Contract Manufacturing Services
High-Volume Custom OEM Precision Turned Components & Integrated Manufacturing Operations
World-Class Contract Machining & Production Services
Established in 1969, DuPage Machine Products delivers full-spectrum contract manufacturing solutions to global industrial OEMs, aerospace leaders, medical equipment builders, and automotive tier-1 suppliers.
Operating out of our 245,000 square foot climate-controlled facility equipped with over 150 high-end CNC production machines, we turn your custom engineering drawings into high-precision, flawless metallic and non-metallic components. As a turn-key production partner, we manage raw material procurement, high-speed multi-spindle machining, automated welding, precision washing, sub-assembly, and strict QA verification.
Whether your procurement program requires thousands or millions of complex turned parts annually, our infrastructure guarantees robust supply chain reliability, competitive unit economics, and uncompromising adherence to AS9100D and ISO 9001:2015 quality frameworks.
Comprehensive Contract Manufacturing Capabilities
End-to-end production operations engineered to streamline your procurement supply chain.
CNC Multi-Spindle Machining
Unmatched efficiency for high-volume precision turned components. Simultaneous multi-tool machining ensures ultra-fast cycle times and high dimensional accuracy.
Swiss CNC Single Spindle
Ideal for long, slender, or micro-precision parts. Sliding headstock technology enables extreme tolerances and superior surface finishes for demanding applications.
CNC Rotary Transfer Equipment
High-speed multi-station machining combining turning, milling, cross-drilling, and tapping in a single setup for complex, multi-featured components.
CAM Multi-Spindle Machining
Cost-effective, rapid production of high-volume standard metallic parts with dependable cam-driven tool movement and rigorous statistical process control.
Robotic Weld Operations
Automated robotic MIG and TIG welding cells that deliver high repeatability, structural joint strength, and minimal thermal distortion for integrated assemblies.
Auxiliary Operations
Secondary machining capabilities including centerless grinding, thread rolling, broaching, honing, deburring, and custom surface finishing.
Assembly Operations
Turn-key sub-assembly services integrating press-fit bushings, O-rings, seals, hardware installation, and automated leak testing prior to shipment.
Part Cleaning Operations
State-of-the-art ultrasonic and solvent degreasing systems ensuring parts meet strict microscopic particle cleanliness specs for fluid power & aerospace.
Engineered for Precision, Built for Scale
Our 245,000 sq. ft. modern facility in Bloomingdale, Illinois, houses over 150 state-of-the-art production machine tools. We maintain a continuous investment strategy in cutting-edge automation, high-speed robotics, and advanced CMM metrology. By managing everything from custom tooling design to final ultrasonic cleaning under one roof, we eliminate vendor hand-offs, compress lead times, and deliver 100% compliant parts globally.
Our Contract Manufacturing Process
A structured, data-driven production process designed for complete risk mitigation and quality assurance.
Engineering & DFM Review
Our senior manufacturing engineers review your CAD models to optimize Design for Manufacturability (DFM), reducing material waste and machining cycle time.
Custom Tooling & Setup
In-house toolmakers fabricate dedicated fixtures, form cutters, and specialized collets to ensure rigid workholding and repeatable micro-tolerances.
Precision Production
High-volume manufacturing runs on CNC multi-spindle or Swiss platforms supported by real-time statistical process control (SPC) and tool wear monitoring.
QA Verification & Delivery
AS9100D certified quality teams perform 100% CMM inspection, cleanliness verification, protective packaging, and international export logistics handling.
Precision Machining Materials & Alloys
DuPage Machine Products processes a vast selection of certified raw materials. Our machining parameters and custom tooling geometries are tailored to each specific alloy, ensuring clean chip formation, extended tool life, and smooth surface finishes.
We maintain full lot traceability and material test report (MTR) documentation for all incoming bar stock, extrusions, and forgings, ensuring compliance with international aerospace, defense, and medical industry regulations.
Why Global Procurement Leaders Choose DuPage
- Over 50 Years of Precision Machining Excellence (Est. 1969)
- Dual Certified Quality Systems: AS9100D & ISO 9001:2015
- State-of-the-Art 245,000 Sq. Ft. Single-Site Facility
- 150+ High-End Production Equipment Units for Unmatched Scalability
- Complete In-House Secondary Operations, Washing, & Sub-Assembly
- Proven Logistics Track Record with On-Time Global Shipments
Ready to Scale Your Contract Manufacturing?
Consult with our engineering experts today to discuss your technical drawings, production volume requirements, and global delivery schedules.
AS9100D Certified
Aerospace Quality
Management System
ISO 9001:2015 Certified
Quality Management
System Standard
PMPA Member
Precision Machined
Products Association