Founded by Vincent Costello in 1973 on the principles of problem-solving, building great relationships, and continuous growth and improvement, Costello's Ace Hardware is one of the largest family-owned hardware store chains in the United States. Six of Vinnie's children are now caretakers of the brand he worked so hard to build. "Our mission is to provide customers with the neighborly advice and assistance they have come to expect from Ace," said Michael Costello, CEO of Costello's Ace Hardware. "We look forward to becoming a helpful and valuable neighbor to the community, both inside and outside the walls of our store.

Following the opening of Costello's Ace Hardware of Bernardsville, Costello's now operates 51 stores in 5 states comprised of 45 Ace Hardware locations through New York, New Jersey, Pennsylvania, Maryland, and Virginia, "East Islip Paint" in New York, "Suburban Paint & Commercial Supply" in Maryland, "All-Pro Chimney" in Rockville, MD, "Tri County Hearth & Patio" in Maryland, "Courtland Fireside Hearth & Spa" in Maryland, "Costello's Hearth & Spa" in New York, as well as nine hearth/spa showrooms in select hardware stores. The company's mission is to grow on the strength of great products, essential services, superior knowledge, and treating everyone like family.