Our other brands

Family with comfortable oil system Family with comfortable heating system Family

Residential tanks

The safest, most reliable tank you can buy. A logical and responsible choice.

100% SAFE. ECOGARD double bottom system with leak detection system.

Responds to environmental concerns and requirements.

Guaranteed Durability. Polyurethane coating for external protection on PROTEC20.

Up to a 25-year warranty. Granby Industries holds 2 million$ in liability insurance coverage.*

With 50+ years of experience, Granby Industries is known for its quality and proven track record in innovation and design.

* Some restrictions may apply.

News & Events

23 June 2016

Mike VanDenBoom Takes the Wheel at Signature Truck Systems

Mike VanDenBoom has taken the wheel at Signature Truck Systems as its new president, and will drive the company into its global market future. Read full article here.

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1 April 2015

Signature Truck Systems & Lakeshore Metal Works Join the Pro-Par / Granby Industries Family

Clio Michigan, April 1, 2015 – It is official today: Signature Truck Systems Inc. and Lakeshore Metal Works (Signature) have joined forces with Pro-Par and Granby Industries, subsidiaries held by...