Building construction; construction management; construction project management services; general construction contracting; construction planning; custom construction of construction project facilities; construction, maintenance, and renovation of construction project facilities property; construction of buildings; installation of electrical wiring, equipment, and instrumentation; electrical repairs, maintenance, and installation of electrical wiring, outlets, light fixtures, and electrical panels; electrical contractor services; mechanical contractor services; building demolition; construction services, namely, earthwork and site preparation, structural steel installation, installation of piping for industrial purposes, installing mechanical systems, installing electrical systems and instrumentation; consultation services, namely, consulting to review construction processes from start to finish during pre-construction phase to identify obstacles before a project is actually built to reduce or prevent errors, delays, and cost overruns; installation of building scaffolds, working platforms and building platforms; repair and maintenance of building scaffolds, working platforms and building platforms; scaffolding erection; scaffolding installation management services; providing construction services, namely, building and foundation construction, construction planning, and general construction contracting; installation of electric and steam heat control tracing; all of the foregoing in the field of infrastructure for the oil and gas, energy, chemicals, power, mining, and wastewater treatment industries; construction services, namely, machinery retrofit and conversion services to incorporate new technology into 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; construction of pipeline booster stations for gas pipelines; installation of electrical and generating machinery; installation of piping; pipe laying services; pipeline construction and maintenance; pipeline installation and repair; painting and applying coatings to industrial machinery

Sandblasting services; fireproofing of buildings and machinery; custom manufacture of general product lines in the field of steel pipe and tubing; custom fabrication of piping for industrial purposes in the fields of oil and gas, chemicals, power, mining, and wastewater treatment; custom fabrication of piping for industrial purposes of pipelines, pipeline booster stations for gas pipelines, gas storage facilities, liquefied natural gas storage facilities in the nature of liquefied natural gas terminals, and chemical plants

Engineering services for the construction of water treatment and purification plants, solid waste treatment plants and other municipal infrastructure and building facilities; mechanical engineering; consulting in the field of mechanical engineering; safety auditing to improve safety of construction workers on construction sites; construction engineering services in the fields of traffic; engineering of industrial facilities; engineering construction services in the fields of oil and gas, chemicals, power, mining, and wastewater treatment; civil engineering of underground utilities, pipelines, and water treatment systems; custom design and engineering of facilities in the fields of oil and gas, chemicals, power, mining, and wastewater treatment; design of piping for industrial purposes