Diamond Machine Works, Inc. is a third generation family run business founded in 1959 by Al Swan. The company today is operated by Bjorn Swan; formerly by Glenn Swan, and supplies machined parts to a long list of satisfied customers. Quality service is our commitment to you. We guarantee top quality parts made to your exact specifications, delivered on time with competitive prices.

Using the latest technological advances in the industry, the highly-trained and experienced machinists at Diamond Machine Works, Inc. specialize in the fabrication and assembly of production runs and prototype models for the aircraft (military and commercial), medical, and high tech industries.

Our sophisticated equipment provides both conventional and fully computerized CNC capabilities at tolerance levels of plus or minus .0002″. We produce parts from superalloys, stainless steel, all types of aluminum, a variety of other metals and plastics.

Our Seattle location gives us the opportunity to make use of the services of a myriad of certified sources for plating, painting, heat treating and testing to satisfy our total product requirements.

Diamond Machine Works, Inc.