Job Shop Manufacturing Companies in California

California has approximately 35,000 manufacturing establishments and 1,300,000 manufacturing employees. California is the largest manufacturing state by output, leading in aerospace, semiconductors, medical devices, and food processing across its diverse regional economies.

California is one of the leading states for job shop manufacturing. Job shop manufacturing includes CNC machine shops and custom manufacturing operations that produce parts in low to medium volumes for diverse customer bases. These shops are the backbone of American manufacturing, providing precision machined, fabricated, and finished components to industries ranging from aerospace and medical to energy and defense.

CNC Milling Shops: Machine shops specializing in 3, 4, and 5-axis milling of precision components from metals and engineering plastics.

CNC Turning Shops: Operations focused on turned components using CNC lathes, turning centers, and Swiss-type machines.

Multi-Process Shops: Full-service machine shops offering milling, turning, grinding, EDM, and secondary operations under one roof.

Prototype & Short-Run Specialists: Shops focused on fast-turnaround prototype machining and low-volume production for engineering teams.

Major industrial centers in California include Los Angeles, San Diego, San Jose, San Francisco, Fresno, Irvine, and Long Beach. These cities have concentrations of manufacturers across sectors including semiconductor manufacturing, aerospace manufacturing, and medical device manufacturing.