ALS Limited’s (formerly Campbell Brothers Limited) major business today is its international testing services business. In that business, we are focused on delivering superior services through four main divisions: Minerals (Geochemistry, Metallurgy, Mine Site and Inspection); Life Sciences (Environmental, Food & Pharmaceutical, Animal Health and Electronics); Energy (Coal and Oil & Gas); and Industrial (Asset Care and Tribology); and offering a broad range of technical services to our clients that is unrivalled.