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    • Asphalt Patching
    • Concrete Construction
    • Demolition
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    • Commercial Snow Removal
    • Trucking and Recycling
    • Septic
    • Foundation Drilling
    • Bridge and Box Culvert Construction
    • Sewer and Water Underground Construction
  • Contact
(815) 559-2088
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  • Home
  • About
    • About Us
    • Areas We Serve
    • FAQs
    • Resources
  • Services
    • Commercial Excavation Services
    • Concrete Construction & Flatwork
    • Foundations & Structural Concrete
    • Curbs, Sidewalks & Pavement Work
    • Underground Utility Installation
    • Sanitary Sewer Construction
    • Storm Drain & Drainage Systems
    • Water Main Installation & Repair
    • Demolition & Site Clearing
    • Pile Driving & Bridge Construction
    • Septic Installation, Pumping & Servicing
    • Commercial Snow Removal
    • Hydro-Excavation
    • Asphalt Patching
    • Trucking & Recycling
  • Gallery
    • Asphalt Patching
    • Concrete Construction
    • Demolition
    • Excavating and Grading
    • Commercial Snow Removal
    • Trucking and Recycling
    • Septic
    • Foundation Drilling
    • Bridge and Box Culvert Construction
    • Sewer and Water Underground Construction
  • Contact
(815) 559-2088

Gallery

Reach Out Today

Asphalt Patching

Road construction: Compacted gravel road with a small roller and a front-end loader; residential setting.
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Road paving: Roller compacting fresh asphalt on a street. A yellow loader and cones are also present.
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Blue dump truck unloading gravel on a residential street; construction underway.
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Concrete Construction

Concrete being poured by a machine at a construction site with a concrete truck, workers, and a tree.
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Yellow cement truck pouring concrete for a pathway along a grassy area, daytime.
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Concrete foundation with a gravel foreground, a metal building in the distance, and an overcast sky.
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Construction site with rebar grid covered by plastic sheeting, ready for concrete pouring.
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Construction site with gravel, concrete blocks, and cloudy sky.
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Construction site with wooden forms for foundation on a gravel-covered expanse under a blue sky.
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Construction site with a concrete foundation, gravel, and heavy equipment.
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Construction site with workers, rebar, concrete forms, and a concrete pump against a clear sky.
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Construction site with workers, rebar, and concrete forms.
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Construction site with heavy machinery, cloud-filled sky, and foundation work in progress on a rural landscape.
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Construction site: concrete being poured onto a foundation. Workers in safety vests, red concrete pump truck. Sunny day.
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Construction site with workers, wooden framework, and heavy machinery; large building in the background.
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Construction site: Workers building concrete structure; industrial backdrop with conveyor belts and silos.
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Yellow concrete truck beside a silver vehicle at a cement plant. Workers stand near them; tall cement silos are in the background.
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Construction site with a small excavator digging; concrete and rebar structures visible.
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Construction site with cranes, a blue lift, and workers near a tall structure and concrete blocks.
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Construction site with cement trucks and machinery, pouring concrete near large industrial buildings under a cloudy sky.
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Construction of a road with a cement mixer, asphalt paving machine, and workers in safety vests.
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Street construction site with gravel, a cement truck, and utility poles on a sunny day.
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Demolished industrial buildings under a cloudy sky. Workers near heavy machinery.
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Demolition

Excavator demolishing a partially-destroyed log cabin on a clear day. Debris surrounds the building.
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A crane lifts a street light, with a service truck on a highway shoulder under a blue sky.
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Construction site with excavators demolishing a concrete structure under a blue sky.
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Two excavators working on road, loading truck with debris on a sunny day.
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Excavating & Grading

