New Castle Stainless Plate, LLC is a unique organization in the steel industry. We are owned, part by our senior leaders, who take tremendous pride - every day - in selling, producing and delivering world-class stainless plate. Our operation focus on safety, cost efficiencies, and ON-TIME delivery - the hallmarks of our New Castle mill. We lead the industry with the highest quality specialty and standard grade stainless steel plate. Our product portfolio represents some of the widest, longest, and thickest stainless plate dimensions available in North America.