ABOUT US
Precision Deep-Hole Machining Experts
American Drilling Company is a precision machining provider specializing in deep-hole drilling and related machining services for aerospace, medical, commercial, and industrial customers. With state-of-the-art CNC machining, gundrilling, wire-hole drilling, Swiss-style turning, and honing capabilities, we deliver accurate, reliable components with fast turnaround times.
HISTORY & EXPERIENCE
American Drilling Company traces its roots back to the 1940s through its founders’ experience in precision machining. The company has operated as American Drilling Company since 1963 and has built a reputation over more than five decades for precision workmanship and efficient production. Over this time, the company has expanded its services from traditional deep-hole drilling to include modern CNC machining and other high-precision processes while maintaining a strong dedication to accuracy and customer service.
We are committed to precision, consistency, and responsiveness, aiming to exceed customer expectations in every program. Our work ethic centers on technical rigor, quality assurance, and partnership with clients.

Quality, Compliance & Approvals
American Drilling Company has implemented a Quality Management System in accordance with AS9100:D & ISO 9001:2015. This system governs precision machining, including turning, milling, drilling, tapping, gundrilling, and honing for aerospace, medical, and commercial industries, ensuring consistent quality and documented process control.
Facilities & People
American Drilling Company operates a 30,000+ square-foot facility in Torrance, California, equipped with over 400 machines and supported by more than 75 skilled employees capable of handling diverse machining needs. Our facility includes a wide range of CNC mills, CNC lathes, Swiss-style machines, gundrilling machines, honing machines, and wire-hole drilling machines, all under one roof to provide comprehensive machining solutions. Our team brings decades of combined experience and technical expertise, enabling rapid turnaround on most jobs and responsive support for customer needs.


Industries We Serve
American Drilling Company serves a broad array of industries that demand precision and quality in machined components. These include:
- Aerospace
- Commercial Manufacturing
- Defense & Military Applications
- Industrial Markets
Let’s Talk
We’re here to help. Connect with our team to review your requirements and explore how our capabilities can support your production goals.