Promega helps researchers plumb the depths of the life sciences. The company sells more than 3,500 products that allow scientists to conduct various experiments in gene, protein, and cellular research. Its offerings fall into more than two dozen categories, including DNA and RNA purification, genotype analysis, protein expression and analysis, and DNA sequencing. Promega has branches in 15 countries around the world. The firm sells its products directly and through about 50 distributors. Customers include academic, pharmaceutical, and clinical labs, as well as government agencies and energy and chemical companies.