Our Mission

The mission of Gilco Mechanical Contractors is to provide professional contracting services to a wide array of clients - residential, commercial and industrial entities. 
Gilco Mechanical Contractors is committed to the highest standard of quality.

About Us

Gilco Mechanical Contractors, Inc. was founded by LeRoy T. Gill, Jr.  who is an expert in the field with over 40 years experience in the plumbing industry and 32 years as a Plumbing Contractor in the City of Chicago.  Gilco Mechanical has completed many major projects as well as many community based projects. Including but not limited to:

Aldi Finer Foods, Food 4 Less, Richard Flowers Townhomes (60), Several Multi-Unit Rehabs, Bank of America, Children’s Museum at Navy Pier, Whole Foods Site Utilities.

Gilco Mechanical Contractors is committed to quality.   Our objective is to safely deliver 100 percent complete construction projects that meet all contract and customer expectations the first time, every time.  Our commitment to quality means:

  • Every Gilco Mechanical Contractors employee is responsible for fully implementing and complying with all provisions of the Gilco Mechanical Contractors quality system.
  • We stand behind our work.  We inspect every task to assure conformance to the project requirements.  Should problems be found, we correct them.
We conduct our work with dignity and respect for the customer, our contractors, suppliers, and ourselves.


City of Chicago Minority Business Enterprise
City Of Chicago Licensed Plumber
City Of Chicago Licensed Plumbing Contractor (35 Years)
State Of Illinois Licensed Plumber
State Of Illinois Licensed Plumbing Contractor
Solar Hot Water Piping
Caring For Our Water
Climate Care
Water Efficient Technology
Water Auditing
Gilco Mechanical Contractors, Inc MBE