About Us
Built on Expertise. Driven by Integrity.
For over 27 years, Ambassador Building Systems has been the trusted UL-listed fire door and smoke curtain contractor for commercial and industrial facilities across North Carolina and the Carolinas.
Our Story
From the Ground Up
Ambassador Building Systems was founded on a simple premise: complex building systems deserve expert execution. From our earliest commercial door installations to today's large-scale UL-listed fire door and smoke curtain programs, we've built our reputation one NFPA 80 compliant project at a time.
Over 27 years, we've grown our capabilities to serve the full spectrum of commercial and industrial clients across North Carolina — from single-building fire door retrofits to multi-site national programs. Our team brings deep technical knowledge to every project, whether it's a standard commercial package or a highly specialized life-safety installation.
What hasn't changed is our commitment to doing the work right. NFPA 80 compliance and UL listing aren't checkboxes for us — they're the foundation of every fire door and smoke curtain system we build.
What We Stand For
Our Values
Safety First
Every assembly we install is a life-safety system. We treat it that way — no shortcuts, no exceptions.
Technical Excellence
Our team stays current on codes, standards, and product innovations so our clients always get the best solution.
Accountability
We stand behind our work. If something isn't right, we make it right — no excuses.
Partnership
We work as an extension of your team, not just a vendor. Your project's success is our success.
Credentials
Certified. Qualified. Ready.
Our certifications and qualifications ensure every installation meets the highest standards for safety, quality, and code compliance.
UL Listed Installer
Certified to install UL-listed fire door assemblies in compliance with NFPA 80 and applicable building codes.
NFPA 80 Compliance
All fire door installations are performed and documented in full compliance with NFPA 80 Standard for Fire Doors and Other Opening Protectives.
DHI Member
Active member of the Door and Hardware Institute, keeping our team current on industry standards and best practices.
Licensed & Insured
Fully licensed and insured in all operating jurisdictions, with comprehensive general liability and workers' compensation coverage.
GSA Approved
Approved to perform work on federal government facilities, meeting GSA security and construction specifications.
Annual Inspection Certified
Qualified to perform and document annual fire door inspections per NFPA 80 Section 5.2 requirements.
