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General Contracting, Design-Build & Construction Management

Alliant is building on a strong foundation — from design to estimation, construction management to completion.

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New Construction & Renovations

Taking your vision from concept to reality — we specialize in new construction, renovation and interior build-out services.

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Featured Projects

Our History

Alliant Construction is proud to be a division of Ergon Construction Group.

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Dedicated to Quality and Safety

Our dedication to quality follows our commitment to safety.

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Our Team

Our team has decades of combined experience.

Affiliated Companies

In addition to Alliant Construction, Ergon Construction Group includes ISO Services and Ergon Maintenance Services.

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