Machine Shops locations near Portsmouth, NH

Showing 1–4 of 4 results

Portsmouth, NH has 4 machine shops listings in our directory. Details on this page were last refreshed Sep 2026.

Updated Sep 2026

Chadwick & Trefethen

📍 50 Borthwick Ave, Portsmouth, NH, 03801

📞 603-436-2568

🌐 chadwickreamers.com

Chadwick & Trefethen is a machine shop located in Portsmouth, New Hampshire. The shop specializes in CNC machining and has been serving the area since at least 2005. While specific services are not detailed, its long-standing presence indicates a commitment to the industry.

Updated Aug 2026

Crosby Automotive Machine

📍 20 Mirona Road Ext, Portsmouth, NH, 03801

📞 603-427-0360

🌐 dynatune.com

Crosby Automotive Machine is a machine shop located in Portsmouth, New Hampshire, specializing in car computers, custom engines, diagnostics, fuel systems, locating services, sensors, and starters and ignitions. They also offer batteries and tools for automotive needs. Although their online presence was last active in 2020, they continue to serve the local community with various automotive services.

Ripley Roland H & Son Inc

📍 59 Cass St, Portsmouth, NH, 03801

📞 603-436-1926

Sanel Auto Parts Co

📍 255 Vaughan St, Portsmouth, NH, 03801

📞 603-436-3834