Safe, Compliant, and Expertly Installed Solutions
Trust May Tank Company for Your Granby Oil Tank Installation
M.A.Y. Tank Company specializes in the professional installation of Granby Oil Tanks, a trusted name in the industry known for its durability, safety, and efficiency. Whether you’re replacing an old tank or installing a new system, our expert team ensures a seamless and secure setup that meets all industry standards and local regulations. We offer single-wall and double-wall Granby oil tanks, designed with corrosion-resistant coatings and advanced safety features to provide long-lasting performance and peace of mind.
Our installation process includes a thorough site assessment, professional removal of any existing tanks (if needed), and precision installation to optimize safety and functionality. We take pride in our workmanship, ensuring all connections and fittings are secure to prevent leaks and environmental hazards. With over 30 years of experience serving Long Island, May Tank Company is committed to providing reliable, high-quality service. Contact us today to schedule your Granby Oil Tank installation and ensure your home or business has a safe and efficient fuel storage solution.

Granby EcoGard Tanks
M.A.Y. Tank Company also installs Granby EcoGard tanks, a reliable and environmentally friendly option for home heating oil storage. These tanks feature double-wall construction with a galvanized steel exterior and a seamless, high-density polyethylene inner tank for maximum protection against leaks and corrosion. Designed for durability and safety, Granby EcoGard tanks come with a 25-year warranty, ensuring long-term performance and peace of mind. With their compact design and robust construction, they provide a space-saving solution without compromising on quality. As experienced professionals, M.A.Y. Tank Company ensures proper installation, giving our clients a safe, efficient, and worry-free heating oil storage system.
- Double-bottom design for utmost protection against leaks
- Visual primary tank monitoring system
- Welded lap joint: the strongest one
- Standard dimensions of the tank and positioning of the NPT openings for simple and easy retrofit installation
- Two large grip handles on both sides for greater ease of manipulation
- The handles are recessed and never in the way
- Phosphate washed and oven-dried paint coated
- Light color paint finish such that condensation is less likely to occur within the tank
- Robust tank leg brackets welded to the tanks. Optional legs are also available.
- All tanks are factory pressure tested prior to shipping

Granby Steel Tanks
Granby Steel Tanks have a welded lap joint the strongest one. Always a tough tank Granby Steel Tanks have handles on both sides for easy handling. Granby Steel Tanks come with a 10-year warranty.
- Standard physical dimensions and NPT openings for easy retrofit installation
- Two large grip handles on both sides for greater ease of manipulation
- The handles are recessed and never in the way
- Robust tank leg brackets for greater stability
- All tanks are factory pressure tested prior to shipping

Granby Installation Photos
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Granby Tank Basement Installation -
Granby Tank Basement Installation
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