


Advancing Our Communities
We transform ideas into reality, creating infrastructure that strengthens and connects communities. From careful planning to efficient execution, we handle every challenge with precision and care, creating solutions that drive progress and support a sustainable future for generations to come.

Building Your Future
At SEMA, we believe actions speak louder than words. We approach every challenge with a clear plan, a strong work ethic, and the flexibility to adapt when things don’t go as expected. Accountability isn’t just a buzzword for us; it’s how we ensure every effort contributes to something meaningful. We’re committed to creating opportunities for people to grow, working together with purpose, and making an impact that lasts far beyond the job itself. At SEMA, what you do matters because every step forward helps shape a stronger future for everyone involved.
1000+
Projects completed
100+
Industry awards received in past 5 years
Top 400
Engineering News-Record (ENR) Contractor
Proven Expertise
What makes SEMA stand out? It’s not complicated. We show up, work hard, and think smart to deliver results that count. Every project is a collaboration where your vision takes center stage. Together, we find innovative solutions that go beyond expectations.
This commitment to teamwork and results has earned SEMA a place among the nation’s top contractors. We don’t just aim to meet the standard—we work to set it. With SEMA, you’ll get quality you can trust from a team that takes pride in doing the work the right way.
1000+
Projects completed
100+
Industry awards received in past 5 years
Top 400
Engineering News-Record (ENR) Contractor

Expertise
With decades of experience in infrastructure, SEMA gets the job done with precision and purpose. We finish what we start—on time, on budget, and built to last. The relationships we’ve established over the years are proof of the trust we’ve earned and the results we deliver every day. At SEMA, we know that the best outcomes aren’t achieved alone. They come from working together, and that’s how we approach every project we take on.






Self-Performance Excellence
When we take the reins and handle the critical work ourselves, you get precision, control, and results you can count on. Our in-house crews bring specialized expertise and craftsmanship to every task, setting the bar for quality, safety, and efficiency. By managing key scopes directly, we keep schedules tight, budgets on track, and risks under control, making real-time decisions that keep things moving smoothly. At SEMA, self-performing is about getting the job done right, with a level of care that ensures every detail serves the bigger picture.
The SEMA Experience
At SEMA, we develop more than infrastructure—we build trust and put in the work to get things done right. What sets us apart isn’t just what we do, but how we do it: by getting our hands dirty, understanding your goals and delivering results that exceed expectations.
Every project begins with a conversation. We listen, we plan, and we work alongside you to create practical solutions that fit your needs. With decades of proven experience under our belts, we tackle the tough stuff; combining proven methods with fresh ideas to deliver reliable, high-quality results.
What makes SEMA different? It’s how we take ownership at every step of the process. By self-performing critical tasks and using the right tools for the job, we stay in control of safety, efficiency, and outcomes. We’re not afraid to take on challenges others avoid; we face them head-on, turning problems into progress for your project and the communities we’re proud to serve.
At SEMA, we believe the experience matters as much as the outcome. Every project is a chance to build something meaningful and to remind our partners why there is always more to look forward to with SEMA.

Uncompromised Safety
Safety isn’t just a priority—it’s a guiding principle that shapes everything we do. From the earliest planning stages to the final closeout, our team is committed to creating a work environment where everyone goes home safe at the end of the day.

Environmentally Responsible
Green practices are part of everything we do. From using resources wisely to restoring ecosystems and investing in renewable energy, we’re dedicated to protecting the planet and building stronger, more resilient communities.

Culture of Community
We believe in the power of connection. By building strong relationships and creating positive change, we make sure our work goes beyond the project to truly benefit the people we serve.