Jeffboat, ACL's manufacturing division, is the nation's largest inland shipbuilder, spanning 68 acres on the Ohio River in Je ... ffersonville, Indiana. As a leader in marine design and construction for over 70 years, Jeffboat continues to live up to its reputation for unmatched excellence in building superior quality barges. Our comittment to innovation in engineering and manufacturing ensures that Jeffboat barges are built to perform, built to last, and built to meet your needs. To add Jeffboat quality to your fleet, contact John Nugent, Sales Director, 812.288.1831. read more