In Illinois, commercial construction companies play a vital role in shaping infrastructure and building spaces that serve businesses and communities. This sector includes general contractors, construction managers, and specialized service providers focused on various industries such as healthcare, education, and industrial facilities. As trends like sustainability and technology integration take center stage, these firms are adapting to meet evolving market demands. Moreover, innovations like modular construction and improvements in project delivery methods are enhancing efficiency and timelines, reinforcing a steady growth trajectory for the future of commercial construction in the state.


The companies featured in this list vary in size and expertise, ranging from small family-run operations to larger corporate entities. Located primarily in key urban centers like Chicago and Rosemont, they have origins dating back as early as 1919, showcasing deep-rooted experience in the industry. Specializing in a mix of services including design-build, general contracting, and construction management, these firms serve a plethora of sectors, ensuring comprehensive support for projects of all scales.


Continue reading to explore the top commercial construction companies in Illinois.


Top 21 Commercial Construction Companies in Illinois


1. Peak Construction Corporation

  • Website: peakconstruction.com
  • Ownership type: Corporate
  • Headquarters: Rosemont, Illinois, United States (USA)
  • Employee distribution: United States (USA) 97%, Canada 3%
  • Latest funding: March 2018
  • Founded year: 1997
  • Headcount: 51-200
  • LinkedIn: peak-construction-corporation

Peak Construction Corporation, based in Rosemont, Illinois, is a construction firm that specializes in design-build and construction management services. Established in 1997, the company has developed a reputation for addressing complex project needs across various sectors, including industrial, healthcare, hospitality, and office construction. With a workforce of approximately 63 employees, Peak Construction has successfully completed numerous projects throughout the United States, showcasing their expertise in managing large-scale developments. Their commitment to quality and risk mitigation has allowed them to build lasting relationships with clients. The company has also received several awards for its projects and business success, including recognition in the ENR Top 400 Contractor list for 2024. This acknowledgment reflects their ongoing relevance and impact in the commercial construction industry.


2. F.H. Paschen

  • Website: fhpaschen.com
  • Ownership type: Private
  • Headquarters: Chicago, Illinois, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1975
  • Headcount: 201-500
  • LinkedIn: f-h--paschen

F.H. Paschen is a commercial construction and contracting company based in Chicago, Illinois, with a history dating back to 1975. The firm specializes in a variety of construction services, including general contracting, construction management, and design-build solutions. They cater to both public and private sector clients, demonstrating their versatility across multiple industries such as aviation, education, healthcare, and municipal projects. With a workforce of approximately 589 employees, F.H. Paschen has taken on thousands of projects, showcasing their ability to navigate complex construction challenges while adhering to tight budgets and timelines. The company emphasizes safety and quality, employing advanced technologies like Building Information Modeling (BIM) to enhance project delivery. Their commitment to community engagement and workforce development further underscores their role as a responsible corporate citizen in the construction industry.


3. Pepper Construction Group

  • Website: pepperconstruction.com
  • Ownership type: Corporate
  • Headquarters: Chicago, Illinois, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Latest funding: April 2016
  • Founded year: 1927
  • Headcount: 501-1000
  • LinkedIn: pepper-construction-company

Pepper Construction Group, based in Chicago, Illinois, is a commercial construction company that has been active since 1927. With a workforce of approximately 954 employees, the firm specializes in a variety of construction services tailored to meet the needs of its clients. Their offerings include preconstruction services, mechanical, electrical, and plumbing (MEP) coordination, and comprehensive project management. Pepper Construction operates across multiple sectors, including healthcare, education, and industrial markets, showcasing their ability to handle complex projects. The company emphasizes sustainability and high-performance building practices, aiming to improve the quality of life through their construction efforts. Their commitment to environmental responsibility is evident in their initiatives to reduce carbon footprints and enhance energy efficiency in the buildings they construct. Pepper Construction's long history and focus on innovation make them a significant player in the commercial construction industry.


4. McShane Construction Company

  • Website: mcshaneconstruction.com
  • Ownership type: Corporate
  • Headquarters: Rosemont, Illinois, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Latest funding: September 2012
  • Founded year: 1984
  • Headcount: 201-500
  • LinkedIn: mcshane-construction-company

McShane Construction Company, based in Rosemont, Illinois, has been a significant player in the construction industry since its inception in 1984. Specializing in industrial, commercial, and multi-family building projects, the company offers a comprehensive suite of services including pre-construction, design/build, design-assist, and construction management. With a workforce of over 200 employees, McShane has successfully completed numerous projects across the United States, showcasing their ability to handle complex construction challenges. Their commitment to sustainable construction practices reflects a modern approach to building, aiming to enhance the communities they serve. McShane's portfolio features a variety of facilities, from affordable housing to healthcare centers, underscoring their versatility and expertise in the field. The company has also received multiple awards for excellence in construction, further solidifying its reputation in the industry.


