Priner Serviços Industriais S.A. provides industrial, infrastructure, integrity engineering, and inspection services in the petrochemical, pulp and paper, steel, offshore, naval, mining, and infrastructure sectors in Brazil. The company provides access solutions, including design, planning, assembly and rental of access equipment, tube and clamp and modular scaffolding systems, suspended scaffolding and the web prinerdeck platforms, tension netting system, and rope access; mechanical and manual surface treatment, abrasive and wet blasting, ultra-high-pressure water jetting (UHP); weather protection, passive fire protection(PFP), leak sealing, hot and cold thermal insulation, acoustic insulation, and process heating, and refractory lining, as well as civil maintenance, boilermaking; chemical analysis, metallographic analysis, corrosion testing, field solutions, procedure and welder qualification, and failure analysis, anchored retaining walls, soil nailing, shotcrete, soil treatment, and load testing; pressurized habitat solutions; non-destructive testing, inspection of equipment and facilities, welding engineering, advanced engineering, materials engineering and laboratory services, training and consulting, inspection software, and tank inspection services. It also offers conventional, removable and reusable, PFP, hot and cold insulation, and thermoplastic coating; industrial park; inspection and RBI, finite element analysis, and fracture mechanics. In addition, the company provides CIPP, Point repair, Steam curing process, pressurized networks, and UV Line curing process; and resin injection, gallery plugging, structural repair and reinforcement, waterproofing, hydrodemolition, and priner soil inspection. The company was formerly known as Mills SI Serviços Industriais S/A and changed its name to Priner Serviços Industriais S.A. in 2016. The company was founded in 1982 and is headquartered in Rio de Janeiro, Brazil.