Call Now
Website
Call
Business Details
50+ Years
experience
Trusted Construction Contractors in Knoxville
Founded in 1936 by William S. Trimble, our company has built a legacy of excellence in the construction industry. We began by supplying reinforcing steel and expanded our offerings through strategic partnerships with industry leaders like Overhead Door Corporation and Fenestra Steel. Over eight decades, we have evolved into a comprehensive solutions provider for commercial and residential construction needs, specializing in doors, hardware, and security integrations. Our leadership has transitioned through four generations, maintaining a commitment to quality and innovation. We serve architects, contractors, and developers with technical expertise and certified professionals, including DHI Founders Award recipients and certified Architectural Hardware Consultants.

Our factory-direct distribution model ensures access to top-tier products, while our installation and pre-installation services meet rigorous quality standards. We hold certifications from FSC, AGC, ABC, and CSI, reflecting our dedication to industry best practices. With offices across Tennessee and Virginia, we continue to support regional growth while embracing new opportunities. Our 80+ years of experience position us as trusted partners in delivering construction projects of all scales. We prioritize collaboration, technical precision, and long-term client relationships to meet evolving industry demands.
Services
Commercial Doors Residential Windows Hardware Distribution Security Integrations Access Control Video Surveillance Overhead Doors Dock Equipment Pre-Installation Services Specification Consulting
Details
  • Year established: 1936
Highlights and features
  • We have 80+ years of experience in construction contracting and product distribution.
  • Our team includes certified Architectural Hardware Consultants and DHI Founders Award recipients.
  • We offer FSC-certified products for sustainable construction projects.
  • We provide factory-direct distribution of major door and hardware brands.
  • We maintain industry-leading certifications including AGC, ABC, and CSI memberships.
Associations and certifications
  • FSC
  • AGC
  • ABC
  • CSI
  • DHI
Services
Commercial Doors
We provide comprehensive commercial door solutions including hollow metal doors, wood doors, and specialized access systems. Our products meet industry standards for safety and durability while offering aesthetic flexibility. Clients benefit from our technical expertise in selecting and installing doors that comply with building codes and project specifications.
Security Integrations
Our security integrations include access control systems, video surveillance, and intrusion detection technologies. We implement scalable solutions for commercial facilities that combine physical security with digital monitoring capabilities. Clients receive customized systems that enhance building security while maintaining operational efficiency.
Hardware Distribution
We distribute architectural hardware, bath accessories, and specialized components directly from manufacturers. Our inventory includes commercial-grade hardware for new construction and renovation projects. Clients access competitive pricing and technical support for hardware specification and installation.
Pre-Installation Services
Our pre-installation services apply hardware components to doors before job site delivery. This includes hinges, closers, locks, and electrified hardware systems. Clients benefit from precision installation that reduces on-site labor time and ensures proper functionality of door assemblies.
Specification Consulting
We offer specification consulting services to architects and contractors for construction documentation. Our experts ensure specifications are accurate, code-compliant, and coordinated with project requirements. Clients receive technical support that minimizes change orders and improves project outcomes.
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 as President of DHI's Board of Governors.
Tom Rubright
Vice President
Vice President with extensive experience in commercial construction products and services. Manages key client relationships and operational aspects of the company's distribution business.
Nathan Cox
Vice President
Divisional manager of Overhead Door Co. of Knoxville with 34 years of experience. Oversees operations for the company's overhead door distribution and installation services across Tennessee.
Questions
What construction services does Wm. S. Trimble Company provide?
We specialize in doors, hardware, and security integrations for commercial and residential projects. Services include product distribution, installations, access control systems, and specification consulting.
How long has the company been in business?
We have served the construction industry since 1936, providing over 85 years of expertise in door and hardware solutions.
Do you offer FSC-certified products?
Yes, we provide FSC-certified products for sustainable construction projects. Our certification number is FSCĀ® C021614.
What areas do you serve?
We operate from offices in Knoxville, Chattanooga, and Johnson City, Tennessee, as well as Salem, Virginia, serving regional construction needs.
Are your staff certified professionals?
Our team includes DHI Founders Award recipients and certified Architectural Hardware Consultants with industry-recognized expertise.
What certifications does the company hold?
We maintain certifications from AGC, ABC, CSI, and FSC, along with state-specific licenses for construction and security services.
Reviews (3)
Bryan Stokes
Dec 31, 2019 Report
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 Report
Very helpful staff great place for your Hardware and door needs Thanks for the great service Time After Time
Kevin Hanson
Jun 07, 2013 Report
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!