Welcome to Sinn-Tech inc.

Established 1984, Sinn-Tech Inc. is a precision machining company that has been supporting the needs of the manufacturing community for over thirty years. Located in West Babylon, Long Island, NY, we specialize in complex machining, contract manufacturing and assembly work for a multitude of industries including aerospace, military, and medical. We work with various types of material such as but not limited to Inconel, Beryllium Copper, Titanium, Aluminum, Stainless and Plastics.

Quality SINN-TECH has the tools, technology, trained staff and the most modern equipment to ensure conformance with product specifications. SINN-TECH has the manufacturing skill and experience to verify and maintain quality from start to finish: from raw material inspection to in-process control to first piece approval to final inspection.	Capabilities SINN-TECH has a full complement of horizontal mills, vertical mills, turning machines, and assembly tools.