Advance Products and Systems Inc. Manufacture Innerlynx moulded rubber pipe / wall mechanical seals (link seals), wall sleeves, isolation flange gasket kits, casing insulators and end seals, flange protectors, U-Bolt Cote, Radolid protection caps, Safety Spray Shields, and Forman Night Cap etc.PERMA-PIPE Inc.. is the largest manufacturer of pre-insulated piping systems in North America. We sell our products to a broad customer base, including industrial chemical and petroleum producers, district heating and cooling, airports, governmental agencies, and institutions such as housing projects, universities, and prisons.more...See more text