Questions & Answers

Paramount Machine was founded in 1964 by Douglas Harsen and has been in continuous operation, under family ownership, ever since.

Paramount Machine is located at 10824 Edison Court, Rancho Cucamonga, California, 91730, approximately forty miles east of downtown Los Angeles, near the Ontario International Airport.

Paramount Machine is located in 12,000-square-feet of modern manufacturing space.

Yes. You can download our brochure here.

Yes. Paramount Machine is compliant with ISO 9001:2015 and AS9100D, and also with the requirements of Boeing specification D1-9000 Rev A SPC.

Yes. Paramount Machine maintains a comprehensive quality assurance manual. A copy of our Q.A. manual is available to qualified personnel upon request.

Our founder, Douglas Harsen, named Paramount Machine when he moved his company into a building on Paramount Street in Irwindale, California, in 1965.

Yes. Paramount Machine offers complete 4-axis machining on our CNC vertical and horizontal machining centers, as well as on our CNC lathes.

Paramount Machine can mill parts up to 40” x 24” x 24” xyz, and we can turn up to 21” diameter x 50" in length.

Yes. Paramount Machine uses MasterCam  for CAD/CAM.  We can receive and interpret your digital datasets in all standard file formats.

We welcome your inquiries. Please contact us today at 909.484.3600 or email us to find out what more than fifty years of precision machining knowledge and experience can do for you.