605 Companies Inc

605 Companies Inc We service the Sioux Empire area and provide a multitude of construction services. 605 Companies Inc.

started 2014 as a residential contractor in the Sioux Empire area. Since then, we’ve grown into a complete general/ sitework contractor. We construct projects in both the public and the private sector. Services: Siteworks, Utilities, Mobile Crushing, General Contracting, Trucking/Hauling, Welding & Repair Services,

Off to DeSmet we go!
08/24/2026

Off to DeSmet we go!

We are a complete general contracting and site work contractor serving the Sioux Empire area. Check out our website and ...
07/01/2026

We are a complete general contracting and site work contractor serving the Sioux Empire area. Check out our website and let us know what we could do for you!


Below are the kinds of services we provide on a wide range of project types. Click on the buttons to get more specific information about our site work services.

Now that summer is officially here, we are full swing into South Dakota's 5th season- road construction season. Working ...
06/29/2026

Now that summer is officially here, we are full swing into South Dakota's 5th season- road construction season. Working on more draining improvement areas.

Working on drainage improvement near a few schools this summer!
06/26/2026

Working on drainage improvement near a few schools this summer!

Have you seen us along the interstates? Our Erosion department has been mowing. Be sure to give our tractors space when ...
06/24/2026

Have you seen us along the interstates? Our Erosion department has been mowing. Be sure to give our tractors space when driving by!

We are in Corson, starting a commercial building.
06/22/2026

We are in Corson, starting a commercial building.

06/01/2026

We are always looking for talented people.

05/31/2026
Mobile Concrete & Asphalt Crushing ServicesOur mobile crushing division brings efficiency directly to your job site. We ...
05/29/2026

Mobile Concrete & Asphalt Crushing Services
Our mobile crushing division brings efficiency directly to your job site. We turn concrete, asphalt, and demolition debris into reusable aggregate—saving you time, transportation costs, and disposal fees.

Serving Eastern South Dakota. Sioux Falls area. Reach out to [email protected] for more information.

Address

700 E 65th Street North
Sioux Falls, SD
57104

Opening Hours

Monday 7am - 5:30pm
Tuesday 7am - 5:30pm
Wednesday 7am - 5:30pm
Thursday 7am - 5:30pm
Friday 7am - 5:30pm

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