Sioux Falls, SD Office

Serving Eastern South Dakota and More

About Us

The Sioux Falls, South Dakota office has local professionals to handle electrical construction, engineering, automation, and operational technology (OT) needs throughout the Great Plains. With local ties and national traveling resources, your facilities can stay up and running. Let’s collaborate and build your next successful project together.

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What We Do

Associated Builders and Contractors Nebraska/South Dakota Chapter

Grain Elevator and Processing Society (GEAPS) Siouxland Chapter

Project Management Institute - South Dakota Chapter

Sioux Falls Chamber of Commerce

Society for Human Resource Management - Sioux Empire

Our Featured Projects

Aerial view of an egg-laying facility.

Center Fresh Group

  • Location: Sioux Center, IA
  • Industry: Food & Beverage
  • Scope: Cage-free barn construction, power distribution, control panel installation
  • Client Need: Build large-scale cage-free facilities to meet production demand and industry shifts toward cage-free operations
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Underground electrical conduits run through a freshly dug trench at a construction site in a rural area, with multiple gray and black pipes curving toward a vertical conduit rack in the distance under a cloudy sky.

Novilla RNG Facility

  • Location: Maurice, IA
  • Industry: Renewable Energy (Biogas / RNG)
  • Scope: Full electrical construction, power distribution (underground & overhead), electrical room design, startup sequencing support
  • Client Need: Convert dairy biogas into renewable natural gas with reliable, large-scale system performance
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A wide aerial photo of a water treatment plant under construction, featuring multiple red-brick buildings, circular concrete tanks, construction equipment, and materials spread across the site. Dirt roads and grassy areas surround the facility, with additional construction and infrastructure development visible in the background.

Sioux Falls Wastewater Project

  • Location: Sioux Falls, SD
  • Industry: Wastewater
  • Scope: Power distribution upgrade, automation integration, 3D modeling/prefabrication
  • Client Need: Expand treatment capacity and modernize infrastructure to support long-term population growth while maintaining continuous operations
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The Industries We Serve

Our Sioux Falls team leverages extensive experience across various industries to simplify complex problems, quickly deliver quality solutions, and offer industry-specific support. In addition to this, we offer tailored solutions for Industrial Manufacturing.

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What Our Clients Are Saying

“Having good collaboration has been critical to maintaining the project deadline and budget...We look forward to continuing to work with them.”

Allyn Brummel, Civil Engineer at City of Sioux Falls

Featured Articles

A large group of people wearing casual clothes and work hats gathers in a hotel conference room, facing a small setup at the front where a few people appear to be speaking or giving instructions.

Field Leadership Excellence: Celebrating the Leaders Who Shape Interstates

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From the Field to the Competition Floor: Riley and Jose Share Their ABC Experience

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Industrial rooftop installation with metal conveyor equipment and piping mounted on steel supports, extending into the distance. Several light fixtures line the structure, and a cloudy sky and distant industrial buildings are visible in the background.

2026 IAOM Conference & Expo

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Graphic banner with the heading “Leader in Construction.” A circular headshot shows a smiling woman with shoulder‑length dark hair wearing a dark top. Text on the banner reads: “Jenny Gilliland – Assistant Project Manager II.”

On the Job Site and Beyond: Women Leading in Construction

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Did You Know? Interstates Edition

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A Partnership Built on Progress: 35 Years of Growing Together with Ardent Mills

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Work at Interstates

Are you looking for a growth-oriented career with educational opportunities and benefits that put you and your family first? Then Interstates could be the place for you.

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