Allen-Sherman-Hoff

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Founded in 1921, Allen-Sherman-Hoff is one of the leading providers of ash and material handling solutions for utility, pulp and paper and waste-to-energy facilities worldwide. It is a ISO 9001:2000-certified company. Located in Malvern, Pa., Allen-Sherman-Hoff is a division of Diamond Power International, which is one of the leading manufacturers and suppliers of equipment and new technologies that advance boiler cleaning and ash-handling systems. Founded in 1903, as a manufacturer of handheld boiler cleaning devices, Diamond Power International is also one of the world's leading manufacturers and suppliers of sootblowers. It is a subsidiary of McDermott International that is one of the leading worldwide energy services companies. McDermott International and its subsidiaries manufacture steam-generating equipment, environmental equipment and products for the United States government. It also provides engineering and construction services for industrial, utility and hydrocarbon processing facilities and offshore oil and natural gas industries.