An aerial view of a freeway around swamp


Year after year, our nation’s aging infrastructure is garnering increased attention and funding. S&B is answering the call, helping clients renew existing systems and build new projects to serve fast-growing populations around the US. Roads, highways, bridges, municipal water systems, projects to support the federal government – S&B is there for it all, providing industry-leading EPC that covers every detail, every day.

Excellence comes standard. 

Infrastructure clients rely on public funds. That’s why they rely on S&B for assured execution and uncompromising integrity. They know we have the processes and resources to get it done right. 


S&B offers cost-effective, safety-first transportation solutions to help people get from point A to point Z and everywhere in between with less congestion and greater efficiency. Whether crossing land or water, our designs are future-focused, and our execution is the highest quality.


As communities face increasing water-management challenges, S&B experts are applying our problem-solving mindset to find the answers. We design and build the full range of water projects, including treatment, wastewater systems, drainage and distribution.


S&B partners with a wide range federal departments to solve complex challenges and build cost-effective solutions that support national security and energy assurance. Federal clients are under immense budget and schedule pressures, and they know S&B will deliver on schedule and within budget. Using our integrated design-build approach, we bring expert, cost-effective solutions. Services include engineering, construction, environmental services, disaster preparedness and response, fencing and security, transportation and telecommunications.

The definition of partnership.

Infrastructure clients need certainty. That’s why they call S&B. As a true end-to-end EPC, we are their accountable partner throughout the process, from concept to grand opening. Our engineering, procurement and construction experts are one team, providing tightly integrated services at every stage.

The more complex the project, the more S&B is a valuable partner. We cover all EPC disciplines, including planning and full project management. We communicate with each other and our clients on every detail, so we can deliver quality, efficiency and assurance every day.

Featured Projects

A TxTag toll sign near a connection ramp on a road

SH 550 Direct Connector Ramps

Cameron County Regional Mobility Authority

The Texas IH 35/US-59 Interchange under construction in Laredo, Texas

IH 35 / US59 Interchange

TXDOT Laredo District

An aerial view of the West International Railroard Bridge

West International Railroad Bridge

Cameron County

Market News

S&B Honored as Top Safety Leader Contractor by Associated Builders and Contractors

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S&B Begins Construction of Plug’s Hydrogen Plant

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New S&B CFO Valerie Carlson Brings Finance Expertise

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Insights From Our Experts

S&B worker at a construction site using data visualization on a tablet

Improving Project Transparency with Data Visualization

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Man presenting Project Working Schedule

Why Integrated Planning Remains Critical For Successful Project Delivery

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Man adjusting safety equipment on another man

The Future of Safety

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A skyline of a construction site

Contact Us


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