Trenwa has supplied precast concrete trench systems to thousands of customers in all 50 states and Canada for the distribution and protection of control cables, power cables and communication cables. Trenwa is committed to delivering a quality product on time and at an affordable price. We would appreciate the opportunity to work with you on your next project and provide you with Trenwa's superior service and quality trench systems. Trenwa has recently introduced Fibrelite®. A lightweight and high strength HS20 road crossing trench cover. Now on display in our booth.