Precision CNC Milling
High-accuracy multi-axis CNC milling for complex geometries and critical components. We hold tolerances from +/-.005 down to +/-.0005, serving aerospace, defense, and industrial applications with repeatable precision.
California's aerospace, defense, and industrial sectors demand components machined to exacting standards. Douglas Machine & Engineering delivers precision CNC milling with tolerances as tight as +/-.0005, handling parts up to 20,000 lbs. From concept through installation, our ISO 9001:2015 and AS9100D certified team ensures every milled component meets your most demanding specifications—on time, every time.
Comprehensive CNC milling and machining solutions engineered for aerospace, defense, industrial, and high-tech California manufacturers.
High-accuracy multi-axis CNC milling for complex geometries and critical components. We hold tolerances from +/-.005 down to +/-.0005, serving aerospace, defense, and industrial applications with repeatable precision.
Full-service CNC lathe turning for cylindrical and contoured parts. We machine components up to 20,000 lbs with tight dimensional control, supporting prototypes and production runs across demanding industries.
In-house design engineering using PTC Creo, CATIA v5, and AutoCAD to take your concept from initial design through programming and finished part production—all under one roof.
Rigorous dimensional verification using CMM analysis, granite surface plates, and First Article Inspection (FAI) reporting per AS9102, ensuring every milled component meets your specification requirements.
Precision heat-treat processing coordinated through certified supply partners to enhance hardness, strength, and durability of milled components—fully integrated into your project workflow.
In-house powder coating, paint, and partner-coordinated plating services to deliver components with complete surface protection, corrosion resistance, and functional finishes ready for immediate deployment.
Our in-house engineers analyze your part drawings, material specs, and tolerances using PTC Creo, CATIA v5, or AutoCAD. For California aerospace and defense customers, we ensure designs align with applicable regulatory and contractual requirements before a single chip is cut.
We combine ISO-certified quality systems, decades of machining expertise, and a true concept-to-installation approach to be California's most reliable precision CNC milling partner.
Our ISO 9001:2015 and AS9100D certifications meet the stringent quality standards required by California's aerospace and defense contractors.
From design engineering and CNC milling to heat treat, plating, and assembly—every process is managed in-house or through vetted partners under one roof.
We routinely machine components to tolerances as precise as +/-.0005, handling parts up to 20,000 lbs for the most demanding industrial applications.
Our open-door policy and dedicated project management ensure California clients receive proactive updates, on-time delivery, and professional issue resolution at every stage.
A skilled, certified workforce dedicated to precision, quality, and on-time delivery.
Douglas Machine & Engineering—operating as DM&E—is an ISO 9001:2015 and AS9100D certified precision manufacturer serving California's aerospace, defense, robotics, agricultural, and industrial sectors. Built on a foundation of craftsmanship and a revitalized commitment to customer service, DM&E operates as a true one-stop shop, managing every project from concept and design engineering through CNC machining, fabrication, finishing, and final installation. The company recently marked a significant milestone with the grand opening of a new, high-capacity CNC Machining production shop—demonstrating a clear commitment to growth and enhanced production value. With AWS certified welders, in-house FeatureCAM programming, advanced metrology capabilities, and comprehensive project management, DM&E ensures quality stays in-house while reducing transportation costs and procurement complexity for California manufacturers who demand nothing less than precision.
DM&E serves aerospace, defense, robotics, agricultural, food-grade packaging, pharmaceutical, construction, and general industrial industries—providing precision milled components that meet the specific standards of each sector.
Talk to our engineering team for a free consultation and project quote.
Internationally recognized quality management system certification.
Aerospace quality management standard for defense and aviation.
American Welding Society certified welding professionals on staff.
Share your project requirements and our engineering team will respond promptly with a detailed quote. We serve aerospace, defense, and industrial clients across California with ISO-certified precision from concept through installation.
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.