Commercial Overhead Door and Gate Systems Serving West Michigan customers for over 29 years, we are your "one stop center" for all of your overhead door, gate and access system needs. Commercial and industrial buildings and warehouses have special needs - Sectional doors, coiling steel/aluminum/PVC rollup, hi-speed doors and fire shutter doors are among our specialties. Whatever your need, Reliable Door and Gate has the doors, the gates, the experience, and the expertise.