR, CMMC |
| Modus Advanced Milling, Waterjet, Finishing, Assembly · ISO 9001, AS9100, ITAR, CMMC | Carlsbad, CA | MillingWaterjetFinishingAssembly | ISO 9001, AS9100, ITAR, CMMC |
| Tri Fab Associates, Inc Milling, Turning, Laser, Punching, Welding, Stamping, Grinding, Finishing, Assembly · ISO 9001, AS9100, ITAR, CMMC | Fremont, CA | MillingTurningLaserPunchingWeldingStampingGrindingFinishingAssembly | ISO 9001, AS9100, ITAR, CMMC |
| Wess-Del Inc Milling, Waterjet, EDM, Assembly · ISO 9001, AS9100, ITAR, ISO 13485 | San Jose, CA | MillingWaterjetEDMAssembly | ISO 9001, AS9100, ITAR, ISO 13485 |
| Advanced Precision Machining, LLC Milling, Turning, Laser, Waterjet, EDM, Assembly · AS9100, ITAR, CMMC | Costa Mesa, CA | MillingTurningLaserWaterjetEDMAssembly | AS9100, ITAR, CMMC |
| Gear Manufacturing Inc Milling, Turning, EDM, Grinding, Assembly · ISO 9001, AS9100, ITAR | Anaheim, CA | MillingTurningEDMGrindingAssembly | ISO 9001, AS9100, ITAR |
| Prisecter Aerospace and Defense LLC Milling, Turning, Waterjet, Welding, Assembly · AS9100, ITAR, CMMC | Auburn, CA | MillingTurningWaterjetWeldingAssembly | AS9100, ITAR, CMMC |
| Rah Industries Inc Milling, Turning, Laser, Waterjet, Punching, Bending, Welding, Finishing, Assembly · ISO 9001, AS9100, NADCAP | Santa Clarita, CA | MillingTurningLaserWaterjetPunchingBendingWeldingFinishingAssembly | ISO 9001, AS9100, NADCAP |
| Roncelli Plastics Inc Welding, Stamping, Assembly · ISO 9001, ITAR, ISO 13485, CMMC | Monrovia, CA | WeldingStampingAssembly | ISO 9001, ITAR, ISO 13485, CMMC |
| Support Equipment Inc Milling, Turning, Welding, EDM, Finishing, Assembly · ISO 9001, AS9100, ITAR | Escondido, CA | MillingTurningWeldingEDMFinishingAssembly | ISO 9001, AS9100, ITAR |
| Top Machining, Inc Milling, Turning, Welding, Finishing, Assembly · ISO 9001, AS9100, ITAR | Santa Clara, CA | MillingTurningWeldingFinishingAssembly | ISO 9001, AS9100, ITAR |
| Nexus Automation Milling, Welding, EDM, Assembly · ISO 9001, ITAR, ISO 13485 | Livermore, CA | MillingWeldingEDMAssembly | ISO 9001, ITAR, ISO 13485 |
| Advanced Machining Techniques Inc Milling, Turning, Welding, Assembly · ISO 9001, AS9100, ISO 13485 | Morgan Hill, CA | MillingTurningWeldingAssembly | ISO 9001, AS9100, ISO 13485 |
| RKL Technologies Inc Milling, Turning, EDM, Assembly · AS9100, NADCAP, ISO 13485 | Corona, CA | MillingTurningEDMAssembly | AS9100, NADCAP, ISO 13485 |
| S & H Machine, Inc Milling, Turning, Assembly · ISO 9001, AS9100, ITAR | Burbank, CA | MillingTurningAssembly | ISO 9001, AS9100, ITAR |
| W Machine Works Inc Milling, Turning, Assembly · ISO 9001, AS9100, ITAR | San Fernando, CA | MillingTurningAssembly | ISO 9001, AS9100, ITAR |
| Westcoast Precision, Inc Milling, Turning, Assembly · ISO 9001, AS9100, ITAR | San Jose, CA | MillingTurningAssembly | ISO 9001, AS9100, ITAR |
| Airtronics Metal Products Milling, Laser, Punching, Bending, Welding, Assembly · ISO 9001, ISO 13485 | Morgan Hill, CA | MillingLaserPunchingBendingWeldingAssembly | ISO 9001, ISO 13485 |
| Benen Manufacturing LLC Milling, Turning, Welding, Finishing, Assembly · ISO 9001, ISO 13485 | San Jose, CA | MillingTurningWeldingFinishingAssembly | ISO 9001, ISO 13485 |
| Campbell Engineering Milling, Welding, EDM, Finishing, Assembly · ISO 9001, ITAR | Lake Forest, CA | MillingWeldingEDMFinishingAssembly | ISO 9001, ITAR |
