The Interlocking Concrete Pavement Institute (ICPI), founded in 1993, is the North American trade association representing the interlocking concrete paving industry. ICPI is considered by peer associations around the world as the leader in development and dissemination of technical information for design professionals and contractors. Our leadership position is due to years of commitment and energy from more than 900 members. ICPI engages in a broad range of technical, marketing, educational, government relations and communications activities.