Construction Quality Assurance & Materials Testing

This subcontract for Construction Quality Assurance and Materials Testing involves providing on-site inspection and laboratory testing of construction materials for prime contractors working on Illinois State Toll Highway Authority projects. The scope of work includes sampling and testing aggregate, Portland Cement Concrete, and Hot Mix Asphalt, as well as performing soils inspection and field tests. The selected provider is responsible for delivering comprehensive material test reports and quality assurance certification. To qualify for this engagement, the contractor must possess AASHTO Accreditation, IDOT Quality Management Training, and IDOT Class S-33 certification. This opportunity is managed by the Engineering Construction division of the state of Illinois under NAICS code 541380. Interested parties must submit their responses by the deadline of October 30, 2026.