Since 1995

Building Systems of Illinois has developed a reputation for constructing and designing the highest quality buildings at very affordable prices.

We have constructed commercial, municipal, recreational, agricultural, and industrial buildings for virtually every type of business and use throughout Illinois.

Greg Mackling
Building Design
Project Planning

We use efficient resource management, goal setting, and task execution.

Construction project planning
Building Design

We create building plans and visualize the form and function of your building.

Construction Budget Planning
Budget Planning

We create a budget and forecast costs for your project, and keep it on track.

Project Gallery

We've designed and built projects in most industries in the Central Illinois area and beyond. Have a look at our portfolio of completed projects.

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Office Buildings

Construction and renovation projects for doctor's offices, retail offices, commercial offices, and more.

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We've built a number of restaurants, both free-standing and in strip malls, including the largest DQ Grill & Chill in the U.S.

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Senior Living

We've built skilled nursing facilties, assisted living facilities, and senior independent living units across Central Illinois.

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Let's Talk About Your Project

We understand that building a new structure is a big undertaking, and you probably have lots of questions. From design to budgeting to execution, we have the expertise to bring your vision to life. Let's talk about how we can work together to make your construction project a success.

Get in Touch

1625 Huston Drive • Decatur, Illinois 62526