Palmetto Synthetics, a maker of polyester, nylon, and other specialty polymers, is expanding with a $7 million investment in Kingstree, South Carolina. The project will create 75 jobs.

"We continue to see demand growth for our products, and this expansion will allow us to further grow our market share. Williamsburg County has consistently provided us with an excellent business environment and a strong workforce. We are pleased to expand our presence here in South Carolina. We appreciate all the support we have received from state and local officials," said David Poston, vice president of Palmetto Synthetics.

The company expects the expansion to be operational by March 2011. It will begin hiring in January.