Easi-Set Industries, owner of the J-J Hooks positive connection concrete barrier system, has licensed Roman Stone Construction Co. of Bay Shore, N.Y, to produce the J-J Hooks traffic barrier connection system. Easi-Set has also licensed Brick Tavern Concrete Products of Hudson, N.Y., to produce Easi-Set Buildings in its Hudson plant.

Superior Industries, a manufacturer of conveyor systems and components, has designated Ring Power Corp. of St. Augustine, Fla., as iits new, exclusive equipment dealer throughout the state of Florida.

Hirschmann Automation and Control has named Laguna Crane & Field Service of Aransas Pass, Texas, and Universal Crane of Huntsville, Texas, Premier Dealers for the state of Texas. Both companies carry Hirschmann's entire line.

ICrete, a concrete technology company, has entered into licensing agreements with Greco Bros., a New York City ready mix producer; and Eastern Concrete Materials Inc. of Elmwood Park, N.J., and a subsidiary of U.S. Concrete Inc. of Houston.