A

Organic and inorganic chemical storage-tank cleaning services; crude-oil storage-tank cleaning services; refined-hydrocarbon storage-tank cleaning services; railcar cleaning services; cleaning of organic and inorganic chemical storage tanks and vessels, crude-oil storage tanks, and refined-hydrocarbon storage tanks featuring heat-exchange technology; cleaning of organic and inorganic chemical storage tanks and vessels, crude-oil storage tanks, and refined-hydrocarbon storage tanks using nitrogen-generation technology; hydrocarbon-sludge removal services used in the cleaning of organic chemical storage tanks and vessels, crude-oil storage tanks, and refined-hydrocarbon storage tanks; hydrocarbon-solid removal services used in the cleaning of organic chemical storage tanks and vessels, crude-oil storage tanks, and refined-hydrocarbon storage tanks cleaning-nozzle installation services, namely installing and mounting cleaning nozzles on organic and inorganic chemical storage tanks and vessels, crude-oil storage tanks, and refined-hydrocarbon storage tanks

Video-monitoring services used in viewing the inside of organic and inorganic chemical storage tanks and vessels, crude-oil storage tanks, and refined-hydrocarbon storage tanks; analysis services used to estimate the contents of organic and inorganic chemical storage tanks and vessels, crude-oil storage tanks, and refined-hydrocarbon storage tanks; gas-phase monitoring services used to monitor gases inside of organic and inorganic chemical storage tanks and vessels, crude-oil storage tanks, and refined-hydrocarbon storage tanks