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Purvis Industries in Saint Louis, operating as St Louis Vibrator Products, is a comprehensive industrial supplier with twelve specialized business units. These units cover a wide range of products including Bearings, Power Transmission, Electrical, Hydraulic, Pneumatic, Mining, Conveyors, and Industrial Supplies. By organizing into distinct business units, Purvis Industries allows their teams to focus on specific products and services, becoming experts in their respective fields. This structure ensures a high level of expertise and customer service across their industrial product offerings. Generated from their website's infomation

Construction Data Services is an affiliate of CDS Services Inc. (CDS). Founded in 1991, the company is an international provider of on-site substance abuse testing, safety, background screening and medical management services. Based in St. Louis, Mo., the company specializes in the construction industry and its programs can be readily adaptable to benefit other business sectors. Its substance abuse testing provides program development and administration services. The medical management services of Construction Data Services provide on-site medical management, biological monitoring, respirator fit and pulmonary function testing.