Airgas, Inc., through its subsidiaries, is the largest U.S. distributor of industrial, medical, and specialty gases and related hard goods, such as welding supplies. Airgas is also a leading U.S. distributor of safety products, the largest U.S. producer of nitrous oxide and dry ice, the largest liquid carbon dioxide producer in the Southeast, and a leading distributor of process chemicals, refrigerants and ammonia products.

United Salt Corporation (USC) is a privately owned manufacturer of salt products used primarily in food products, chemical processing, oil field drilling and production fluids, deicing, hide curing, agricultural feeding, and commercial, industrial and residential water softening.

Eastern Metal/USA-SIGN® provides state-of-the art innovative work zone and traffic control products. Safety issues, set-up requirements, visibility at higher speeds, nighttime visibility and legal requirements are our main focus.

Andrew Zow & Associates
2923 5th Ave South
Birmingham, AL 35233