The Brock Group of Companies when they need a handyman. Through a network of about 15 subsidiaries, The Brock Group acts as a specialty contractor to such companies as Chevron, CITGO, Exxon Mobil, Shell Oil, and Valero. It offers scaffolding and shoring, environmental remediation, asbestos and lead abatement, general labor and maintenance, disaster response, fireproofing, and insulation. The firm also offers offsite blast cleaning for machines that need to kept in tip-top shape. Besides oil refineries, The Brock Group serves chemical plants, energy plants, nuclear power plants, industrial manufacturers, pulp and paper mills, and offshore facilities.