5. Clune Construction Company

  • Website: clunegc.com
  • Ownership type: Private
  • Headquarters: Chicago, Illinois, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1997
  • Headcount: 501-1000
  • LinkedIn: cluneconstruction

Clune Construction Company, established in 1997, is a Chicago-based construction firm specializing in construction management and general contracting services. With a dedicated team of around 840 employees, Clune manages an impressive portfolio, overseeing more than $2 billion in construction projects each year. The company serves a variety of sectors, including healthcare, retail, and mission-critical facilities, demonstrating its ability to adapt to different client needs. Clune's service offerings include pre-construction planning, design-build solutions, and advanced virtual construction techniques, which enhance project efficiency and accuracy. The firm has also made significant strides in promoting employee ownership through its Employee Stock Ownership Plan (ESOP), fostering a culture of commitment and accountability among its workforce. Clune has been recognized with multiple awards for its ethical practices and workplace environment, further solidifying its reputation in the construction industry.


6. BOWA Construction


BOWA Construction is a general contracting and construction management firm based in Chicago, Illinois. Established in 2009, the company has grown to employ around 80 professionals and has completed over 250 projects across various sectors. BOWA specializes in general contracting, construction management, and design-build services, focusing on markets such as healthcare, aviation, and education. The firm prides itself on delivering high-quality projects while actively engaging with the community and fostering the next generation of construction leaders through initiatives like the BOWA Emerging Leaders Program. BOWA is also recognized for its commitment to safety and customer service, ensuring that client needs are prioritized throughout the construction process. As an African American-owned business, BOWA Construction plays a significant role in promoting diversity within the industry, further enhancing its profile in the commercial construction sector.


7. Contegra Construction Co.

  • Website: contegracc.com
  • Ownership type: Private
  • Headquarters: Edwardsville, Illinois, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2003
  • Headcount: 51-200
  • LinkedIn: contegra-construction-co-

Contegra Construction Co. is a construction firm based in Edwardsville, Illinois, specializing in general contracting, design, and construction services. Established in 2003, the company has built a reputation for delivering quality projects across various sectors, including industrial, healthcare, and retail. Contegra's approach is characterized by a commitment to client satisfaction, ensuring that each project is managed from conception to completion with a focus on integrity and performance. Their portfolio includes a range of projects, from light and heavy industrial facilities to multi-family housing and municipal buildings. The company also emphasizes safety and has a strong financial standing, which allows them to maintain ample bonding capacity and a solid pay history. With a dedicated team of professionals, Contegra Construction Co. continues to serve businesses and organizations seeking reliable construction solutions.


8. K&L (Korte & Luitjohan) Contractors


K&L (Korte & Luitjohan) Contractors, Inc. is a family-owned construction firm based in Highland, Illinois, established in 1958. With a workforce of approximately 51-200 employees, the company has built a reputation for delivering quality construction services across the St. Louis Metro and Southern Illinois areas. K&L specializes in design-build, construction management, and general contracting, focusing on commercial projects in sectors such as healthcare, education, and municipal infrastructure. Their ability to self-perform key tasks like carpentry and concrete work allows them to maintain control over project quality and timelines. Over the years, K&L has completed significant projects, including water treatment facilities and healthcare centers, showcasing their capability to handle complex construction challenges. The company is also known for its commitment to safety and community engagement, supporting local charities and initiatives. K&L Contractors continues to thrive in the commercial construction sector, driven by a dedication to client collaboration and project excellence.


9. Poettker Construction Company

  • Website: poettkerconstruction.com
  • Ownership type: Family Owned
  • Headquarters: Breese, Illinois, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1980
  • Headcount: 51-200
  • LinkedIn: poe-construction

Poettker Construction Company, founded in 1980 and based in Breese, Illinois, is a family-owned construction firm that specializes in a range of services including construction management, general contracting, and design/build solutions. The company has established a strong foothold in various sectors, particularly healthcare, education, and government. With a dedicated team of 141 employees, Poettker Construction emphasizes safety, quality, and sustainable design in all its projects. Their portfolio showcases a variety of completed works, from healthcare facilities to educational institutions, reflecting their capability to handle complex construction challenges. The firm prides itself on building lasting relationships with clients and partners, which has led to a significant amount of repeat business and referrals. Poettker Construction is also recognized for its community engagement and philanthropic efforts, further solidifying its role as a responsible corporate citizen in the construction industry.


