Innleadair, LLC

Innleadair LLC is a licensed Illinois Professional Engineering design firm with Disadvantaged, Minority and Veteran Owned small business enterprise certifications. The company focuses on electrical engineering. Innleadair’s capabilities include aviation terminals (lighting, power distribution), Electrical Studies (load flow, arc flash and protective device coordination), facilities, data centers, hospitals, infrastructure (pumping stations), power generation and transportation (highway lighting and Intelligent Transportation Systems). Governmental customers include: Illinois American Water Company, Illinois Department of Transportation; Illinois Tollway, Illinois Capital Development Board, Metropolitan Water Reclamation District of Greater Chicago, University of Illinois (at Chicago and Urbana Champaign).

Innleadair LLC was awarded sub and prime contract awards with the Illinois Tollway Authority and a subcontract award with the Metropolitan Water Reclamation District (MWRDGC) of Greater Chicago in 2023 with the  with the support of Ileen Kelly, Program Manager with APEX Accelerators – Illinois PTAC at the College of DuPage.

Working with Ileen Kelly has been a monumental help in navigating both the Federal and State certification programs. Her knowledge with these certification programs has guided many firms to be successful.”


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Contact Information

Business Development Center
535 Duane Street, Office 233
Glen Ellyn IL 60137
(630) 942-2600

Regular Hours
Monday through Friday: 8:30 a.m. to 5 p.m.
Map and Directions