As the need for high-quality, durable, and corrosion-resistant water storage solutions continues to rise, glass water tanks are gaining popularity. Glass-fused-to-steel tanks offer exceptional longevity and minimal maintenance, making them an excellent choice for potable water, wastewater treatment, and industrial applications. In this article, we present the top five glass water tank manufacturers of 2025, selected based on their reputation, product quality, innovation, and customer satisfaction.
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.
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.
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.
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.
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 an excellent solution for long-term water storage, delivering superior corrosion resistance, minimal maintenance, and extended durability. In 2025, leading manufacturers continue to drive innovation, offering high-performance tanks for municipal, industrial, and agricultural applications. Whether you’re looking for a custom-engineered system or a modular bolted tank, these top manufacturers provide the highest standards of quality, longevity, and industry compliance.
