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Peerless Precision, Inc. has been providing the highest quality precision-machined parts since it was founded in 1976. Since 1978, the machine parts company has been located in Westfield, Massachusetts.

Peerless is a flexible job shop with 20 employees. It offers a multitude of precision machining capabilities, taking customers from fixtures and prototypes through production runs. We manufacture individual parts as well as fabricate complex assemblies.


The company specializes in grinding (ID, OD, and JIG) and lapping flat and round parts. PPI has the ability to lap sleeves and valves with clearances down to .000020". We have the expertise to lap flat parts to one helium light band on plates up to 6 inches in diameter. Peerless also laps round parts within .000005".

Peerless Precision, Inc. is a full-service, one-stop shop. Under one roof, the company provides grinding (JIG, ID, OD), assembly, lapping (round & flat), turning (CNC & manual), milling (CNC & manual) as well as complete project management. And we machine practically any type of material, including ferrous and non-ferrous metals, carbide, ceramic, and engineered plastics.


*Peerless Precision, Inc. is registered under ITAR, ISO9001 and AS9100.*
**Peerless Precision, Inc. is a Certified Woman Owned Small Business**