Welcome to Reliable Door & Supply of Grand Forks, ND! From factory doors to truck docks, our company provides both knowledgeable and prompt service to your commercial business. Whether it's steel, wood, vinyl, or carriage house style, we have multiple styles and colors. Many of the doors we sell boast an impressive R-value. Garage Door Openers - Grand Forks, ND - Reliable Door & Supply Our dock equipment products include: Doors for box trucks Factory doors Levelers Semi-trailer doors Storage unit doors We repair: Broken springs Broken cables Rollers Hinges Transmitters Damaged panels Garage door openers Bringing you top-quality garage door sales from top-notch manufacturers: Commercial garage doors Residential garage doors Rolling steel garage doors Sectional overhead doors Choose the garage door that meets your budget and style sensibilities: Steel garage doors Raised steel panel doors Flush steel panel doors Carriage house style doors Ribbed garage doors Energy efficient garage doors Our trained technicians provide superior technical service and excellent customer service. We are licensed and insured for your protection. We work with brand name manufacturing companies.