Plasteel International Inc. (PII) is a California USA Corporation established in 1985 to promote and license on a worldwide basis Plasteel underground storage tank technologies according to Underwriters Laboratories (UL) Standards and to provide technical and marketing support to a network of independently owned UL Listed Plasteel tank manufacturers located throughout North America, Central America, South America, United Arab Emirates, and Asia Pacific.

Technology License Agreement (TLA) opportunities are available to qualified steel tank manufacturing companies and other business entities worldwide providing Licensees with training services, a complete quality assurance program, and ongoing manufacturing and marketing support.

UL Listed Plasteel double wall tanks are recognized worldwide as a cost effective underground storage tank; the UL Listing includes 360° secondary containment and corrosion protection. Plasteel tanks have been performance tested to UL Safety Standards 1746 and UL Safety Standards 58.