Montrose Air Quality Services

Gabriel Environmental Services is a multi-disciplined environmental consulting firm that was founded in 1973. Since Gabriel s establishment with only three employees, it has grown to become one of the largest environmental firms in the Midwest. From performing phase-I environmental site assessments to wastewater consulting and monitoring at its clients manufacturing plants, Gabriel has the technical skills and expertise to offer its services to a variety of customers. Gabriel has a 30-year history of providing environmental services and brings a wealth of experience and knowledge to every project. Gabriel Environmental Services is based in Chicago.

TheraTest Laboratories, since 1988, has manufactured and distributed ELISA-based diagnostic test kits for the detection and measurement of autoantibodies for rheumatic diseases, including ANAs (screening and antigen specific), rheumatoid factors and anti-cardiolipin. It was the first company that successfully introduced commercial ELISA for this type of testing. Founded by experienced Rheumatologists, Pathologists and Laboratory Professionals, TheraTest provides high performance reagents and instrumentation to physician office, hospital and reference laboratories. The company offers complete set-up with kits, instrumentation, training, consulting service and all regulatory materials required for CLIA or CAP accreditation. To provide additional service and support to its clients, TheraTest also operates a specialized Rheumatology reference laboratory. TheraTest is located in Lombard, Ill.

TheraTest Laboratories, Inc., located in Lombard, IL, is a specialized laboratory offering a comprehensive range of diagnostic solutions, including TheraPanel tests for autoimmune diseases, thyroid function, and vitamin levels. The company also provides proficiency testing and reference laboratory services, catering to medical practices and industry partners. Dedicated to advancing healthcare, TheraTest collaborates with notable organizations such as the American Rheumatology Network and NextGen Healthcare. Their commitment to excellence is reflected in their efforts to enhance diagnostic accuracy and support healthcare professionals in optimizing patient care. Generated from the website