Contractors in Illinois

H & S Mechanical Inc. is a mechanical piping, structural steel, and electrical contractor with experience in commercial and industrial piping.

H&H Electric Co. is an electrical specialty contractor performing superior quality work in the Chicagoland area. They provide municipalities, schools, engineering firms, and other agencies and owners with extraordinary service and a quality of work that surpasses their expectations. They specialize in Green Energy, higher efficiency, and alternative power sources.

A commercial construction company specializing in excavating, landscaping, and related services.

An innovative firm merging best practices with new technologies for sustainable engineering solutions in transportation, infrastructure, bridges, and buildings. Our mission is to redefine engineering, crafting innovative solutions that merge creativity, expertise, and aesthetics to enrich communities.

HC & Associates LLC provides professional Environmental, GIS, and CAD Services. The mission is to provide superior deliverables with a straightforward and personal approach, focused on environmental permitting consulting services, geographic analysis, visualization tools, and CAD solutions.

H.J. Eppel & Co., Inc. is a heavy/civil construction contractor that has been family owned and operated since 1919. They offer a wide range of services including mass excavating & grading, storm and sanitary sewer, water main, concrete and asphalt.

Focus on safety, service, and value, providing logistics solutions for various industries including manufacturing, healthcare, construction, and retail.

Holgersson Contracting Corporation is a certified Service-Disabled Veteran-Owned (SDVOSB) site contractor dedicated to providing value-added services through high-quality workmanship.

HVAC Fittings is a local 265 union sheet metal shop committed to providing the best service, quality products, and fair market pricing. They specialize in ductwork fabrication in various materials and gauges.

Haeger Engineering is a civil engineering and land surveying firm providing professional consulting services in the Chicagoland area and beyond since 1969. They specialize in providing solutions to private land development and public municipal clients with a focus on customer service and constructible, cost-effective designs.

Electrical contracting firm based in Bristol.

Harbour Contractors provides exceptional design-build and construction management services for all building types in various markets. They strive to provide exceptional construction management and design-build services for their clients.

Hasse Construction is an award winning construction company specializing in Commercial, Healthcare, Industrial, Municipal, Transportation and Underground Utilities, serving the Midwest for the last 100 years.

HBM Express is a family-owned trucking company that focuses on creating a safe and efficient work environment, providing high-quality transportation and logistics services with emphasis on integrity, efficiency, and maintaining long-term relationships.

Heat & Power Services (HPS) specializes in commissioning, maintenance, and service of Renewable Natural Gas equipment, especially compressors. They focus on optimizing industrial operations by maximizing uptime and availability of equipment.

Hein Construction Co, Inc. is a commercial and industrial contracting firm providing a variety of value-added services to Central Illinois clients. They are a general contractor and subcontractor self-performing carpentry, building and site concrete, site excavation and site utilities, metal wall panels, metal buildings, and pole barns.

Helix Engineering LLC innovates solutions in engineering, design and surveying for public utilities, commercial construction and real estate law firms throughout Illinois and the Midwest. They also support large engineering firms as specialized collaborative partners.

Heneghan Associates (HA) has a leadership team that balances youth and experience, focuses on relationships and teamwork to provide practical design solutions, and excels at funding ingenuity.

Herron Construction Company is a general contracting firm that specializes in commercial, industrial, and municipal construction. They offer services such as preconstruction, general contracting, construction management, general construction, and design-build. Their Self Perform Division provides light & heavy gauge framing, and isolated concrete foundations and pads for industrial machines.

Veteran-owned specialists in underground fiber installations, providing services like Horizontal Directional Drilling, Cable Plowing, Fiber Blowing/Jetting, and Hydro Excavation.

Highlights Chicago is a full-service, family-owned electrical contractor serving the Chicagoland area for over 11 years. They focus on quality workmanship, delivering projects on time and within budget.

Hoerr Construction, Inc. specializes in the trenchless rehabilitation of pipelines and structures of all types including municipal wastewater, stormwater, and potable water.