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Gillan Construction Owner verified
601 IL HIGHWAY 89 SPRING VALLEY, IL, 61362-9127
Last time updated: 2/25/26, 6:05 PM
About
Gillan Construction brings full-service commercial construction to the Illinois Valley and the surrounding region, with a focus on heavy civil and infrastructure projects that require precision from the ground up. Whether you're managing a municipal contract or a private development, you need a contractor who understands the scope and scale of the work involved. Our team handles excavation, foundations, concrete, underground utilities, and bridge construction—all delivered with the equipment and expertise your project demands.
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Frequently Asked Questions
Which days is Gillan Construction open?
Open on Monday, Tuesday, Wednesday, Thursday, Friday.
What are Gillan Construction main services?
commercial excavation services, concrete construction services, book foundation construction services, site work services, underground utilities services, sanitary sewer construction services, storm drain installation services, water main installation services, schedule demolition services, pile driving services, bridge construction services, commercial contractor services, heavy civil contractor services.
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