SEMA’s core proficiencies are all outdoors. It’s the naturally-built environment that plays headquarters to hundreds of our employees in the field every day. We have the ability to quickly mobilize equipment and resources to respond immediately and meet milestone deadlines. Our fleet of more than 1,000 emission-compliant assets can be swiftly deployed for any type of project, nation-wide. Select any of our markets to read more about how you can benefit from our expertise.



Dams & Reservoirs

Highways & Roads

Industrial & Mining

Oil, Gas & Energy


Underground Utilities

Water Treatment & Storage