Illinois is home to some of the strongest self-storage markets in the United States. The Chicago metro area alone has hundreds of millions of square feet of self-storage space as well as some of the best storage facility builders in Illinois. We have gathered a list of top builders to help investors and entrepreneurs find the right partner.

Morton Buildings, Inc.

252 W Adams Street, Morton, IL 61550

Morton Buildings gives clients “the Morton advantage.” The company is committed to building structures that stand the test of time, and it delivers a variety of projects nationwide. It specializes in custom garages, horse barns, hobby buildings, and storage facilities, with almost half of its storage facilities having been built in Illinois. The company is particularly known for high-quality single-story-builds ranging from 2,000 to 20,000 square feet in size.

Founded in 1903, Morton has built a legacy of construction excellence during its century in the business. The company has served more than a quarter-million customers. 100% employee-owned, it landed the 69the spot on the National Center for Employee Ownership (NCEO) 2020 Employee Ownership 100 List.

Its robust portfolio includes T&T Superior Storage, a mini-storage facility in Auburn, IL. The facility spans 3,630 square feet. It was made with Morton’s Hi-Rib™ steel for enhanced durability and longevity. 

CEO and Chairman of the Board John Russell has over 14 years of leadership experience, having worked for several construction companies. He attended Florida State University and the University of Chicago.

RMD Construction, LLC

549 W Randolph Street, Suite 704, Chicago, IL 60661

RMD Construction LLC  is a leader in self-storage construction, providing general contracting services to clients throughout Illinois.  The company is also licensed in Indiana, Rhode Island, Virginia, and Wisconsin. It specializes in new builds and renovations, delivering projects for clients in the self-storage industry with remarkable skill and ease. 

The company’s diverse portfolio includes single-story facilities and multi-story climate-controlled facilities ranging from 2,000 to more than 80,000 square feet in size. Based in Chicago, RMD has worked on over 3,000,000 square feet of ground-up and renovation projects totaling $120,000,000 in construction costs.  

Its projects include Life Storage Cincinnati. The three-story facility spans 143,500 square feet. The company provided renovation services for the project, creating extra floor space on the sloping site. 

Owner Bob DiCostanzo has over 40 years of diverse construction experience, having worked for several construction companies before venturing out on his own. Bob established the company in 2016 and is personally involved in all of its projects. He studied Architecture at the University of Illinois at Chicago.

Blunier Builders, Inc.

1230 U.S. Highway 24, Eureka, IL 61530

Blunier Builders provides stress-free building for storage facility owners by delivering projects on time and within budget. As a family-owned and operated company, Blunier Builders values integrity and trust. It is an accredited NFBA Post-Frame Builder with an A+ rating from the Better Business Bureau (BBB). 

Located in Eureka, it constructs high-quality post-frame buildings throughout Illinois. About 80% of its storage facility projects are located in the state. The company specializes in single-story builds ranging from 2,000 to over 20,000 square feet.

Its projects include Mackinaw Storage in Mackinaw, IL. It is a mini storage unit facility with 50 units. The facility has roll-up doors with a lock-out feature for enhanced security. 

Vice President Mike Blunier has more than 19 years of leadership experience. Mike attended Illinois Central College. The company was established in 2002 and has a long list of satisfied clients throughout the state.

Greiner Buildings, Inc.

4328 Walter Payton Memorial Highway, Kewanee, IL 61443

Founded in the 1980s, Greiner Buildings has transformed from a small, family-owned business to an established storage facility builder. The company has stayed true to its Midwestern roots and values, putting hard work and quality results above all. Today, the company has over 60 employees and four offices in Illinois and Iowa.

Greiner Buildings, Inc. is an NFBA Accredited Post-Frame Builder and a BBB A+ Accredited business. It has received numerous awards from prestigious institutions over the decades, including the National Post Frame Builders Association. 

The company specializes in single-story builds. The majority of its projects range from 2,000 to 20,000 square feet in size. Its portfolio also includes livestock buildings, commercial buildings, and residential garages.

The company’s clients include Blue Flame Storage in Iowa. Blue Flame’s storage facility includes a building with temperature-controlled units and ample indoor and outdoor parking. The site has an access-controlled gate and surveillance cameras for added security. 

Owner Matt Greiner has over 39 years of leadership experience. In addition to his duties at Greiner Buildings, Matt also serves on the NFBA Board of Directors.

Kelly Construction & Design, LLC

4518 W Irving Park Road, Chicago, IL 60641

Kelly Construction & Design is a premier general contractor with a track record of successful commercial and residential projects. It specializes in single and multi-story builds that span 2,000 to 80,000 square feet and are valued at up to $50 million.  

With LEED-accredited personnel on staff, the company also offers cost-effective renewable energy solutions. These solutions include site evaluation, feasibility studies, installation, and commissioning. Kelly Construction is a member of the Illinois Geothermal Alliance. 

As one of the most trusted storage facility builders in Illinois, the majority of the company’s business comes from repeat clients and referrals. It is based in Chicago with regional offices in Milwaukee, Wisconsin and Hammond, Indiana.

Its projects include the CubeSmart self-storage facility in Crestwood. The company rendered ground-up construction services for the project. It also provided office build-out solutions and installed all of the self-storage lockers on the site. The facility spans  70,000 square feet and features a single-story building. 

Owner and President Michael Kelly has 39 years of leadership experience. Michael also has significant experience in project sales, construction management, and project design. The company was established in 1988.


  • Jake Gustafson

    Jake has served as Senior Editor at General Contractors and brings a wealth of experience rooted in his passion for building. Holding a degree in Construction Engineering Management from Oregon State University, he actively engaged in industry-related activities, including membership in the Associated General Contractors of America student chapter and participation in the Associated Schools in Construction student competition. Previously, Jake served as a project engineer for a prominent general contractor in Portland, where he played a pivotal role in various aspects of construction projects, from pre-construction to subcontractor management. His expertise extends to working on innovative projects, such as North America's largest CLT commercial building. Expertise: Commercial Construction, Commercial Remodeling, Home Design and Build Key Highlights: Editor at General Contractors, Project Engineer for Portland-based general contractor, Field Engineer for the largest CLT commercial building in North America Education: Oregon State University, Degree in Construction Engineering Management