Darren Barnhouse

Cerilliant Corp. provides certified reference materials. It offers 2C amines, alcohol/ethanol, amphetamines, anaesthetics, analgesics, antibiotics, anticonvulsants, antidepressants, antifungals, antiepileptics, drugs, catecholamines, chemical warfare, club/designer drugs, depressants, derivatizing reagents, drinking water, drugs, drug impurities, drug metabolites, environmental contaminants, explosives, glucuronides, hallucinogens, hormones, illicit drugs and immunosuppressants. The firm also provides products in the areas of instrument qualification standards, internal standards, metabolites, method standards-EPA and others, multi-component drug standards, narrow therapeutic index/NTI drugs, national defense, natural, nutraceuticals, phytochemicals, nicotine/tobacco, nitroglycerins, opioids, OTCs, performance drugs/sports testing, pesticides, petrochemicals, pharmaceuticals, sedatives, semivolatiles, sleep aids, solid waste, steroids, stimulants, synthetic cannabinoids, therapeutics/TDM drugs, tricyclic antidepressants, veterinary, vitamins, volatiles, waste water and weight-loss drugs. The company was founded in August 2000 and is headquartered in Round Rock, TX.

Sigma-Aldrich Corp. operates as a life science and technology material company. It develops, manufactures, purchases and distributes a broad range of biochemical and organic chemicals. Its services include basic research, product and process development, manufacturing and production, regulatory compliance, and facility operations. was founded in May 1975 and is headquartered in St. Louis, MO.