Machine shops and fabricators in San Marcos, California

EveryJobShop lists 3 manufacturing companies in San Marcos, California. The most common processes are CNC milling (3), welding (3), EDM (2), finishing (anodize, plating, powder coat) (2). 1 of them state AS9100; certifications on file: AS9100 (1), ISO 9001 (1), ITAR (1). Materials named on their websites: aluminum (2), plastics (2), carbon steel (2), copper and brass (1). 1 is ITAR registered or state defense work.

Filter these 3 shopsUpdated October 15, 2026
CompanyLocation
6S Machining Enterprises LLC
Milling, Welding · ISO 9001, AS9100, ITAR, NADCAP
San Marcos, CA
Five Star Enterprises
Milling, Laser, Waterjet, Welding, Stamping, Metal AM, EDM, Finishing
San Marcos, CA
Stigtec Manufacturing
Milling, Welding, EDM, Grinding, Finishing, Assembly
San Marcos, CA

Questions buyers ask about San Marcos

How many job shops are there in San Marcos, CA?
EveryJobShop lists 3 manufacturing companies in San Marcos, California. The most common processes are CNC milling (3), welding (3), EDM (2), finishing (anodize, plating, powder coat) (2). Updated October 15, 2026.
Which San Marcos shops are AS9100 or ITAR?
1 of them state AS9100; certifications on file: AS9100 (1), ISO 9001 (1), ITAR (1). 1 is ITAR registered or state defense work. Filter the list by certification to see them.
How do I get a quote from a shop in San Marcos?
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.