ALS Limited engages in the provision of professional technical services and analytical services primarily in the areas of testing, measurement, and inspection in Africa, Asia Pacific, Europe, the Middle East, North Africa, and the United States. It operates in two segments: Commodities and Life Sciences. The Commodities segment offers assaying and analytical testing, and metallurgical services for mining and mineral exploration companies. Its testing and consulting services cover the resource life cycle, including exploration, feasibility, optimization, production, design, development, trade, and rehabilitation. This segment also provides the coal industry, such as sampling, analysis and certification, formation evaluation services, tribology testing services, and related analytical testing. The Life Sciences segment offers analytical testing and sampling, and remote monitoring services for the environmental, food, pharmaceutical, and consumer products markets; and microbiological, physical, and chemical testing services. This segment provides analytical testing data to assist consulting and engineering firms, industries, and governments. ALS Limited was founded in 1863 and is headquartered in Brisbane, Australia.