History of Tank Products, Inc.

Providing High Quality Storage Tank Products Since 1960


Tank Products, Inc. is a manufacturer, assembler, and distributor of products designed for the erection, reassembly, and repair of both bolted and welded steel storage tanks, water storage tanks and fuel storage tanks.


Tank Products, Inc. was originally founded in the early 60’s in a garage as a family business concentrating on fastening systems. After having success in gaining the first approval by API 12-B for the A216 steel Unitank flange, we incorporated as Tank Products, Inc. in the early 80’s. 

Experiencing continual and rapid growth it has been necessary to relocate several times to accommodate our inventory and size requirements. In 1990, we purchased and moved to our own facility centrally located in the city of Ontario, Southern California (near the Ontario Airport). With our own large facility, Tank Products, Inc. has the capacity and capability of offering the highest quality and most reliable products available across the country from California to Texas to Ohio, Florida and any where else across the country.


Storage Tank Products

We are a dynamic business, originally starting with fasteners and with several decades of attrition becoming a full line API Storage Tanks parts and accessories supplier. Our catalog covers gauge board style liquid level indicatorsflanges, hatches, gaskets, and fastening systems, (including square head hardware.) All items comply with AWWA, API 12-B, or NSF Standards. 


Customer feedback and requirements drive our product lines. We listen to the needs and fulfill them with new products being designed, tested, and implemented regularly. We cater worldwide to municipal, asphalt emulsion, crude oil, potable water, wastewater, dry bulk, and fire protection industries. 

Contact Us Today

Regardless of the size of your next project, Tank Products, Inc. looks forward to exceeding your expectations for storage tank parts and accessories. If you require further information about our company, please use the "contact us" form on our web site or call us at 909-923-3188.

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Tank Products, Inc.


3969 E. Guasti Road, Unit D

Ontario, CA  91761


Phone: 909.923.3188

Fax: 909.923.9858

We accept major credit cards

Proudly serving the Inland Empire


Tank Products, Inc. specializes in API (American Petroleum Institute) & AWWA (American Water Works Association) products for the storage tank industry. We have the knowledge and experience to help you with a wide selection of fasteners, API flanges and more for both bolted & welded steel storage tanks, water storage tanks, fuel storage tanks and more.

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