New Construction & Rehabilitation
Texas-Based Underground Utility Construction
Willco Underground installs and rehabilitates the water mains, sewer systems, and critical infrastructure communities depend on every day — with precision, trenchless technology, and minimal disruption.
About Willco
Founded in Mansfield, Texas, Willco Underground is your trusted partner for underground utility construction. We specialize in water and sewer systems, underground structures, and trenchless solutions that keep communities flowing.
Independent consultants have recognized our financial stability, strong bonding capacity, and access to equipment and skilled professionals. Beyond installation, we restore pavements and workspaces to better-than-before condition.
Why Willco
We don't just dig. We build dependable infrastructure with the discipline, expertise, and commitment to quality that municipal clients and private developers trust.
Independent consultants have recognized our financial stability, bonding capacity, equipment access, and skilled manpower. Clients can trust we have the resources to finish the job — on time and on spec.
We focus exclusively on public infrastructure — which means we understand municipal bidding processes, regulatory requirements, and how to minimize disruption to residents and businesses.
From trenchless construction to efficient traffic control and surface restoration, we employ techniques that reduce project timelines and minimize impact on the surrounding community.
We adhere to industry best practices and comply with all city, state, and federal regulations — ensuring every project is safe for our crews, our clients, and the public.
As a Mansfield-based company, we are invested in the Texas communities we serve. Our reputation is built project by project — delivering quality infrastructure that lasts generations.
Get In Touch
For bids, project inquiries, or to schedule a consultation.