About

About Granby Composites Granby Composites manufactures aboveground and underground premium-grade fiberglass water storage tanks. We offer customizable tank and pumping vault designs with specialized offerings and match our client’s requirements by leveraging state-of-the-art equipment and expertise: ■ Diameters ranging from 6, 8, or 10 feet ■ Capacities ranging from 2,000-42,000 gallons (7,000-157,000 liters) ■ Lightweight, anti-corrosion, and turnkey solutions for easy installation and use Granby Composites: your trusted partner for high-capacity storage tanks across North America Trust our experts for the engineering, conception, and fabrication of high-capacity storage tanks in North America. Granby Composites manufactures fiberglass tanks for a variety of uses, including fire protection tanks, wastewater tanks, septic tanks, drinking water tanks, rainwater tanks, and more.