Wilcox Door Service installs, maintains and repairs commercial doors and loading docks across Ontario, with rolling fire doors as a named product line. Every rolling fire door installation is stated to include a full commissioning test, fusible link inspection and written certification documentation. The firm runs a distinct fire door drop-testing service and publishes NFPA 80 annual inspection guidance covering gap tolerances, fastener checks and Ontario Fire Code compliance. Its fire door page describes the doors it installs as ULC-listed.