Sioux City, IA Office

Serving Sioux City & Surrounding Areas

About Us

The local Sioux City, Iowa team provides electrical construction, engineering, and automation services for projects of all sizes. With local ties and national traveling resources, you have the resources available to build successful projects on schedule, on budget, and to the highest standards.

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What We Do

Associated Builders and Contractors of Iowa

Association of Business & Industry Iowa

Grain Elevator and Processing Society (GEAPS) Siouxland Chapter

Iowa Renewable Fuels Association (IRFA)

Master Builders of Iowa

Siouxland Chamber of Commerce

Our Featured Projects

outside view of a grain facility

Green Thumb Commodities Project

  • Location: Jefferson, SD
  • Industry: Specialty Grain
  • Scope: Engineering design, electrical construction, controls automation, instrumentation, facility integration
  • Client Need: Integrate legacy and new facilities with automation to increase capacity and bring cleaning/packaging in-house
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Outside view of a white building surrounded by grass for a water/wastewater treatment plant.

Royal Canin Pet Care Project

  • Location: North Sioux City, SD
  • Industry: Wastewater Pretreatment (Pet Food Production)
  • Scope: Design-build electrical engineering, electrical construction, instrumentation, controls installation
  • Client Need: Add wastewater pretreatment capacity to support pet food production 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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The Industries We Serve

The Sioux City team utilizes vast expertise spanning multiple industries to streamline intricate challenges, promptly provide high-quality solutions, and deliver tailored support tailored to each industry's needs.

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Featured Articles

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The 3 Pillars of Safety: Planning, People, and Process

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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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Two men in blue ABC polo shirts and jeans stand in front of an ABC/abc.org branded backdrop, posing for a photo.

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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Four smiling Interstates team members.

Did You Know? Interstates Edition

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Work at Interstates

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

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