Pen Manufacturing is a full-service metal fabrication and precision manufacturing company based in Anaheim, California. Formed through the merger of three established fabrication businesses, the company combines decades of experience to deliver comprehensive, high-quality manufacturing solutions across a wide range of industries.
The company specializes in welding, sheet metal fabrication, machining, and assembly, supporting projects from prototyping to full-scale production. With a team of engineers and advanced in-house capabilities, Pen Manufacturing is equipped to handle complex, high-precision work for industries such as aerospace, defense, energy, electrical data center, and industrial manufacturing.