Midwest Analytical Services, Inc. (MAS) was founded June 1987, with the goal of providing professional testing services in an atmosphere of mutual trust and openness with like-minded corporations with an emphasis on providing clear, accurate, and legally defensible analytical data in a timely manner. For more than 30 years, it has continued to provide its customers with the finest water, soil and material testing services. Midwest Analytical Services, Inc. operates as an independent laboratory under independent ownership and is able to understand client’s needs, and respond quickly to their requests.