Vendor Information: Trench Drain Systems offers drainage systems to meet any application from residential driveways to airport trench drains. Trench Drain Systems is a leading supplier of channel and trench drain from the top manufacturers in the drainage industry. Our product lines include Polycast NDS MultiDrain MEA Zurn Polylok J.R. Smith and Infinity Drain. We carry drainage systems in a broad range of channel materials such as steel concrete fiberglass HDPE polymer concrete and cast iron. We also sell trench forming systems such as EconoDrain and slot drain systems.