BAK Industries offers tonneau covers manufactured in the USA specializing in hard folding tonneau covers and hard roll-up tonneau covers.  BAK Tonneau Covers are designed to provide maximum security, long lasting durability, and all weather protection with a sleek, low profile appearance.  The BAK MX4 hard folding cover and the BAK Revolver X4S hard rollup cover are the top selling truck bed covers in the United States.