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Are You Looking for Engineers in Illinois?

Explore 79 engineering businesses across Illinois, including Chicago, Oak Park and Des Plaines, offering design, analysis and technical consulting. Read customer reviews, check project experience and contact suitable engineering firms about estimates.
Alton (1)
Arlington Heights (1)
Belleville (1)
Bensenville (1)
Bloomington (1)
Bourbonnais (1)
Canton (1)
Cary (1)
Champaign (2)
Chicago (16)
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DeKalb (1)
Decatur (2)
Des Plaines (3)
Elgin (1)
Fairview Heights (1)
Geneva (1)
Hillsboro (1)
Hoffman Estates (1)
Itasca (1)
Jerseyville (1)
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Lake Zurich (3)
Lincolnshire (1)
Lisle (2)
Loves Park (2)
Mahomet (1)
Montgomery (1)
Morris (1)
Morton (1)
Naperville (1)
Northbrook (3)
O'Fallon (1)
Oak Park (4)
Ottawa (1)
Palos Hills (1)
Peoria (2)
Plano (1)
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Savoy (1)
Schaumburg (1)
Skokie (1)
Springfield (1)
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Urbana (1)
Warrenville (1)
Wauconda (1)
Wheaton (2)
Not rated yet
Electric Power Engineers
50+ Years
Not rated yet
We offer 50+ years of specialized expertise in power systems engineering and energy consulting.
Electric Power Engineers delivers innovative energy consulting, grid modernization, and software solutions for utilities and developers. With 50+ years of expertise, we help clients achieve sustainable energy goals through tailored engineering services.
Engineering Services Software Solutions Renewable Energy Consulting
(512) 382-6700 Call Profile
Not rated yet
CTL Group
Emergency
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We maintain a 51,000 sq. ft. state-of-the-art laboratory with advanced testing capabilities.
CTL Group provides multidisciplinary engineering solutions, materials testing, and structural analysis for clients worldwide. Our ISO-certified lab and expert team tackle complex challenges in construction, energy, and infrastructure.
Structural Engineering Concrete Testing Materials Science
(847) 965-6541 Call Profile
Not rated yet
Shen Milsom & Wilke
Not rated yet
We offer global expertise with localized execution across 15+ international markets.
Shen Milsom & Wilke provides integrated acoustics, IT, security, and medical equipment planning for global AEC projects. Trusted by clients for innovative solutions in mission-critical and commercial spaces.
Acoustics AV Multimedia Information Technology
(312) 559-4585 Call Profile
Sci Engineering
48 Years
Emergency
Not rated yet
Sci Engineering
48 Years
Emergency
Not rated yet
We offer over 45 years of experience in construction engineering
Sci Engineering offers expert construction engineering services in St. Louis, MO, specializing in geotechnical, environmental, and materials testing since 1978.
Geotechnical Services Environmental Assessments Construction Materials Testing
(618) 624-6969 Call Profile
Not rated yet
E W R Associates
Not rated yet
We deliver multidisciplinary solutions with 130+ years of technical expertise.
E W R Associates provides expert engineering, architecture, and surveying services for complex infrastructure, healthcare, and education projects nationwide. Trusted for over 100 years.
Engineering Services Architecture Commissioning
(618) 236-2000 Call Profile
Not rated yet
Engineering Studio
26 Years
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Over 20 years of combined experience in MEPFP engineering
Trusted MEP engineering services in Des Plaines, IL. Engineering Studio offers mechanical, electrical, plumbing, and fire protection solutions for commercial and residential projects.
Mechanical Engineering Electrical Engineering Plumbing Design
(847) 795-8810 Call Profile
Not rated yet
Sound Structures
13 Years
Not rated yet
We offer 30+ years of combined structural engineering expertise.
Sound Structures delivers expert structural engineering for new buildings, renovations, and complex projects in Lake Zurich, IL. Serving clients since 2013 with precision and innovation.
Structural Engineering Design Building Additions Feasibility Studies
(847) 749-0923 Call Profile
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Thomas Engineering Group
18 Years
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We have over 15 years of public sector engineering experience
Thomas Engineering Group offers reliable, sustainable engineering solutions for public sector clients in Illinois and beyond. Specializing in transportation, municipal, and environmental projects with a focus on excellence and client satisfaction.
Transportation Planning Municipal Engineering Environmental Services
(708) 533-1700 Call Profile
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Hughes Powers
30 Years
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We offer 28 years of specialized cleanroom construction expertise
Hughes Powers delivers precision cleanroom solutions for critical industries. With 28 years of experience, we provide consulting, construction management, and certification services for microelectronics, biotech, and pharmaceutical facilities across North
Cleanroom Consulting Construction Management Installation Services
(847) 795-1683 Call Profile
Not rated yet
Factorial
Emergency
Not rated yet
We offer 24/7 emergency response for on-scene accident documentation.
Factorial provides forensic engineering services including accident reconstruction, vehicle inspections, and mechanical failure analysis in Bensenville, IL. Our certified CDR system operators deliver precise crash data retrieval and expert technical insig
Accident Investigation Accident Reconstruction Failure Analysis
(630) 350-3606 Call Profile