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Our Story
O’Connor Contractors is proud of its 17-year tradition of self-performing concrete construction excellence. From straightforward parking lots, to the most complex custom formwork for world-class architecture, O’Connor Contractors blends its understanding of concrete and construction to create the most economical approach.
O’Connor Contractors is a turnkey concrete construction company, with an extensive background in industrial, commercial and institutional construction. Our specialties include:
- Foundations and Walls
- Slab Construction
- Tilt-Up Building Packages
- Custom Formwork
- Structural Building Frames
Commercial Experience
Misc Project
Assisted Living
Athletic Field
Auto Dealership / Service
Bank
Church / Synagogue
City / Town Hall
Club House / Community Center
Design Build
Fire / Police Station
Fitness Center
Gas Station
Golf Course
Hospital / Nursing Home
Hotel / Motel
Industrial Maintenance
Library
Manufacturing Plant
Medical Office
Non-Building Construction
Non-Residential Building
Park / Playground
Parking Garage
Parking Lots
Radio / Television Station
Restaurant
Retail Store
Road / Highway
School / College / University
Storage Facility / Warehouse
Terminal - Airport / Bus / Railroad
Regions & Counties Serviced
- Chicago, N.W. Indiana
Illinois 6
- Cook
- Dupage
- Grundy
- Kane
- Lake
- Will
Our CSI Codes
03 01 20 - Maintenance of Concrete Reinforcing
03 01 30 - Maintenance of Cast-in-Place Concrete
03 01 30.51 - Cleaning of Cast-in-Place Concrete
03 01 30.61 - Resurfacing of Cast-in-Place Concrete
03 01 30.71 - Rehabilitation of Cast-in-Place Concrete
03 01 40.51 - Cleaning of Precast Concrete
03 01 40.61 - Resurfacing of Precast Concrete
03 01 40.71 - Rehabilitation of Precast Concrete
03 01 60 - Maintenance of Grouting
03 01 70 - Maintenance of Mass Concrete
03 06 20 - Schedules for Concrete Reinforcing
03 06 20.13 - Concrete Beam Reinforcing Schedule
03 06 20.16 - Concrete Slab Reinforcing Schedule
03 06 30 - Schedules for Cast-in-Place Concrete
03 06 30.13 - Concrete Footing Schedule
03 06 30.16 - Concrete Column Schedule
03 06 30.19 - Concrete Slab Schedule
03 06 30.26 - Concrete Beam Schedule
03 06 70 - Schedules for Mass Concrete
03 11 13.13 - Concrete Slip Forming
03 30 53 - Miscellaneous Cast-in-Place Concrete
03 31 13 - Heavyweight Structural Concrete
03 31 23 - High-Performance Structural Concrete
03 35 19 - Colored Concrete Finishing
03 35 23 - Exposed Aggregate Concrete Finishing
03 35 26 - Grooved Concrete Surface Finishing
03 35 33 - Stamped Concrete Finishing
03 47 13 - Tilt-Up Concrete
03 70 00.00.01 - Mass Concrete
03 71 00.00.01 - Mass Concrete for Raft Foundations
03 72 00.00.01 - Mass Concrete for Dams
09 62 13 - Asphaltic Plank Flooring
09 62 35 - Acid-Resistant Flooring
09 63 13.35 - Chemical-Resistant Brick Flooring
32 16 13.13 - Cast-In-Place Concrete Curbs and Gutters
32 16 13.16 - Cast-In-Place Concrete Curbs
32 16 13.19 - Cast-In-Place Concrete Gutters
35 01 70 - Operation and Maintenance of Dams
35 05 70 - Common Work Results for Dams
35 06 70 - Schedules for Dams
35 49 13 - Floodwalls
35 49 13.13 - Concrete Floodwalls
35 70 00.00.01 - Dam Construction and Equipment
35 71 13 - Concrete Gravity Dams
35 71 16 - Masonry Gravity Dams
35 72 13 - Concrete Arch Dams
35 74 13 - Concrete Buttress Dams
