Heavy construction. Since 1976.

Guinzy Construction, Inc. is a Washington County, IL based firm that operates primarily in Washington, Jefferson and Marion counties of Illinois.
We have successfully served commercial, industrial, and governmental customers since 1976. Our well trained, experienced staff is equipped with the knowledge and expertise to tackle the most difficult projects.
Our principle business activity is heavy construction, which includes building and maintenance of highways, roads, bridges and runways. Our firm is also experienced in the construction of multi-level industrial structural steel buildings and precast concrete structures.
We are a STAR pre-engineered steel building dealer. References are available upon request.
Our values.
Quality First
A reputation built project by project on the work itself.
On Time
Schedules are commitments. We plan, then we deliver.
Safety Always
A safe and healthy environment for everyone on site.
Local Partners
We use local subcontractors to strengthen the community we work in.
