Esp Chemicals Inc. provides laboratory products, supplies, chemicals and solutions. . Located in Tucson, Ariz., the company specializes in offering balances, beakers, filter papers, ovens, crucibles, dishes, food testing equipment, stirrers, titrators, gloves, pumps, microscopes, lamps and watch glasses. Its chemical products include ethane, boron, calcium, iron, titanium, arsenic, barium,...