Construction site: Excavators loading a dump truck with dirt under a blue sky.
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Construction site with heavy machinery plowing fields under a cloudy sky.
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Red tractor pulling a yellow scraper on a dirt field, trees in the background.
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Construction site with heavy machinery grading the land; GPS equipment in foreground under a blue sky.
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Construction site with bulldozer, excavator, and dump truck moving dirt; cargo containers in the background.
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Dark green truck with trailer pumping something in a field. Cloudy sky.
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Two workers in safety vests dig near red vacuum truck, utility pole, and industrial building.
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Earthmoving site; brown soil, machinery, clear blue sky, buildings in the distance.
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Buildings on gravel drive with green grass patch. Trees and blue sky.
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Construction site with trucks, excavators, and gravel. Cloudy sky over a partially paved area.
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A recently plowed field under a cloudy sky. Tractor and equipment visible in the distance.
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Yellow bulldozer and red tractor working in a muddy field under a blue sky.
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A gravel lot with a red truck, trees, and a cloudy sky.
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Several large, white agricultural buildings on a dirt lot under a bright blue sky.
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White building with a gravel driveway under a blue sky.
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Excavator working on a brown dirt field under a clear blue sky.
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Excavator loading dirt into a dump truck, parked near a white building, on a gravel lot.
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Construction site in front of a large industrial building, with machinery and gravel. Cloudy sky.
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Commercial Snow Removal

Yellow snowplow clearing snow at night.
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Night scene of snow removal. Several loaders are clearing a large snow pile in a parking lot. Lights illuminate the scene.
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Snowplows clearing a snowy area next to a row of white containers on an overcast day.
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Snow plows clearing snow from a lot. Trucks are parked behind the plows.
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Trucking & Recycling

Three teal industrial machines on gravel, processing rubble under a clear blue sky.
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A large, green, mobile rock crusher with conveyor belts processing gravel, in an outdoor setting.
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Black semi-truck pulling a lowboy trailer parked on a snowy lot near a building.
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Two semi-trucks, a yellow loader, and piles of gravel at a construction site under a blue sky.
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Septic

Blue tanker truck with AWSS logo at a wastewater treatment facility, large black tanks in the background.
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Trucks parked near brick buildings on a grassy area, trees in the background under a cloudy sky.
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Four tanker trucks lined up on grass in front of houses; cloudy day.
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Construction site with a crane lifting a concrete slab. An excavator digs in the background.
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Foundation Drilling

Construction site with excavator and crane near an old brick building; American flag flies above.
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Construction site with gray pipes, dirt, concrete, and yellow safety barriers near large tanks.
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Construction workers operating equipment near large industrial tanks.
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Excavator with auger drilling into the ground, construction site with unfinished houses in the background.
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Bridge & Box Culvert Construction

Construction site with excavator, crane, and worker on a brown field under a blue sky.
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Construction site. Workers building a rectangular structure in a dirt trench, surrounded by trees and equipment.
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Construction site: Crane lifting a steel piling near a bridge. An excavator and truck are also visible. Bright blue sky.
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An excavator clearing debris from under a bridge. Various trucks parked nearby. Green grass and foliage surrounding the area.
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John Deere excavator placing a green device over a brown post; construction site with workers.
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Yellow excavator operating near a small bridge in a field under a blue sky.
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Construction site with a concrete truck pouring concrete into a culvert, an excavator, and a ditch.
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Sewer & Water Underground Construction

Construction site: excavator placing black pipe in trench; workers in distance.
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Construction site with blue pipes being installed. Workers in safety vests near a large industrial building.
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Construction site: excavator and workers installing pipe in trench. Overcast sky, dirt, and equipment visible.
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Man holding pole, assisting in excavation of a trench, two workers in trench.
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Construction scene: Excavator digging, dump truck, and front-end loader on dirt field under a cloudy sky.
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Call Us

(815) 559-2088

Our Location

601 Highway 89, Spring Valley, IL 61362

Our Hours

Mon - Fri
8:00 am - 4:00 pm
Sat - Sun
Closed
Green and gray Gillan Construction logo with excavator icon.
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  • Commercial Excavation Services
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  • Pile Driving & Bridge Construction
  • Demolition & Site Clearing

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Services

  • Commercial Excavation Services
  • Concrete Construction & Flatwork
  • Foundations & Structural Concrete
  • Curbs, Sidewalks & Pavement Work
  • Underground Utility Installation
  • Sanitary Sewer Construction
  • Storm Drain & Drainage Systems
  • Water Main Installation & Repair

Additional Services

  • Demolition & Site Clearing
  • Pile Driving & Bridge Construction
  • Septic Installation & Pumping
  • Commercial Snow Removal
  • Hydro Excavation
  • Asphalt Patching
  • Trucking & Recycling