Mark A. Loethen

Rohm & Haas Co. develops and manufactures specialty chemicals, paints, adhesives, and materials. The company was founded by Otto Röhm and Otto Haas on September 1, 1909 and is headquartered in Philadelphia, PA.

PQ Corp. produces silicate, zeolite, and other performance materials. It serves the detergent, pulp and paper, chemical, petroleum, catalyst, water treatment, construction and beverage markets. The firm's products include lithium silicates, magnesium sulfate, sodium silicate liquids and solids. It also manufactures silica gel products for catalyst and anti-blocking applications and the zeolite products for adsorbent applications. The company was founded by Joseph Elkinton in 1831 and is headquartered in Malvern, PA.

National Association of Chemical Distributors is a non-profit organization which connects members with the pressing legislative and regulatory issues affecting the chemical distribution industry, including environment, health, safety, security, transportation issues on a national, international, and state level. It provides ChemReACTions, Issues Watch, Chemical Distribution's Economic Impact, Washinton Fly-In, and education and meetings. The organization was founded in 1971 and is headquartered in Arlington, VA.