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Marking 9

IDOT I-55 Phase III Smart Overlay

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T. Jenkins 09 24 20215

IDOT Various Phase III Pavement & Bridge Preservation Inspection

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1056M GValencia MVIMG 20200730 215800

IDOT Various Phase III Construction Inspection

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ISTHA I-88 Systemwide

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60D77 Final Product Ramp D 9

IDOT IL 132

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CDOT Irving Park Bridge

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Project 1045 20210910 9

ISTHA Reagan Memorial Road Reconstruction

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20190312 M.Khan 1029 ISTHA 159th Street Bridge Casson Concrete Pour

ISTHA 159th St. Bridge Reconstruction

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CDOT Smart Lighting

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SQN is certified as a Disadvantaged Business Enterprise (DBE) in GA/IL/IN/MA/UT/WI, Minority Business Enterprise (MBE), Women’s Business Enterprise (WBE), and Women-Owned Small Business (WOSB).

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