Trusted Manufacturing Machine Shop Since 1953

Catering to Your CNC Machining and Repair Needs


Welcome to Our Custom Precision Machining Facility

Gonsel’s Machine Shop is a family-owned-and-operated machining and fabrication shop celebrating 70 years of service to the San Francisco Bay Area. Located near the Oakland Airport and the Coliseum Complex.

Established in 1953 by Leonard “Lenny” Gonsalves, and run by his son, Jim Gonsalves, and his nephew, Bill Seavers, bringing the company into the 2020s. Currently, the third generation, Jim Gonsalves, a business graduate from California Polytechnic State University, San Luis Obispo, heads the business bringing his knowledge and skills to the business.