Est. 1960  ·  Bridgeton, Missouri

Precision
Machined Parts
for Industry

Machine Center Inc. has been a trusted precision machining partner for over 60 years — delivering tight-tolerance components to aerospace, defense, automotive, medical, and industrial customers nationwide.

60+
Years in Business
±.0005"
Tolerance Capability
ISO 9001:2015
Continuously Certified Since 2003
ISO 9001:2015 NIST Traceable Inspection CMM In-House

Capabilities

From complex multi-axis milling to precision turning, grinding, and inspection — we handle work that demands exacting standards and full traceability.

CNC Milling

3, 4, and 5-axis CNC milling for complex geometries, contoured surfaces, and tight tolerances in prototype through production quantities.

Travel: up to 60" × 30" × 24"Tolerance: ±0.0005"Aluminum, steel, titanium, exotics
CNC Turning

Precision OD/ID turning, threading, and grooving on CNC lathes with live tooling. Bar feed automation for high-volume production runs.

Swing: up to 10" diameterLive tooling & sub-spindleBar feed automation
Grinding & Finishing

Surface, cylindrical, and ID/OD grinding to achieve superior surface finishes and sub-tenths tolerances when standard machining isn't enough.

Surface finish up to 8 RaRoundness to 0.00005"Honing available
CMM Inspection

Full in-house coordinate measuring machine lab. First article inspections, in-process checks, and final inspection with complete documented reports.

Hexagon GP 9.12.8 CMMFAI documentation packages availableNIST-traceable standards

Equipment List

We maintain a modern, well-maintained fleet of CNC equipment suited for precision production across a wide range of part families.

Milling
  • Mazak Variaxis I-800 NEO - 5 Axis
  • Mazak Variaxis I-800 NEO with Pallet Changer - 5 Axis
  • Mazak VC-500A/5X - 5 Axis
  • Mazak Vertical Center Universal 500A-5x - 5 Axis
  • Mazak FJV-35/60 - 3 Axis
  • Mazak Vertical Center Nexus 410A-II - 3 Axis
  • Mazak VTC-250D/50 - 3 Axis
  • Mazak Nexus 700D/40-II - 3 Axis
  • Mazak Vertical Center Nexus 510C-II - 3 Axis
  • Mazak Vertical Center Nexus 510C - 3 Axis
  • Mazak Mazatech V-414/32 with Pallet Changer
Turning
  • Mazak Hyper Quadrex 100MSY
  • Mazak Quick Turn Nexus 200-II
  • Mazak Quick Turn 250 MSY
  • Mazak Quick Turn Nexus 250-II
  • Mazak Quick Turn Smart 100-S
  • Mazak Quick Turn Nexus 100
Grinding & Secondary
  • Okamoto ACC-12-24SA — Surface Grinder
  • Okamoto OGM 1220UIII — Cylindrical ID/OD Grinder
  • Okamoto OGM-12-24 — Cylindrical ID/OD Grinder
  • x3 Bridgeport Manual Milling Machines
  • x3 Mitsui MSG-205MH Manual Surface Grinders
  • Webb 202CX60 Manual Lathe
  • Graziano Tortona Sag17 Manual Lathe
Inspection
  • Hexagon GP 9.12.8 CMM
  • Nikon Horizon 16E H16E-II Comparitor with Calibrated Heidenhain Quadra-Chek Digital Readout

*Please contact us with specific capacity or equipment questions.

Quality & Certifications

Every part leaving our facility is backed by rigorous inspection and full documentation. Our ISO 9001:2015 quality system governs every step of production.

ISO 9001:2015
Certified Quality Management System — covering all manufacturing, inspection, and customer-facing processes.
CMM Lab
In-house coordinate measuring with Hexagon equipment, traceable to NIST standards. First article and production inspection.
Material Certs
Mill certification and heat lot traceability provided with every shipment upon request. Full material traceability from stock through finished part.
FAI Packages
Documented First Article Inspection reports with ballooned prints and dimensional data available for all new programs.
Print Review
Our experienced quoting department review every print before/while quoting — we flag potential issues and suggest improvements proactively.
In-Process Inspection
Critical dimensions verified at each operation, not just final inspection. Problems caught early stay small which reduce production delays.
CMM Final Inspection
100% CMM inspection for first articles and statistical sampling for production. Complete reports available.
Documentation Package
Material certs, COC, CMM report, and FAI package delivered with your shipment — ready for your receiving QA.

Materials

Decades of experience across hundreds of alloys and engineering materials. If it can be machined, we've very likely run it.

Aluminum Alloys
Stainless Steel
Carbon & Alloy Steel
Tool Steel
Titanium
Brass & Bronze
Copper Alloys
Nylon / Ultem
Exotic Alloys

Built for Your Supply Chain

Buyers return to us because we make their job easier — from first inquiry to final delivery.

On-Time Delivery

We track every job against its committed delivery date. Our on-time delivery rate consistently exceeds 97% across all active programs.

Single-Source Capability

Machining, grinding, inspection, and light assembly under one roof. Fewer vendors means a simpler supply chain and faster turnaround for you.

Blanket Order Programs

Set up scheduled releases and managed inventory programs to smooth your supply chain and reduce your carrying and administrative costs.

Complete Documentation

Material certifications, CMM reports, certificates of conformance, and FAI packages available for delivery with every order — ready for your IQC team.

Over 60 Years of St. Louis Precision

Founded in 1960, our company has grown over the years to become a trusted name in precision machining. Now in our second generation of family ownership, we remain committed to the values that have driven our success from the beginning — quality, service, and strong relationships.

In 2024, we expanded to a second location, increasing our production capacity to keep up with growing customer demands and ensuring we continue to deliver the highest quality products on time.

We believe in creating a comfortable and flexible work environment, giving our employees the most amount of flexibility to ensure their family and health are always their top priorities. Our success is built on the dedication of our skilled employees, who use the best technology available to meet or exceed our customers’ expectations.

Machine Center Inc. is locally owned and operated in Bridgeton, Missouri — proud to be a St. Louis company and a contributor to the region's deep manufacturing tradition.