Business Details
50+ Years
experience
Your Trusted Partner for Doors & Windows Solutions in Knoxville
Founded in 1936 by William S. Trimble, our company has grown from a small steel-reinforcing business into a trusted leader in the construction industry. We specialize in supplying and installing doors, hardware, and security systems for commercial and residential projects, serving East Tennessee and beyond. Our team includes certified professionals recognized nationally for technical expertise and service excellence.With over 80 years of experience, we maintain a legacy of quality through continuous innovation and a commitment to meeting evolving customer needs. We pride ourselves on fostering long-term relationships with architects, contractors, and developers through reliable solutions and personalized support.
Services
Commercial Doors
Architectural Hardware
Security Integrations
Overhead Door Systems
Access Control
Details
- Year established: 1936
Highlights and features
- We offer 80+ years of specialized expertise in door and hardware systems.
- Our staff includes DHI-certified consultants and award-winning professionals.
- We provide factory-direct distribution for major industry brands.
- We deliver end-to-end solutions from specifications to installations.
- We maintain rigorous quality standards for commercial and residential projects.
Associations and certifications
- FSC
- DHI
- CSI
- UL
Services
Commercial Doors
We supply and install commercial door systems meeting strict building codes and accessibility standards. Our solutions include hollow metal doors, fire-rated assemblies, and custom configurations for new construction or renovations. With technical expertise since 1936, we ensure durability and compliance for institutional, industrial, and retail applications.
Architectural Hardware
Our comprehensive hardware solutions cover hinges, closers, locks, and electrified systems for commercial projects. Certified consultants assist with specification writing and compliance verification. We offer pre-installation services and factory-direct products to guarantee performance and longevity in high-traffic environments.
Security Integrations
We design integrated security systems featuring video surveillance, intrusion detection, and wireless locking mechanisms. Our solutions protect facilities while enabling customized user access protocols. Certified technicians implement scalable systems compatible with existing infrastructure for commercial and government clients.
Overhead Door Systems
We distribute and install overhead door systems for commercial and industrial facilities, including high-speed operators and insulated sections. Our technicians ensure proper functionality for warehouses, manufacturing plants, and vehicle maintenance centers. We also provide maintenance contracts for sustained operational efficiency.
Specification Consulting
Our certified consultants assist architects with CSI-compliant specifications and product selection. We review construction documents to ensure code compliance and coordinate with contractors during installation. This service minimizes project delays while guaranteeing accurate material procurement for complex building systems.
People
Bill Trimble
President
President of Wm. S. Trimble with 17 years in the door and hardware industry. Holds a bachelor's degree in engineering from Vanderbilt University and serves on DHI's Board of Governors.
Tom Rubright
Vice President
Vice President overseeing operations and client relations. Brings extensive management experience to coordinate large-scale commercial door and hardware projects across Tennessee and surrounding regions.
Nathan Cox
Vice President
Divisional manager of Overhead Door Co. of Knoxville with 34 years of industry experience. Specializes in industrial door systems and distribution network optimization for commercial clients.
Questions
What services does Wm. S. Trimble Company offer?
We provide commercial and residential door systems, architectural hardware, security integrations, overhead doors, and specification consulting services for architects and contractors.
How long has the company been in business?
We've served the construction industry since 1936, providing door, hardware, and security solutions for over 85 years.
Are your technicians certified?
Yes, our team includes DHI-certified consultants and award-winning professionals with specialized training in door systems and security integrations.
Do you serve areas outside Knoxville?
We operate in East Tennessee, Chattanooga, Johnson City, and Salem, Virginia, with project experience across the Southeastern United States.
Can you assist with commercial project specifications?
Our certified consultants provide CSI-compliant specification writing and technical support for architects and construction managers.
Reviews (3)
Bryan Stokes
Dec 31, 2019
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I had a rare part no one could find but Craig there went out of his way and figured it out big thanks
Mike
Jan 05, 2019
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Very helpful staff great place for your Hardware and door needs Thanks for the great service Time After Time
Kevin Hanson
Jun 07, 2013
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Hands down the worst customer service I have ever experienced. Take your business elsewhere if at all possible. These guys are unorganized, scam artists. I called in mid July to get an estimate; the replacement door didn't get installed until 6 weeks later. I repeatedly told them this was an emergency replacement. They had no sense of urgency. I had to call at least 12-15 times. The quote was also a total rip off. When I called to discuss my issues with the work that was done, I was very rudely talked down upon. AVOID DOING BUSINESS WITH THIS COMPANY!
