Assembly shops in Missouri

EveryJobShop lists 8 assembly shops in Missouri across 7 cities, most in Saint Peters (2), Belton (1), Gainesville (1), Hannibal (1). Besides assembly, they also run welding (7), CNC milling (6), CNC turning (5), EDM (2). 2 of them state ISO 9001; certifications on file: ISO 9001 (2), ITAR (2), AS9100 (1). 2 are ITAR registered or state defense work.

Filter these 8 shopsUpdated October 15, 2026
CompanyLocation
Amincor
Milling, Turning, Swiss, Laser, Punching, Bending, Welding, Stamping, EDM, Grinding, Finishing, Assembly · ISO 9001, ITAR, CMMC
Belton, MO
Riff Machine
Milling, Turning, Assembly
Gainesville, MO
Jones Co Machining
Milling, Turning, Welding, Assembly
Hannibal, MO
Venture Industrial Products Inc
Welding, Assembly
Lees Summit, MO
Planet Tool & Gear Inc
Milling, Welding, Stamping, Assembly · ISO 9001, AS9100, ITAR
O Fallon, MO
Midwest Machining Solutions LLC
Milling, Turning, Waterjet, Welding, Assembly
Saint Louis, MO
Precision Components & Assemblies, Inc
Milling, Turning, Laser, Welding, Casting, Finishing, Assembly
Saint Peters, MO
Seyer Industries Inc
Welding, EDM, Assembly
Saint Peters, MO

Questions buyers ask about Missouri

How many assembly shops are there in Missouri?
EveryJobShop lists 8 assembly shops in Missouri across 7 cities, most in Saint Peters (2), Belton (1), Gainesville (1), Hannibal (1). Besides assembly, they also run welding (7), CNC milling (6), CNC turning (5), EDM (2). Updated October 15, 2026.
Which Missouri shops are AS9100 or ITAR?
2 of them state ISO 9001; certifications on file: ISO 9001 (2), ITAR (2), AS9100 (1). 2 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 Missouri?
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.