Granite State Manufacturing
US contract manufacturer founded 1937 in Manchester, NH, producing precision components for US Navy submarines, defense systems, robotics, and aerospace.
Granite State Manufacturing (GSM), founded in 1937 and headquartered in Manchester, New Hampshire, is an ITAR-registered small business contract manufacturer with over 85 years of precision machining and fabrication experience. GSM specializes in complex, tight-tolerance components and integrated assemblies for the US Navy, defense, aerospace, robotics, medical, and semiconductor industries. The company manufactures precision components for Virginia-class and Columbia-class submarines, with systems from its Manchester facility installed on every submarine in the US Navy fleet.
GSM operates modern CNC machining centers, large-format five-axis mills, turning equipment, wire EDM, and welding systems. It opened an expanded 120,000-square-foot facility in Nashua, NH. GSM holds AS9100D and ISO 9001:2015 certifications and is ITAR registered.
Primary type & automation activities this supplier delivers:
More related news
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
-
12
Suzy Teele’s Mission at ARM Institute RobotToday · Oct 13, 2026
- 13
- 14
- 15
- 16
- 17
- 18
- 19
- 20
Contact Granite State Manufacturing
WEBSITE
https://granitestatemfg.comPHONE
+1 800-464-7646HEADQUARTERS
United States
Company Facts
Founded
1937
Primary Role
Manufacturer
Company Size
-
Primary Region
North America
Annual Sales
-
Funding Stage
-
Funding Total
-
Certifications & Memberships
