Why do owners love this project?
It’s the experience. Where technology and innovation are made more powerful by personal relationships. SEMA is a modern construction firm with single-source responsibility.
Why is this employee happy?
It’s the experience of working here. SEMA empowers its employees to make decisions and solve problems. No wonder we are recognized as a top place to work.
What makes this project special?
Clients enjoyed the journey and the destination. SEMA breaks down the barriers between client, engineer, and contractor. We value collaboration because we know clients have a choice when selecting their partners.
Why are our people more effective?
They self-perform the work. This gives them autonomy and responsibility without bogging them down with unnecessary layers or red tape.
Why does this make project owners proud?
The time flew by. Everything was marked by safety, on-time scheduling and new technology. When a project is completed by SEMA, quality and satisfaction linger.

Solving problems and getting answers

SEMA resolves issues quickly because we eliminate layers, empower our employees and truly partner with project owners. Learn more about us.

Getting things done and done well

Ranked as one of the nation’s top contractors, we work collaboratively and bring award-winning experience and ideas to every project.

Top Water/Environmental Merit Award

Top Highways Bridges Award

Denver Post Top Workplace

CCA/CDOT Project Management Award

Made by SEMA

These projects are a snapshot of our range and expertise. If you would like to learn more about the details of one project – or go deeper into any one our markets or capabilities – let us know.

Airports

Recent Project:
Colorado Springs, Taxiway C

Dams and Reservoirs

Recent Project:
Denver Water Ralston Dam Spillway Modifications

Highways, Roads, and bridges

Recent Project:
SR 93A, I-75 NB On-Ramps, Tampa, FL

Industrial Mining

Recent Project:
South Tani Reservoir, Thornton, CO

Oil, Gas, and Energy

Recent Project:
Newmont Gold Co. Bioleach Stockpile Pad, Carlin, NV

Railroads

Recent Project:
BNSF Ft. Sumner to BNSF CP666 to Aurora Double Track Capacity Improvement Project, Aurora, NE

water treatment and storage

Recent Project:
K-18 Riley County Phase 1, Manhattan, KS

Airports

Recent Project: Colorado Springs, Taxiway C

Dams and Reservoirs

Recent Project: Denver Water Ralston Dam Spillway Modifications

Highways, Roads, and Bridges

Recent Project: SR 93A, I-75 NB On-Ramps, Tampa, FL

Industrial Mining

Recent Project:  South Tani Reservoir, Thornton, CO

Oil, Gas, and Energy

Recent Project: Newmont Gold Co. Bioleach Stockpile Pad, Carlin, NV

Railroads

Recent Project: BNSF Ft. Sumner to BNSF CP666 to Aurora Double Track Capacity Improvement Project, Aurora, NE

Water Treatment and storage

Recent Project:  K-18 Riley County Phase 1, Manhattan, KS

SEMA. More to look forward to.

Phone Number

303.627.2600

Email Address

SEMA@SemaConstruction.com

Drop us a line

Potential project owners or prospective employees can send a note to our headquarters in Colorado. To find the address of one our field offices in California, Florida or Texas, click here.

Our Offices

Corporate
Headquarters

SEMA Construction, Inc.
7353 S. Eagle Street, Centennial, CO 80112
PH: 303.627.2600
FX: 303.627.2626
Email: sema@sema.inc

Rocky Mountain
District

SEMA Construction, Inc.
7353 S. Eagle Street, Centennial, CO 80112
PH: 303.627.2600
FX: 303.627.2626
Email: sema@sema.inc

California
District

SEMA Construction, Inc.
9810 Scripps Lake Dr. Ste. C, San Diego, CA 92131
PH: 303.627.2600
FX: 951.296.6448
Email: sema@sema.inc

Southeast
District

SEMA Construction, Inc.
6200 Hazeltine National Drive, Suite 100 Orlando, FL 32822
PH: 407.563.7900
FX: 407.563.7999
Email: sema@sema.inc

Texas
District

SEMA Construction, Inc.
2331 Mustang Drive, Suite 300, Grapevine, TX 76051
PH: 817.251.5001
FX: 817.251.2344
Email: sema@sema.inc

SEMA
Precast, Inc.

SEMA Precast, Inc.
14585 Brighton Road, Brighton, CO 80601
PH: 303.654.1788
FX: 303.654.1947
Email: sema@sema.inc

Our Projects