About Us

Trenwa, Inc. (Trenway not Trenwah) manufactures a variety of precast concrete trench systems for the distribution of electrical control cables, power cables, mechanical piping, and fiber optics etc.

In addition, Trenwa manufactures a range of other precast products, including: transformer pads, utility boxes, and vaults.

Family owned and operated for over 60 years, utilities, industrial companies and others have relied on Trenwa trenches at thousands of sites across the United States, Canada, and in Puerto Rico.

With 4 strategically located, modern plants, we are North America’s leading producer of durable, precast trench systems in the broadest range of types and sizes.

We efficiently service all of North America & the Carribean from these locations.  Our projects have ranged from Fort McMurray to MacMurdo Sound!