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Established in 1930 and located in Baltimore, Delta Chemicals Corporation is a manufacturer and distributor of chemicals used in water and wastewater treatment processes. The company also provides products for concrete floor repair and maintenance and sanitation problems. Delta Chemicals Corporation provides a wide range of chemicals, such as aluminum chloride solution and liquid aluminum sulfate used in chemicals processing; drinking water purification; wastewater treatment; and pharmaceutical and pulp and paper making processes. It also offers water-soluble polymers and aluminum coagulants. Additionally, the company provides a wide range of concrete repair and reinforcement products for the construction industry and corporate clients, such as cleaners and degreasers and All-Krete concrete floor repair kit for repairing potholes, joints, cracks, walls and ceilings.

Founded in 1952, Tilley Chemical is an independent, privately owned and managed business that ranks as one of the largest regional chemical distributors in the United States. The company distributes a full line of industrial chemicals and solvents that include specialty chemicals for the food, pharmaceutical and personal care industries. It also distributes a complete line of industrial and automotive oils and lubricants from the leading oil and lubricant producers. Tilley Chemical operates a large distribution facility in Baltimore, as well as warehouse storage in other strategic geographic locations. These facilities enable it to provide product packaging, bulk transfer and handling services on a contract basis for dry bulk and liquid products. Tilley Chemical has a location in Middle River, Md.

Arch Personal Care Products is a manufacturer of raw materials for personal care products. The company offers a range of delivery systems, botanicals, and biotechnological and functional ingredients. It provides rheological modifiers, proteins, and preservation and anti-oxidant systems. Arch Personal Care Products also offers the PhytoTerra organic platform. The company provides a variety of anti-microbial agents for use in the preservation of cosmetics. It offers marula oil, red clover isoflavones and yucca glauca extracts under the NAB brand. Arch Personal Care Products is a part of Arch Chemicals, which manages manufacturing facilities in North America, South America, Europe, Asia and Africa.