Dynomill Inc. is a service-based corporation based out of South El Monte, California that specializes in precision machining, resonance testing, dynamic balancing, and spin testing. More specifically, our company specializes in manufacturing turbo expanders and compressors impellers.

Our 10,000 square foot facility has the ability to accommodate various part sizes and weights, ranging up to 30” in diameter for machining and 120 pounds for spin testing.