Airports

SEMA understands the unique demands of airport construction, from minimizing traveler inconvenience to vigilant regard for security and safety. Our expert estimating and project management teams allow SEMA to undertake some of the most challenging and complex construction projects in the industry.

We provide the highest quality construction, the most dependable project scheduling and a flawless safety record. From private and regional airstrips to major international airports, SEMA will always consider your project among our very highest priorities. We’ll take your airport to new heights.

Bridges

Bridges are often a key component of the civil infrastructure projects we construct, and SEMA has a reputation as a leader in this market. We are known not only for our innovation in constructing bridges, but also for building them fast. SEMA can provide a variety of alternate design and construction methods, including value engineering, design/build, and construction management, bringing greater value to our clients. Our bridges will move you.

DAMS & RESERVOIRS

At SEMA, we work closely with environmental and structural design experts to safely and efficiently build dams and reservoirs to our client’s exact specifications. Our solid experience in structural construction technologies, ground treatment, and water infrastructure developments make us a leader in the industry. Environmental impact is a key concern in dam and reservoir construction. SEMA takes into consideration all aspects of the surrounding areas prior to determining the most innovative and cost-effective solutions for the construction phase.

Over the next decade, water resources management will be one of the most important issues faced by local and state governments. SEMA is committed to determining and employing the best and most suitable approach for your water infrastructure project. Whether your concern is for water storage, irrigation, flood control, recreation or power generation, our solutions hold water.  

HIGHWAYS & ROADS

SEMA is a leader in the construction of highways and bridges and has participated in the building of major roadway projects valued at over $140 million. We offer a special blend of experience and efficiency that enables us to safely construct, rehabilitate and replace civil infrastructure projects to exact specifications. SEMA has an extensive background working with a diverse range of clients including government agencies, municipalities, developers and private landowners, providing us with a measurable advantage in managing roadway projects. From local thoroughfares to major interstate highways and technically challenging road alignments, we are experts in roadway construction. Our business rides on it.

INDUSTRIAL/MINING

SEMA has been serving companies in the industrial and mining fields since the early 1990s. Our involvement in these markets has included engagements with several mineral mining and waste management companies across the United States. We have provided basic site services such as earthwork, drainage, bridges and roadways, as well as more intricate construction, including waste collection and containment facilities, caps, covers and liners inhibiting waste migration, and process pads. We offer industrial strength results.

OIL / GAS / ENERGY

Oil, gas and energy companies are continuously searching for new and efficient ways to create economical energy solutions. To do this, they often call upon heavy civil contractors to develop the infrastructure they need to build new plants and harvest natural resources. Enter SEMA. By providing site services such as earthwork, drainage, bridges and roadways, businesses in these fields rely on us as their partner for innovation and prompt execution. Progress is our approach.

RAILROADS

From passenger to industrial railroads, SEMA can build your railway to meet any specific expectations. Our experience in building railway transportation systems provides us with the know-how and expertise to tackle even the most complex and challenging railroad projects.

Our services include new track construction, track maintenance and rehabilitation, excavation and drainage. From heavy industry, short line railroads and class I railroads, to commuter transit lines and metro rail systems, we’ll keep your railroad project on track.

UTILITIES

From municipal sewer systems and storm drainage to hydropower generation facitlities, SEMA has the experience necessary to build any utility project. By working closely with our clients, we evaluate detailed operational needs for efficiency and effectiveness. We then employ state-of-the-art construction technologies to build the project according to exact specifications.

Now more than ever, both public and private sector agencies need to build more for less in order to remain competitive. SEMA understands this need. Our approach employs tried and true, proven practices that produce the most efficient and cost effective construction solutions possible, while also ensuring the protection of both public health and the environment. We take a powerful approach to utilities.