

stinesmachineinc.com
Stines Machine is a precision CNC machine shop based in San Diego, California. The company provides milling and turning services for prototype and production parts and supports a wide variety of metals and plastics. It offers turnkey finishing and inspection solutions including plating, grinding, honing, heat treat, NDT, and polishing. Stines serves aerospace, defense, medical, semiconductor and other high‑technology markets.

sdprototypes.com
SD Prototypes Manufacturing Solutions Inc. provides precision machining and prototype manufacturing services with specialties in Wire Electrical Discharge Machining (Wire EDM) and small-hole EDM drilling. The company also offers CNC milling (2-, 3- and 4-axis), 2-axis CNC turning and surface grinding. SD Prototypes serves industries including aerospace, medical, punch-and-die, and power generation and maintains calibrated inspection tools and documented quality procedures.

clintprecision.com
Provides precision machining and cutting services including CNC turning, vertical milling, waterjet cutting, and fixtures and tooling. Operates laser engraving and palletized CNC milling equipment for prototype and production work. Supports R&D projects as well as short and long production runs.