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
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The O'Connor Contractors annual revenue was $7 million in 2026.
O'Connor Contractors is based in Alsip, Illinois.
The NAICS codes for O'Connor Contractors are [2381, 238, 238110, 23, 23811].
The SIC codes for O'Connor Contractors are [177, 17].