Precision CNC Machining
State-of-the-art CNC mills and lathes deliver tolerances from +/-.005 to +/-.0005 on components up to 20,000 lbs, meeting the exacting dimensional requirements of aerospace and defense programs.
Precision matters most when components fly. Douglas Machine & Engineering delivers AS9100D and ISO 9001:2015 certified CNC machining solutions built to aerospace and defense industry standards. From tight-tolerance milling and lathe turning to full-scope fabrication and quality inspection, we manage every step in-house—so your critical components arrive on spec, on time, every time.

Comprehensive AS9100D-certified machining and fabrication solutions for aerospace, defense, and high-demand industrial applications.
State-of-the-art CNC mills and lathes deliver tolerances from +/-.005 to +/-.0005 on components up to 20,000 lbs, meeting the exacting dimensional requirements of aerospace and defense programs.
AS9100D-compliant inspection including First Article Inspection (AS9102), CMM analysis, dimensional verification on certified granite tables, and complete quality documentation for aerospace regulatory compliance.
In-house design team uses PTC Creo, CATIA v5, and AutoCAD to take concepts from initial development through production-ready programs, ensuring seamless integration with machining workflows.
Specialty welding services performed by AWS-certified welders, supporting structural fabrications up to 20 tons for aerospace structures, assembly fixtures, and hydraulic/electronic weld tooling.
Precision heat-treat processing and industrial plating coordinated through certified supply partners, enhancing material hardness, corrosion resistance, and conductivity to meet aerospace material specifications.
End-to-end program management from concept through installation, consolidating all in-house and supplier processes under one purchase order to reduce costs and maintain quality ownership throughout.

Our in-house engineers analyze your aerospace component drawings and specifications using PTC Creo, CATIA v5, and AutoCAD. We identify critical tolerances, material requirements, and compliance checkpoints before a single program is written.
See how DM&E delivers certified precision, on-time performance, and quality-controlled results for demanding programs.
DM&E combines AS9100D certification, in-house expertise, and single-source accountability to deliver aerospace components you can trust.
ISO 9001:2015 and AS9100D certified operations ensure every aerospace component meets rigorous quality and traceability standards.
From design and machining to welding, inspection, and finishing—all managed under one roof and one purchase order.
Our CNC capabilities achieve tolerances as precise as +/-.0005, meeting the exacting dimensional requirements of aerospace and defense components.
Dedicated project management and careful planning keep every aerospace program on schedule, reducing supply chain risk and production delays.
A dedicated precision manufacturing team serving aerospace and defense industries.
Douglas Machine & Engineering (DM&E) is a precision manufacturing company operating as an ISO 9001:2015 and AS9100D Certified facility, purpose-built to serve the demanding requirements of aerospace, defense, robotics, and industrial sectors. Holding a CAGE Code (87BF4) and operating as a SAM and JCP approved supplier, DM&E has the credentials that aerospace primes and government contractors require. The company recently completed the grand opening of a new CNC Machining production shop, significantly expanding capacity and production value for aerospace programs. DM&E's core strength is its one-stop-shop model: an in-house design team, AWS-certified welders, advanced CNC equipment, and full project management ensure quality stays in-house from concept through installation. Their culture of transparency, open communication, and revitalized customer service commitment makes them a trusted long-term manufacturing partner.
An aerospace CNC machinist is a skilled professional who operates computer-controlled machining equipment to manufacture precision components for aircraft, spacecraft, and defense systems. They work from engineering drawings and CAM programs to produce parts that meet strict aerospace tolerances and quality standards such as AS9100D.
Speak directly with our engineering and quality team for a tailored consultation.
Aerospace Quality Management System standard for aviation, space, and defense.
International standard for quality management systems and process excellence.
American Welding Society certification ensuring weld quality and structural integrity.
Share your component drawings, tolerance requirements, and program details. Our engineering team will review your specifications and respond with a tailored proposal, typically within one business day.
For immediate assistance, feel free to give us a direct call at +1 563-324-0611 You can also send us a quick email at lschaul@doug-machine.com
For immediate assistance, feel free to give us a direct call at +1 563-324-0611 You can also send us a quick email at lschaul@doug-machine.com