D.F. O'Brien & Associates

Precision Machining and Tooling

970 Discovery Lane

Anaheim, CA 92801

Ph 714.765.1192 Fax 714.765.1193

email machine@dfobrien.net

AS9100D Certified with ISO 9001:2015

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D.F. O'Brien & Associates specializes in die and mold machining along with production parts. We have extensive experience working with dies up to 16,000 lbs. We also do production machining of parts to support a variety of industries. We have experience working with a wide variety of materials from plastics, aluminum, all types of steel, copper, high tempurature and exotic alloys.


Our mission is to provide the highest level of quality, service and on-time delivery at a reasonable price. D.F. O'Brien is committed to continuous improvement of manufacturing processess and methods to provide the best possible quality and service to our customers. We strive to provide a work enviroment for our employees that provides the highest degree of job satisfaction that we believe will provide the highest level of quality to our customers. We stand behind all of our products.