Dunlap Industries, Inc., is a manufacturer and distributor of zippers, thread, hook and loop, and related textile trim. We ma ... nufacture in the United States as well as throughout the world. All Dunlapworld production locations manufacture to the very same high quality standards that our customers have learned to expect. We are US owned and headquartered in the United States. Our entire line of service and products constitutes Dunlapworld for our clients throughout the world. read more