Growth Continues in Huntington's Riverfork Industrial Park09/16/2016 Construction continues today (09/16/16) at an industrial site in Huntington's Riverfork Industrial Park. The Park is home to over a dozen manufacturers accounting for nearly 2,500 jobs. Continental Structural Plastics announced an expansion of nearly $33.5 million currently under construction. Huntington Aluminum also recently expanded their facility by nearly 30,000 square feet. And just this week, Huntington Sheet Metal, Inc., announced an investment of $1.8 million to increase the quality and productivity of their facility. Riverfork Industrial Park was the original effort of the early economic development efforts of Huntington County area business leaders who eventually formed the Huntington County United Economic Development Corporation in 1997.