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  • What we do

Services

Geotechnical Engineering

Subsurface investigation, foundation design recommendations, and reports grounded in 50 years of Midwest soils knowledge. We don't guess at what's underground — we verify it.
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Environmental Services

Phase I & Phase II Environmental Site Assessments, wetlands delineation, and due diligence for developers, lenders, and project teams who need clear answers before they commit.
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Construction Testing & Special Inspections

On-site materials testing, concrete and soils inspection, structural steel, post-tensioned concrete, firestop, and IBC Chapter 17 special inspections by certified technicians.
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Geotechnical, environmental, and construction testing since 1975.
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Alt & Witzig Engineering
4105 West 99th Street
Carmel, Indiana 46032
(317) 875-7000
© 2026 Alt & Witzig Engineering. All rights reserved.