Resources
By Gillan Construction LLC
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June 22, 2026
Storm drain systems in Peoria, IL include drainage pipe installation, catch basins, and erosion control to manage stormwater runoff and prevent flooding.
By Gillan Construction LLC
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May 23, 2026
Underground utility installation in Kewanee, IL includes trenching, pipe placement, and coordination for water, sewer, and storm systems built to municipal standards.
By Gillan Construction LLC
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April 23, 2026
Curbs and sidewalks in Ottawa, IL include ADA-compliant walkways, durable pavement preparation, and code-compliant concrete construction for commercial sites.
By Gillan Construction LLC
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March 24, 2026
Foundation construction in Mendota, IL includes footings, structural concrete, and load-bearing systems built to support heavy commercial structures safely.
By Gillan Construction LLC
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February 22, 2026
Concrete construction services in Princeton, IL deliver commercial slabs, pads, and reinforced flatwork with precision finishing and long-term durability.
By Gillan Construction LLC
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January 23, 2026
Commercial excavation services in Spring Valley, IL include large-scale site clearing, precision grading, and trenching for foundations and utilities.

