Northern Lights Marine Systems LLC has designed over 28 custom engineered aluminum extrusions to provide its customers with the best quality components available. Whether modular roll in docks, floating docks, wooden docks, steel docks, aluminum gangways (up to 80’), dock hardware, boat lifts, cleats, rub rail, corner bumpers or any of our full line of dock components, you can be sure that we are 100% committed to absolute quality and customer service.