Building construction; construction of buildings; mechanical contractor services; construction services in the field of industrial facilities insulation services, namely, installation, maintenance and removal of thermal and cryogenic insulating materials at refinery, petrochemical and power-generation facilities, and marine and off-shore facilities; construction services in the field of refractory services, namely, installation, repair, and maintenance of refractory linings in high temperature vessels, particularly fluid catalytic cracking units, reformers, hydro crackers, crude units, thermal reactors, boilers, sulfur recovery units, and industrial furnaces; general construction contracting; installation of insulation, cladding and jacketing for boilers, ducting and piping at refinery, petrochemical and power-generation facilities, and marine and offshore facilities; repair and maintenance of building scaffolds, working platforms and building platforms; repair and maintenance of power distribution or control machines and apparatus; construction services, namely, earthwork and site preparation, structural steel installation, installation of piping for industrial purposes, installing mechanical systems, installing electrical systems and instrumentation; construction, maintenance, and renovation of construction project facilities property; custom construction of construction project facilities; providing construction services, namely, building and foundation construction, construction planning, and general construction contracting; construction services, namely, machinery retrofit and conversion services to incorporate new technology into machinery; installation of electrical and generating machinery; remodeling of industrial facilities for the purpose of incorporating new technology therein; construction of facilities and structures in the fields of oil and gas, chemicals, power, mining, and wastewater treatment

Custom manufacture of general product lines in the field of steel pipe and tubing; fireproofing of buildings and machinery