Alliant Construction is a traditional commercial construction company working with private owners, developers and governmental agencies. We are committed to hard work, great customer service and quality that is second to none.

The Alliant staff has over 60 years of combined experience and expertise in design, estimating, building and managing commercial construction projects including:

  • New buildings (retail, medical, restaurant, office, etc.)
  • Renovations
  • Interior finish outs
  • HVAC upgrades, replacements and preventive maintenance

To request a copy of our project portfolio or to schedule a meeting, please call 601-933-3507.

Project bids and submittals should be sent to:

New Buildings


Interior Finish Outs

HVAC Upgrades, Replacements and Preventive Maintenance

Contact Information

Nathan Witt | President

Andy Measells | General Manager

Part of the Ergon Family

Alliant is a division of Ergon Construction Group, Inc., which was formed to bring together existing and newly established divisions under the umbrella of one construction-focused organization. Customers benefit from the efficiencies and synergies of these divisions and the shared services such as accounting, health and safety, engineering, etc. In addition to Alliant Construction, Ergon Construction Group divisions include ISO Panels (specializing in insulation for tanks, piping and equipment) and Ergon Maintenance Services (an industrial construction and maintenance contractor). Ergon Construction Group’s parent company, Ergon, Inc., was established in 1954 in the petroleum industry’s service sectors and currently provides products and services to more than 90 countries around the world.

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