Your Trusted Partner in Project Creation

At ExTerra, we provide cutting-edge solutions for underground utilities such as water and sewer systems, gas distribution, underground electric and drainage projects. As a dedicated, family-oriented business, we add a personal touch to every project, ensuring our clients feel valued and supported. Our team’s proactive mindset and commitment to excellence allow us to tailor our services to each client's specific needs. We are more than just a service provider—we are your partner in building resilient, efficient infrastructure. Known for our adaptability and responsiveness, we turn challenges into opportunities, delivering timely, cost-effective, and high-quality results. At our core is a promise: to lead with integrity, innovation, and craftsmanship, building a solid foundation for your success.

Who We Are

Mission and Vision

Mission:

Our mission is to deliver safe, efficient underground utility installations that support the growth and infrastructure of our community. With a focus on professionalism, reliability, and meeting project deadlines, we strive to exceed customer expectations while prioritizing safety on every job site. From underground utilities to excavation services, we are committed to being a trusted partner for all your commercial and industrial infrastructure needs.

Vision:

Our vision is to become the leading provider of underground utility installations in Central Texas, recognized for our expertise, innovative solutions, and unwavering commitment to building high-quality infrastructure. We aim to support the growth of thriving communities through reliable, efficient, and professional services in the commercial and industrial sectors.

MEET OUR TEAM

Bob Carnwath

President

Jabin Ursell

Systems Engineer

Greg Ursell

Chief Financial Operator

Brandon Carnwath

Utilities Estimator | Project Manager

Geoff White

Assistant Project Manager

Sam De La Rosa

General Superintendent

Brandon Caldwell

Chief of Operations

Julian De La Rosa

IT Manager

Jorge Castilla

Superintendent

Tyler Grimshaw

HR Manager

Lexus Perez

Marketing Specialist

Peter Olandese

Project Accountant

Alba Argil

HR Business Partner

Maurice Guerrero

Safety Coordinator

Katelyn Trinidad

HR Business Partner

Anna Steffler

Controller

Saul Delgado

Facilities and Asset Manager