| Caran Precision Engineering & Manufacturing Corp Milling, Turning, Swiss, Welding, Stamping, EDM, Grinding, Assembly · ISO 9001, IATF 16949 | Brea, CA | MillingTurningSwissWeldingStampingEDMGrindingAssembly | ISO 9001, IATF 16949 |
| Compucraft Industries, Inc Waterjet, Punching, Bending, Welding, EDM, Finishing, Assembly · AS9100, NADCAP | Santee, CA | WaterjetPunchingBendingWeldingEDMFinishingAssembly | AS9100, NADCAP |
| Computer Integrated Machining Inc Milling, Turning, Waterjet, Welding, Stamping, EDM, Grinding, Assembly · ISO 9001, ITAR | Santee, CA | MillingTurningWaterjetWeldingStampingEDMGrindingAssembly | ISO 9001, ITAR |
| GC International Inc Milling, Turning, Welding, Casting, Assembly · AS9100, NADCAP | Camarillo, CA | MillingTurningWeldingCastingAssembly | AS9100, NADCAP |
| J Mark Co Milling, Turning, Laser, Punching, Bending, Welding, Finishing, Assembly · ISO 9001, ITAR | Vista, CA | MillingTurningLaserPunchingBendingWeldingFinishingAssembly | ISO 9001, ITAR |
| Next Intent, Inc Milling, Turning, Welding, EDM, Grinding, Assembly · ISO 9001, ITAR | San Luis Obispo, CA | MillingTurningWeldingEDMGrindingAssembly | ISO 9001, ITAR |
| Noron Precision Machining Inc Milling, Turning, Grinding, Finishing, Assembly · ISO 9001, ITAR | Sunnyvale, CA | MillingTurningGrindingFinishingAssembly | ISO 9001, ITAR |
| Omw Corp Milling, Assembly · ISO 9001, AS9100, CMMC | Novato, CA | MillingAssembly | ISO 9001, AS9100, CMMC |
| Qualitask Inc Milling, Turning, Swiss, Welding, EDM, Grinding, Finishing, Assembly · ISO 9001, AS9100 | Anaheim, CA | MillingTurningSwissWeldingEDMGrindingFinishingAssembly | ISO 9001, AS9100 |
| Ram Aerospace Inc Milling, Turning, Laser, Waterjet, EDM, Grinding, Assembly · AS9100, ITAR | Brea, CA | MillingTurningLaserWaterjetEDMGrindingAssembly | AS9100, ITAR |
| Ricaurte Precision Inc Milling, Turning, Swiss, Laser, EDM, Finishing, Assembly · ISO 9001, ITAR | Santa Ana, CA | MillingTurningSwissLaserEDMFinishingAssembly | ISO 9001, ITAR |
| Udash Corporation Milling, Laser, Waterjet, Welding, Stamping, Assembly · ISO 9001, AS9100 | Simi Valley, CA | MillingLaserWaterjetWeldingStampingAssembly | ISO 9001, AS9100 |
| Cal Machine & Manufacturing LLC Milling, Turning, Welding, Assembly · ISO 9001, AS9100 | Chino, CA | MillingTurningWeldingAssembly | ISO 9001, AS9100 |
| G. V. Industries, Inc Milling, Turning, Welding, Assembly · ISO 9001, AS9100 | National City, CA | MillingTurningWeldingAssembly | ISO 9001, AS9100 |
| Global Precision Manufacturing Milling, Turning, Welding, Assembly · ISO 9001, ITAR | Grass Valley, CA | MillingTurningWeldingAssembly | ISO 9001, ITAR |
| Jarvis Manufacturing, Inc Milling, Turning, EDM, Assembly · ISO 9001, ITAR | San Jose, CA | MillingTurningEDMAssembly | ISO 9001, ITAR |
| Sharp Dimension Inc Milling, Turning, Bending, Welding, Grinding, Finishing, Assembly · ISO 9001, ITAR | Fremont, CA | MillingTurningBendingWeldingGrindingFinishingAssembly | ISO 9001, ITAR |
| Aerotech Precision Machining, Inc Milling, Turning, Assembly · ISO 9001, AS9100 | Lancaster, CA | MillingTurningAssembly | ISO 9001, AS9100 |
| Angeles Precision Engineering LLC Milling, Turning, Assembly · ISO 9001, ITAR | Ontario, CA | MillingTurningAssembly | ISO 9001, ITAR |
