USALCO is the premier manufacturer of various-aluminum based chemicals, such as aluminum sulfate, sodium aluminate, polyalumi ... num chloride, aluminum chlorohydrate, and aluminum chloride to industrial and municipal markets. USALCO’s Polyaluminum Chloride (PACL) products fall under the trade name DelPAC®. These coagulants have become the products of choice in well over 1,000 water treatment applications throughout the US (sold direct or through distributors). USALCO’s research and development staff is committed to continuous innovation of new coagulant chemistry to address the ever changing regulatory landscape. Coupled with our on site application expertise, USALCO is uniquely positioned to meet the increasing customer demand for improved treatment results at a lower total cost. Our company headquarters is in Baltimore, Maryland which is also the site of the largest aluminum coagulant manufacturing plant in North America. USALCO operates 26 facilities throughout the United States. read more