Airgas, an Air Liquide company, is a leading US supplier of industrial, medical and specialty gases, as well as hardgoods and related products; one of the largest US suppliers of safety products; and a leading US supplier of ammonia products and process chemicals. Dedicated to improving the performance of its more than 1 million customers, Airgas safely and reliably provides products, services and expertise through its more than 18,500 associates, over 1,400 locations, robust e-Business platform, and Airgas Total Access telesales channel. As an Air Liquide company, a world leader in gases, technology and services for Industry and Health, Airgas offers customers an unrivaled global footprint and industry-leading technology and innovations.

Nautilus Environmental is a certified woman owned small business enterprise that serves over 500 clients nationwide. We offer a unique combination of expertise in toxicity testing, environmental chemistry and ecology. We do field and lab testing of aquatic, soil, and sediment samples and consult on toxicity levels and evaluate methodologies to reduce toxicity in effluent discharges, providing tools in the laboratory and field to monitor ecosystem health. Our field testing (or in situ testing) bridge the gap between real-world conditions and controlled bioassays. We are constantly developing innovative procedures and approaches to complex projects and investigations. We integrate multi-disciplinary environmental data to provide comprehensive analysis to our clients.