| Cutting Edge Manufacturing Milling, Turning, Assembly · ISO 9001, AS9100 | Newbury Park, CA | MillingTurningAssembly | ISO 9001, AS9100 |
| Ejays Machine Co Inc Milling, Bending, Assembly · ISO 9001, AS9100 | Fullerton, CA | MillingBendingAssembly | ISO 9001, AS9100 |
| Metri Tech Engineering Inc Milling, EDM, Assembly · ISO 9001, AS9100 | Huntington Beach, CA | MillingEDMAssembly | ISO 9001, AS9100 |
| Advanced Fabrication Technology Laser, Punching, Welding, Finishing, Assembly · ISO 9001 | Hayward, CA | LaserPunchingWeldingFinishingAssembly | ISO 9001 |
| Ap Precision Metals, Inc Laser, Punching, Bending, Welding, Stamping, Finishing, Assembly · ISO 9001 | San Diego, CA | LaserPunchingBendingWeldingStampingFinishingAssembly | ISO 9001 |
| Euro Machining Enterprise Inc Milling, Turning, Welding, Grinding, Assembly · ISO 9001 | Santa Clara, CA | MillingTurningWeldingGrindingAssembly | ISO 9001 |
| Halcyon Manufacturing Inc Milling, Turning, Bending, Welding, EDM, Finishing, Assembly · ITAR | San Jose, CA | MillingTurningBendingWeldingEDMFinishingAssembly | ITAR |
| Jaco Engineering Milling, Turning, Bending, Welding, EDM, Grinding, Finishing, Assembly · NADCAP | Anaheim, CA | MillingTurningBendingWeldingEDMGrindingFinishingAssembly | NADCAP |
| Mass Precision Inc Welding, Assembly · ISO 9001, ISO 13485 | San Jose, CA | WeldingAssembly | ISO 9001, ISO 13485 |
| Savage Machining Inc Milling, Turning, EDM, Finishing, Assembly · ISO 9001 | Simi Valley, CA | MillingTurningEDMFinishingAssembly | ISO 9001 |
| Swiss Screw Products Inc Milling, Turning, Swiss, Grinding, Assembly · ISO 9001 | Santa Clara, CA | MillingTurningSwissGrindingAssembly | ISO 9001 |
| Top Precision Milling, Turning, Assembly · ISO 9001, ITAR | San Luis Obispo, CA | MillingTurningAssembly | ISO 9001, ITAR |
| Tridecs Corp Milling, Swiss, EDM, Grinding, Finishing, Assembly · ISO 9001 | Hayward, CA | MillingSwissEDMGrindingFinishingAssembly | ISO 9001 |
| Vicon Precision, Ltd. Liability Co Milling, Turning, Welding, Finishing, Assembly · ISO 9001 | San Jose, CA | MillingTurningWeldingFinishingAssembly | ISO 9001 |
| Wire Works EDM Inc Milling, Turning, Welding, EDM, Assembly · CMMC | Santa Ana, CA | MillingTurningWeldingEDMAssembly | CMMC |
| Advantage Metal Products, Inc Milling, Bending, Finishing, Assembly · ITAR | Livermore, CA | MillingBendingFinishingAssembly | ITAR |
| Aero Mechanism Precision Inc Milling, Assembly · ISO 9001, AS9100 | Chatsworth, CA | MillingAssembly | ISO 9001, AS9100 |
Questions buyers ask about California
- How many assembly shops are there in California?
- EveryJobShop lists 118 assembly shops in California across 63 cities, most in San Jose (12), Santa Clara (6), Fremont (5), Chatsworth (4). Besides assembly, they also run CNC milling (93), CNC turning (70), welding (69), finishing (anodize, plating, powder coat) (43). Updated October 15, 2026.
- Which California shops are AS9100 or ITAR?
- 63 of them state ISO 9001; certifications on file: ISO 9001 (63), AS9100 (38), ITAR (34). 34 are ITAR registered or state defense work. Filter the list by certification to see them.
- How do I get a quote from a shop in California?
- Open the company page and use "Request a quote": attach STEP, DXF or PDF files, the request goes to the shop's quoting contact with your email as reply-to, and the shop answers you directly.