"Interstate Mechanical takes a Design Concept and brings it to life! Their team listened to our ideas, formulated a clear plan, and executed on time and on budget."


-Kevin Schmidt - Tucket's Design Inc.

-Lucas Kertzleben - Vision Builders

             (Perspective Insurance Project in Sioux Center, IA)

"Our vision for the future is to be the contractor who customers look to partner with to help provide solutions"


-James Olson, President

Read more of what James had to say in the Sioux City Journal here.

418 Iowa St. | Sioux City, IA 51101

"Interstate Mechanical Corp has consistently produced quality work. They pay close attention to detail and treat every job with utmost importance. This is why they are a company that we have no problems working on numerous jobs with. They have knowledgeable project managers and employees that communicate well amongst each other and with their clients."


Brent Koch - CMBA Architects

(Dakota Valley High School Project)

"It's great to know that Interstate Mechanical doesn't just serve businesses in Sioux City. They are a resource for creative solutions throughout all of Northwest Iowa."


Courtney Koch - CMBA Architects

(Spencer High School Project)

P:712.255.1645 | F:712.255.0628