10. Power Construction

  • Website: powerconstruction.net
  • Ownership type: Private
  • Headquarters: Chicago, Illinois, United States (USA)
  • Employee distribution: United States (USA) 94%, India 2%, Other 4%
  • Founded year: 1926
  • Headcount: 201-500
  • LinkedIn: power-construction

Power Construction Company, founded in 1926, is a Chicago-based construction firm specializing in commercial and institutional building projects. With a workforce of 201-500 employees, the company has built a reputation for delivering high-quality construction solutions across various sectors, including healthcare, education, and hospitality. Their service offerings include preconstruction, project management, and sustainable construction practices. Power Construction prides itself on its hands-on leadership approach, fostering long-term relationships with clients and partners. The firm has developed specialized teams that focus on specific industries, ensuring that they meet the unique demands of each project. Their commitment to community involvement and workforce diversity is evident in their initiatives aimed at creating opportunities for underserved communities. Power Construction's dedication to innovation and client satisfaction is reflected in their impressive client retention rates, with 90% of clients referring or rehiring them for future projects.


11. Osman Construction Corporation

  • Website: osmanconstruction.com
  • Ownership type: Private
  • Headquarters: Arlington Heights, Illinois, United States (USA)
  • Employee distribution: United States (USA) 76%, Zambia 12%, Egypt 12%
  • Founded year: 1946
  • Headcount: 51-200
  • LinkedIn: osman-construction-corporation

Osman Construction Corporation, based in Arlington Heights, Illinois, has been a significant player in the construction industry since its inception in 1946. Originally established as Hope Construction Company, it was incorporated as Osman Construction Corporation in 1972. The firm specializes in general contracting and construction management services, catering to a variety of sectors including automotive, healthcare, retail, and public projects. With a workforce of approximately 66 employees, Osman Construction prides itself on its commitment to quality and safety, ensuring that every project meets high standards. The company has also made strides in sustainable building practices, achieving multiple LEED certifications for its projects. This focus on green building not only reflects their dedication to environmental responsibility but also positions them favorably in a market increasingly concerned with sustainability. Osman Construction's hands-on approach and self-performing capabilities allow them to maintain control over critical aspects of construction, further enhancing their reputation in the industry.


12. Helios Construction Services


Helios Construction Services is a commercial general contractor and construction management firm based in Chicago, Illinois. Established in 2008, the company specializes in managing complex construction projects across various sectors, including retail, industrial, and healthcare. With a team of approximately 30 employees, Helios focuses on delivering high-quality outcomes through a comprehensive suite of services that spans pre-construction, construction, and post-construction support. Their approach integrates advanced technology and proven processes to ensure projects are completed on time and within budget. Helios has worked on a variety of notable projects, such as the Revolution Brewery and the Consulate General of Switzerland, showcasing their ability to handle diverse construction needs. In 2022, they expanded their operations to Nashville, Tennessee, further solidifying their presence in the commercial construction market. Helios is also recognized as a Minority-Owned Business (MBE), certified by the Illinois Business Enterprise Program, which enhances their appeal to clients looking for inclusive partnerships.


13. Michuda Construction

  • Website: michuda.com
  • Ownership type: Family Owned
  • Headquarters: Tinley Park, Illinois, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1919
  • Headcount: 201-500
  • LinkedIn: buildyourtradition

Michuda Construction, based in Tinley Park, Illinois, is a family-owned construction firm with a rich history dating back to 1919. The company has built a reputation for delivering high-quality construction services across various sectors, including healthcare, education, and commercial projects. With a workforce of approximately 41 employees, Michuda Construction emphasizes meticulous pre-construction planning, construction management, and general contracting. Their approach integrates innovative practices and a strong commitment to safety, which is evident in their proprietary safety technology. Over the years, Michuda has successfully completed numerous projects, including healthcare facilities and educational institutions, showcasing their ability to create functional and innovative spaces. Their awards, such as the Illinois Family Business of the Year and the Chicago Innovation Award Finalist, highlight their standing in the industry and their dedication to excellence.


14. Krusinski Construction Company

  • Website: krusinski.com
  • Ownership type: Private
  • Headquarters: Oak Brook, Illinois, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1973
  • Headcount: 51-200
  • LinkedIn: krusinski-construction-company

Krusinski Construction Company, based in Oak Brook, Illinois, has been a player in the commercial construction sector since its inception in 1973. With a workforce of around 67 employees, the company specializes in a variety of construction services, including pre-construction, design-build, and project management. They cater to a wide array of industries, such as healthcare, education, and industrial sectors, showcasing their ability to tackle complex projects. The firm prides itself on fostering strong relationships with clients, emphasizing trust and collaboration throughout the construction process. Their commitment to quality is evident in their proactive approach to safety and their investment in advanced technologies like Building Information Modeling (BIM). Additionally, Krusinski Construction has a history of engaging in sustainable building practices, having completed numerous projects that meet LEED and other green building standards. Their community involvement and dedication to employee development further reflect their commitment to the industry and the regions they serve.


