Business Details
Your Trusted Engineering Partner in Chicago
T & I Engineers is a privately owned consulting and subcontractor firm dedicated to delivering engineered solutions that strengthen communities. Certified as a DBE and MBE firm by the Illinois UCP, City of Chicago, and Illinois CMS, we operate as a licensed Professional Design Firm with IDOT Prequalification across highway infrastructure categories and Illinois CDB Prequalification for civil engineering. Our expertise spans all phases of transportation and infrastructure construction, including construction inspections, value engineering, forensic engineering, and stormwater management. With over 30 years of highway engineering experience, our managing principal, Mike Lee, leads a team committed to quality service delivery.As a registered IDOT subcontractor, we also provide specialized sewer televising and traffic control services. Our veteran-priority status reflects our commitment to excellence and community impact. We maintain federal registration with DUNS Number 079495499 and CAGE Number 76JV0. Our mission combines technical precision with a focus on building stronger communities through infrastructure development. Backed by decades of industry experience, we prioritize client satisfaction and project excellence in every engagement.
Services
Highway Engineering
Sewer Televising
Traffic Control
Construction Inspections
Stormwater Management
Highlights and features
- 30+ years of highway engineering expertise
- Certified DBE/MBE with multiple government qualifications
- Comprehensive transportation infrastructure service offerings
- Veteran-priority firm with federal registration
- Registered IDOT subcontractor with specialized services
Associations and certifications
- Illinois UCP
- City of Chicago
- Illinois CMS
- IDOT Prequalification
- Illinois CDB Prequalification
Services
Highway Engineering
We provide comprehensive highway engineering services including feasibility studies, location design, and reconstruction planning. Our IDOT-qualified team handles all project phases from initial assessments to major rehabilitation efforts. With decades of experience in Chicagoland infrastructure projects, we ensure compliance with state and federal standards while optimizing transportation efficiency.
Construction Inspections
Our certified inspectors oversee transportation projects to ensure quality control and regulatory compliance. We conduct detailed evaluations of construction processes, materials, and safety protocols. This service helps clients maintain project timelines while guaranteeing adherence to engineering specifications and public safety requirements.
Stormwater Management
We develop customized stormwater pollution protection plans and erosion control strategies. Our solutions address site-specific hydrological challenges while meeting environmental regulations. This service helps municipalities and developers manage runoff effectively and protect water quality in urban environments.
People
Mike Lee
Managing Principal
Mike Lee leads T & I Engineers with 30+ years of highway engineering experience. Former senior project manager at major Chicagoland firms, he specializes in transportation infrastructure and project execution.
Questions
What engineering services does T&I Engineers offer?
We specialize in highway transportation engineering, including construction inspections, value engineering, stormwater management, and traffic control services.
Are you certified as a minority-owned business?
Yes, we're certified as both DBE and MBE by Illinois UCP, City of Chicago, and Illinois CMS programs.
Do you work on public infrastructure projects?
Yes, we're a licensed IDOT subcontractor with prequalification in highway construction and infrastructure rehabilitation projects.
What makes your firm unique?
Our combination of 30+ years of highway engineering experience, veteran leadership, and specialized certifications sets us apart in infrastructure solutions.
