Unilock has been providing superior concrete landscape products for the landscape industry for over 35 years. Unilock is the original manufacturer of pre-cast concrete paving stones and wall products in North America, and has continued to lead the charge in innovation and excellence.
Interlocking Concrete Pavement Institute
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 dissemenation of technical information for design professionals and contractors.