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Keen - Since 1919 - A Name You Can Trust WELCOME TO KEEN COMPRESSED GAS EXPERIENCED - We Are the Largest Locally Owned & Operated Distributor In Our Area Serving DE - MD - PA - NJ For Over 80 Years Check Back Often - We're Adding Capabilities Every Day Excellent Service - Quality Products - Guaranteed! Employment Opportunities We offer our customers the following services: Service 24/7 Welding & Safety Supplies Industrial, Medical, Rare, High Purity & Cryogenic Gases Rental, Repair, Calibration & Preventative Maintenance of Welding Machines and Generators Keen Welding Schools - General Training, Certifications, Qualifications Gases Delivered: Bulk, Microbulk, Portable Bulk, Tube Trailers, Banks & Cylinders Ask About Our PM Program (Preventative Maintenance Program) Ask About Our GasChex Program Tank Installation & Piping Check Back Often For New Web Specials!