WM. S. TRIMBLE CO. INC.

WM. S. TRIMBLE CO. INC. specializes in the manufacturing and installation of custom metal doors and windows, with a focused expertise in high-performance building envelope solutions for federal facilities. The company delivers precision-engineered door systems, including specialized replacements for sensitive environments such as mental health units and secure loading docks, ensuring compliance with security, accessibility, and durability standards. Their technical capabilities encompass fabrication of steel and aluminum door assemblies, integration of locking hardware and weatherstripping systems, and field installation of mission-critical door replacements that meet federal building codes and operational requirements. Their ability to deliver both manufactured components and on-site finishing work positions them as a dual-capability contractor in the building systems space. The contractor has established a consistent relationship with the Department of Veterans Affairs, delivering door replacement and finishing services for healthcare and administrative facilities, often in high-traffic or secure clinical areas. They also support the Department of Energy with specialized door installations for industrial and logistical infrastructure, demonstrating adaptability across sensitive federal environments. Their work reflects a deep understanding of facility-specific needs, including acoustic control, fire ratings, and ADA compliance. Primarily operating under NAICS 332321 for metal window and door manufacturing, with supporting work in building equipment and finishing contractors, the firm serves the federal government’s infrastructure modernization market with a niche in secure, durable door systems. Their market positioning is defined by precision fabrication and responsive installation in mission-critical federal buildings. As a small business structured as a 2L entity based in Knoxville, Tennessee, WM. S. TRIMBLE CO. INC. operates with a lean, focused team and maintains a regional footprint with national federal reach. The company currently holds no formal government certifications but leverages technical proficiency and direct delivery of specialized building components to serve federal clients effectively.