15. Pacific Construction


Pacific Construction, based in Chicago, Illinois, has been a significant player in the construction industry since its founding in 1993. The company specializes in general contracting, construction management, and design-build services, catering to a variety of sectors including healthcare, government, industrial, and retail. With a workforce of around 67 employees, Pacific Construction prides itself on its collaborative approach, ensuring that projects are completed on time and to the satisfaction of clients. Their portfolio includes a range of successful projects, from federal government facilities to healthcare renovations, showcasing their ability to adapt to different project requirements. The firm is dedicated to community engagement, actively supporting local organizations and initiatives. This commitment, combined with their extensive experience, positions Pacific Construction as a reliable partner in the commercial construction industry.


16. Leopardo Construction

  • Website: leopardo.com
  • Ownership type: Family Owned
  • Headquarters: Hoffman Estates, Illinois, United States (USA)
  • Employee distribution: United States (USA) 99%
  • Founded year: 1977
  • Headcount: 201-500
  • LinkedIn: leopardo-companies

Leopardo Construction, founded in 1977 and based in Hoffman Estates, Illinois, is a family-owned construction firm that specializes in various sectors, including healthcare, education, and aviation. With a workforce of approximately 335 employees, the company offers a range of services such as construction management, preconstruction estimating, and development. Leopardo has built a reputation for managing complex projects efficiently, ensuring they are completed on time and within budget. Their portfolio includes notable projects like the General Mitchell International Airport and various healthcare facilities. The company is also recognized for its commitment to safety and sustainability, integrating innovative technologies into their construction processes. With offices in Illinois, Ohio, and Florida, Leopardo Construction serves clients across the United States, emphasizing a collaborative approach to project management and community engagement.


17. W. A. Randolph, INC.

  • Website: warandolph.com
  • Ownership type: Private
  • Headquarters: Gurnee, Illinois, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1957
  • Headcount: 51-200
  • LinkedIn: william-a--randolph-inc-

W. A. Randolph, INC. is a commercial construction company based in Gurnee, Illinois, with a history dating back to 1957. The firm specializes in general contracting, construction management, and design/build solutions, catering to a wide array of clients in sectors such as hospitality, healthcare, and retail. With a workforce of approximately 73 employees, the company prides itself on its commitment to quality and customer satisfaction. Over the years, W. A. Randolph has successfully completed numerous projects, ranging from hotels and hospitals to retail centers and multi-family residential buildings. Their approach emphasizes efficiency and innovation, ensuring that each project is managed effectively from inception to completion. The company has transitioned from focusing on infrastructure construction to a broader scope in building construction, reflecting its adaptability to market demands and trends.


18. Carlson Construction

  • Website: cbinc.net
  • Ownership type: Private
  • Headquarters: Joliet, Illinois, United States (USA)
  • Employee distribution: United States (USA) 85%, Philippines 8%, Canada 8%
  • Founded year: 1990
  • Headcount: 11-50
  • LinkedIn: carlson-construction

Carlson Construction, officially known as Carlson Bros., Inc., is a private construction firm based in Joliet, Illinois. Founded in 1990, the company specializes in general contracting, construction management, and design-build services. With a workforce of approximately 78 employees, Carlson operates not only in Illinois but also has satellite offices in New Jersey, Virginia, and Arizona, allowing them to serve clients across the United States. The company has successfully completed projects in 32 states, showcasing its extensive reach and operational capacity. Carlson Construction caters to a wide range of clients, including public safety organizations, educational institutions, and private developers. Their portfolio includes various project types, such as multifamily housing, commercial spaces, and infrastructure projects. The firm prides itself on exceeding customer expectations through meticulous project management and a strong focus on quality and safety. They have also engaged in significant public-private partnerships, particularly in affordable housing initiatives, demonstrating their commitment to community development.


