Williams Industrial Services Group Inc. delivers a comprehensive suite of construction, maintenance, and support solutions to clients in the energy, power, and broader industrial sectors across the United States and Canada. The company's core offerings include extending the operational lifespan of various facilities—such as nuclear, paper, chemical, fossil fuel, industrial gas, hydropower, natural gas, and municipal water and wastewater plants—through ongoing maintenance, modifications, and significant capital project repairs. Their expertise also encompasses specialized services like surface treatment, which involves cleaning, preparation, coatings application, quality assurance, and inspection for nuclear and fossil fuel power plants, industrial sites, and petrochemical facilities. Additionally, they provide industrial insulation services, particularly for power generation installations, and undertake abatement work for the safe removal of hazardous materials like asbestos and heavy metal-based coatings, including lead paint. Williams Industrial Services Group Inc. further modernizes operating plants by converting their analog control systems to digital. They are also involved in nuclear power plant construction and decommissioning projects. Their service portfolio extends to the installation, upkeep, and modification of water and wastewater infrastructure, covering elements such as piping, pumping stations, and storage tanks. Furthermore, they perform replacements, repairs, and upgrades of industrial roofing systems, with a particular focus on pulp and paper manufacturing facilities and nuclear power plant locations. The company markets its services both through dedicated sales and marketing teams and via its personnel working directly on client sites. Established in 1958 and based in Atlanta, Georgia, the company was formerly known as Global Power Equipment Group Inc. before rebranding to Williams Industrial Services Group Inc. in June 2018.