37
Construction services in the field of application of paint, coatings and resins; contractor services in the field of application of paint, coating and resins; contractor services, namely, application of protective coatings for preventing corrosion under insulation in petrochemical facilities and chemical plants, application of protective thermal spray coatings; construction services in the field of industrial facilities insulation services; installation of insulation, cladding and jacketing for boilers, ducting and piping; construction services, namely, asbestos removal services, lead removal services; construction services in the field of refractory services; construction services, namely, concrete pouring, forming and shoring for large-scale concrete buildings and structures; rental of concrete forming and shoring equipment; construction consultation in the field of bolting and bolt torqueing; construction services, namely installation, repair and maintenance of cathodic protection systems, excavation, site, preparation, leveling, backfill, grading, soil replacement and sand cushion services, installation structural restoration, and repair of industrial structures, fireproofing services; demolition services; pipe tapping services; leak detection and repair services
40
Abrasive blasting services for industrial facilities, refinery, petrochemical and power-generation facilities, and marine and offshore facilities; machine shop services, namely machining parts for others through pipe cutting and pipe beveling at industrial and commercial facilities; custom manufacture of components for industrial insulation
42
Engineering and design of forming and shoring equipment and systems; engineering and design of work access and scaffolding equipment and systems; forensic engineering services; steam and electrical heat tracing services; inspections of petrochemical facilities and chemical plants for corrosion