ARC Group Worldwide
Plastics ManufacturingColorado, United States51-200 Employees
ATC Mold is a plastics-focused tooling and injection molding company based in Longmont, Colorado. Founded in 1999, it designs and builds plastic injection molds in-house at U.S.-based facilities, serving medical, electronics, consumer, and military/police/tactical sectors. The organization emphasizes capabilities for molding components that require careful handling and precision. Its operations span over 24,000 square feet of manufacturing space and include 24 molding presses ranging from 40 to 360 tons. A dedicated Class 100,000 clean room supports molding for medical devices and other sensitive parts. The company maintains ISO 9001:2008 and ISO 13485 certifications, reflecting established quality management and regulatory compliance.