As the demand for high-quality, durable, and corrosion-resistant water storage solutions continues to grow, glass water tanks have become an increasingly popular choice. Glass-fused-to-steel tanks provide excellent longevity and low maintenance, making them ideal for potable water, wastewater treatment, and industrial applications. Here, we highlight the top 5 glass water tank manufacturers in 2025, based on their reputation, quality, innovation, and customer satisfaction.
1. CST Industries (USA)
Why They Stand Out:
✅ Global leader in glass-fused-to-steel tanks with over 125 years of experience. ✅ Fusion™ 8000 coating technology, ensuring superior corrosion resistance. ✅ Manufactures tanks for water, wastewater, and industrial applications. ✅ Strong global presence in over 125 countries.
Key Products: Aquastore® Glass-Fused-to-Steel Tanks
Best For: Municipal water storage, fire protection, wastewater treatment.
2. Balmoral Tanks (UK)
Why They Stand Out:
✅ Specialists in modular sectional glass-coated tanks. ✅ BS EN and WRAS-approved, ensuring high safety and quality standards. ✅ Known for fast installation and customization options. ✅ Highly durable, with a lifespan of over 40 years.
Key Products: Glass-Fused-to-Steel Bolted Tanks
Best For: Potable water storage, rainwater harvesting, firefighting water tanks.
3. AWWA Permastore (UK)
Why They Stand Out:
✅ 50+ years of expertise in glass-fused-to-steel tank manufacturing. ✅ Their TRIFUSION® coating technology provides superior chemical resistance. ✅ Wide range of industrial, municipal, and agricultural applications. ✅ Tanks are engineered for extreme weather conditions.
Key Products: PERMASTORE® Glass-Fused-to-Steel Tanks
Best For: Drinking water storage, industrial processing, food and beverage applications.
4. UIG Tanks (USA)
Why They Stand Out:
✅ Over 50 years of experience in manufacturing bolted steel and glass tanks. ✅ Uses advanced fusion bonding technology to ensure durability. ✅ Offers custom-built designs with various roof and liner options. ✅ Meets AWWA, NSF, and ISO 9001 quality standards.
Key Products: Glass-Fused-to-Steel Water Tanks
Best For: Industrial water storage, desalination plants, wastewater treatment.
5. Superior Tank Co. (USA)
Why They Stand Out:
✅ Family-owned business with 40+ years of experience in steel tank fabrication. ✅ Provides turnkey solutions, including installation and maintenance services. ✅ UL-listed and AWWA-compliant glass-coated tanks. ✅ Tanks are designed to withstand seismic and high-wind conditions.
Key Products: Bolted Glass-Fused-to-Steel Tanks
Best For: Commercial water storage, rural water districts, and government projects.
Final Thoughts
Glass water tanks are a superior choice for long-term water storage, offering corrosion resistance, low maintenance, and a long lifespan. The top manufacturers of 2025 continue to innovate, providing high-performance tanks for municipal, industrial, and agricultural use. Whether you need a custom-built system or a modular bolted tank, these manufacturers offer the best in quality, durability, and industry compliance.
