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Hartman Enterprises, Inc. (HEI) is a privately held, non-union, New York State Corporation owned and operated by the Sweet Family for three generations. Since 1972 HEI has been serving the machining needs of a wide variety of industries. Our advanced technology and multitasking machines allow us to deliver precision and quality, along with quick job turn around and competitive pricing. We welcome all inquires; no job is too big or small. HEI can provide the expertise you need and we would be pleased to work with you. HEI has been ISO 9001 certified continuously for over 15 years.



CNC Turning up to 55 inches
CNC Milling
Swiss Machining
Surface Grinding
Reverse Engineering
Custom Laser Marking
Cutting and Fabrication
Tooling and Fixturing
Custom Deburring
Vapor Cleaning


Our facility consists of over 25,000 square feet of manufacturing space employing more than 45 people. We are located in Oneida, New York. Oneida is centrally located among Montreal, Toronto, Buffalo, Boston, and New York City.