Please visit our other companies at the following links.

Denali Incorporated is a privately held company founded in 1995, which has become — through a series of strategic acquisitions — the world's largest supplier of custom engineered, fiberglass reinforced composite corrosion resistant fluid handling products for such diverse industries as petroleum, chemical/petrochemical, power, pulp & paper, water/wastewater, microelectronic and pharmaceutical.

The Denali group consists of industry leading brand names and companies including Containment Solutions, Fluid Containment, Inc., Hoover, Ershigs, Belco Manufacturing, and more.

Denali companies have facilities throughout the Untied States and manufacture a variety of critical fluid handling products including above and below ground FRP tanks, vessels, towers, stacks, scrubbers, piping systems, duct, dampers, butterfly valves, manholes and oil/water separators.

Plasticon Companies

Ershigs is the world leader in the design and manufacture of corrosion resistant FRP applications. In business since 1921, and as a manufacturer of FRP products since 1960, Ershigs has pioneered many of the key innovations in the use of FRP in corrosion resistant applications over the years. Ershigs offers a full range of products, including storage and process vessels, duct systems, valves, process and effluent piping, large field manufactured vessels, washer and ventilation hoods, stack and chimney liners, scrubbers, and spray header piping and assemblies.

Belco custom manufactures a host of corrosion-resistant, fiberglass reinforced products including tanks, vessels, pipes, ducts, scrubbers, towers, and manholes - primarily for petroleum, industrial and water/wastewater applications. Its broad capabilities entail in-house structural and mechanical engineering support, as well as drafting for custom fabrications.

Belco provides dependable, cost-effective, integrated solutions for the chemical processing, pulp and paper, water and wastewater, metal and mining, electronics, and power generating industries.

Fabricated Plastics Ltd is a global leader in the design and manufacture of thermoplastic lined FRP, unlined FRP and thermoplastic assemblies for corrosion applications. Founded in 1962, Fabricated Plastics has a rich history providing quality composite equipment and professional service to companies throughout the world and in industries to include: Pulp and Paper, Metals & Mining, Chemical Processing, Food & Drug, Semiconductor, and Power. Fabricated Plastics' thermoplastic lined & thermoplastic assemblies can be produced using olefins, vinyl's and fluoropolymers. Fabricated Plastics offers a wide range of engineered products including scrubber system process design and supply, tanks, piping, ductwork, stacks, acid cooling towers and scrubber internals.

Containment Solutions

Containment Solutions, Inc. (CSI) specializes in the manufacture of fiberglass composite and steel storage tanks. CSI tanks include a full line of underground and aboveground storage tanks and compartment tanks for petroleum, automotive fluids, chemical and water storage; oil/water separators for storm water discharge; leak detection and monitoring equipment, and Flowtite¨ fiberglass manholes, rehabilitation manholes and wetwells for the wastewater industry.