605 Companies, Inc. | Sioux Falls, SD – commercial, dirtworks, sitework, residential, trucking and hauling

Sioux Empire’s Trusted Site Development & General Contracting Partner

Excavation • Utilities • Site Development • General Contracting • Mobile Crushing • Trucking & Hauling • Welding/Repair • Erosion Control

Serving Commercial, Municipal, Agricultural, and Residential Projects Across Eastern South Dakota, Northwest Iowa, and Southwest Minnesota.

BUILDING LONG-TERM PARTNERSHIPS BASED ON INTEGRITY

Site Development & General Contracting Services in Sioux Falls, SD

605 Companies Inc. is a full-service site development and general contracting company based in Sioux Falls, South Dakota. We specialize in excavation, underground utilities, site preparation, trucking and hauling, mobile concrete and asphalt crushing, and general contracting services for commercial, municipal, agricultural, and residential projects throughout the Sioux Empire and surrounding communities.

Full Service Sitework and Contracting Company
Located in Sioux Falls, SD

Proudly Serving

Sioux Falls
Brandon
Harrisburg
Tea
Lennox
Hartford
Dell Rapids
Beresford

Canton
Madison
Vermillion
Yankton
Eastern South Dakota
Northwest Iowa
Southwest Minnesota

CONNECT WITH US

—WHAT WE DO—

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.