19. ONeill Contractors, Inc.

  • Website: oneillcontractors.com
  • Ownership type: Family Owned
  • Headquarters: Glenview, Illinois, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2007
  • Headcount: 11-50
  • LinkedIn: oneill-contractors-inc-

ONeill Contractors, Inc., based in Glenview, Illinois, is a family-owned general contractor founded in 2007. The company specializes in a range of construction services, including roofing, renovations, and various federal and commercial projects. With a strong emphasis on delivering high-quality, timely, and budget-conscious solutions, ONeill Contractors has built a reputation for reliability and safety. They are particularly noted for their work in the federal market, having successfully completed projects for agencies such as the GSA, USACE, and the Department of Veterans Affairs. Their commitment to sustainability is evident in their environmentally conscious practices, and they actively promote safety through rigorous training and protocols. ONeill Contractors is also recognized for its dedication to employing veterans, reflecting the founder's military background. The company has not reported any funding, indicating it operates as a self-sustaining entity.


20. Macon Construction Group, Inc.

  • Website: macongroup.com
  • Ownership type: Private
  • Headquarters: Chicago, Illinois, United States (USA)
  • Employee distribution: United States (USA) 81%, Ecuador 9%, India 9%
  • Founded year: 1995
  • Headcount: 51-200
  • LinkedIn: macon-construction

Macon Construction Group, Inc. is a Chicago-based general contractor that has been active in the construction industry since 1988. With a workforce of approximately 75 employees, the company specializes in a wide array of construction services, including pre-construction, project management, and post-construction support. Their focus is primarily on commercial construction, but they also engage in residential developments. Macon has built a reputation for delivering projects on time and within budget, emphasizing quality and attention to detail. Their portfolio includes significant projects such as multi-family residential buildings, commercial tenant improvements, and adaptive reuse projects. The company has collaborated with various well-known clients, including Amazon, Starbucks, and McDonald's, showcasing their capability to handle diverse project types. Macon Construction Group is committed to maintaining high safety standards and utilizes modern technology to enhance project management and communication.


21. BEAR Construction Company

  • Website: bearcc.com
  • Ownership type: Family Owned
  • Headquarters: Rolling Meadows, Illinois, United States (USA)
  • Employee distribution: United States (USA) 98%, Other 2%
  • Founded year: 1984
  • Headcount: 201-500
  • LinkedIn: bear-construction-company

BEAR Construction Company, based in Rolling Meadows, Illinois, has been a trusted partner in the construction industry since its inception in 1984. Specializing in general contracting and construction management, BEAR has built a reputation for delivering quality projects across multiple sectors, including healthcare, education, and retail. With a dedicated team of approximately 254 employees, the company has successfully completed over 30,000 projects, totaling more than $3 billion in work. BEAR emphasizes sustainable construction practices and has a strong focus on client satisfaction, ensuring that each project meets the highest standards. Their extensive experience and commitment to safety and quality control make them a reliable choice for clients seeking construction services.



Commercial Construction Insights: Key Companies in Illinois


CompanyHeadquarterSizeFoundedOwnership
Peak Construction CorporationRosemont, Illinois, United States (USA)51-2001997Corporate
F.H. PaschenChicago, Illinois, United States (USA)201-5001975Private
Pepper Construction GroupChicago, Illinois, United States (USA)501-10001927Corporate
McShane Construction CompanyRosemont, Illinois, United States (USA)201-5001984Corporate
Clune Construction CompanyChicago, Illinois, United States (USA)501-10001997Private
BOWA ConstructionChicago, Illinois, United States (USA)51-2002009Private
Contegra Construction Co.Edwardsville, Illinois, United States (USA)51-2002003Private
K&L (Korte & Luitjohan) ContractorsHighland, Illinois, United States (USA)51-2001958Family Owned
Poettker Construction CompanyBreese, Illinois, United States (USA)51-2001980Family Owned
Power ConstructionChicago, Illinois, United States (USA)201-5001926Private
Osman Construction CorporationArlington Heights, Illinois, United States (USA)51-2001946Private
Helios Construction ServicesChicago, Illinois, United States (USA)11-502008Private
Michuda ConstructionTinley Park, Illinois, United States (USA)201-5001919Family Owned
Krusinski Construction CompanyOak Brook, Illinois, United States (USA)51-2001973Private
Pacific ConstructionChicago, Illinois, United States (USA)11-501993Private
Leopardo ConstructionHoffman Estates, Illinois, United States (USA)201-5001977Family Owned
W. A. Randolph, INC.Gurnee, Illinois, United States (USA)51-2001957Private
Carlson ConstructionJoliet, Illinois, United States (USA)11-501990Private
ONeill Contractors, Inc.Glenview, Illinois, United States (USA)11-502007Family Owned
Macon Construction Group, Inc.Chicago, Illinois, United States (USA)51-2001995Private
BEAR Construction CompanyRolling Meadows, Illinois, United States (USA)201-5001984Family Owned


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