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Browse the Top 40 Engineering Companies Serving Connecticut

See what 40 engineering companies serving Connecticut, including Middletown, Glastonbury and Manchester, offer for technical design, consulting and project support. Read client feedback, explore company profiles and contact firms that match your engineering requirements.
Bethel (1)
Bloomfield (1)
Brookfield (1)
East Hartford (1)
Enfield (1)
Glastonbury (2)
Greenwich (1)
Hartford (1)
Jewett City (1)
Manchester (2)
Middletown (3)
Mystic (1)
New Canaan (1)
Newington (1)
North Haven (1)
Northford (1)
Norwich (1)
Ridgefield (1)
Rocky Hill (1)
Seymour (1)
Shelton (1)
South Windsor (1)
Southbury (1)
Stamford (2)
Stratford (1)
Wallingford (2)
Waterbury (2)
Watertown (1)
West Hartford (2)
Westport (2)
Woodbridge (1)
6 reviews
Boundaries LLC - John Faulise Pe
6 reviews
We deliver measurable results with over three decades' experience.
We deliver precise, costeffective, and environmentally sustainable land surveying, civil engineering, and planning solutions that ensure real, measurable results for every client.
Land Surveying Civil Engineering Land Use Planning
(860) 376-2006 Call Profile
1 review
Faxon Engineering
50+ Years
1 review
We offer over 75 years of specialized expertise in fluid power solutions since 1946
Faxon Engineering provides high-quality hose, hydraulic, and pneumatic components since 1946. AS9100 + ISO 9001 certified distributor offering custom fabrication, pressure testing, and inventory management services for industrial and aerospace application
Custom Hose Fabrication Hose Center On-site Application Assistance
(860) 236-4266 Call Profile
1 review
R. Scott Lewis
35 Years
1 review
We focus exclusively on sign structural engineering with 30+ years of specialized experience
Specializing in sign structural engineering since 1991, R. Scott Lewis delivers innovative solutions for Times Square signage and commercial outdoor advertising nationwide.
Structural Design Zoning Analysis Field Services
(203) 966-5156 Call Profile
1 review
GM2 Associates
38 Years
1 review
We offer 35+ years of specialized expertise in transportation infrastructure projects.
GM2 provides construction engineering, inspection, and surveying services for transportation and infrastructure projects. With 30+ years of experience, we deliver client-focused solutions across the U.S.
Transportation Construction Energy
(860) 659-1416 Call Profile
3 reviews
Aaron Associates of CT
48 Years
3 reviews
We provide long-term system support beyond project completion
Discover precision engineering services since 1978. We deliver instrumentation calibration SCADA systems and control solutions for industrial and municipal applications across New England.
Instrumentation Hardware Software
(203) 753-7152 Call Profile
1 review
Fedus Engineering
1 review
We offer 25+ years of civil engineering experience in Connecticut
Connecticut-based civil engineering firm offering site development, septic design, and coastal permitting services. 25+ years of expertise serving Middlesex County and New London County communities.
Site Development Septic System Design Subdivisions
(860) 536-7390 Call Profile
Not rated yet
Kuegler Associates
34 Years
Not rated yet
We offer over 30 years of experience in MEP engineering services
Kuegler Associates offers comprehensive MEP engineering services including fire suppression, HVAC, electrical systems, and LEED-certified green building solutions since 1992.
Fire Suppression Plumbing Design HVAC Systems
(860) 945-6955 Call Profile
Not rated yet
Underground Systems
Emergency
Not rated yet
We offer over 45 years of specialized experience in underground HV power cable systems.
Specializing in engineering services and advanced technology products for high-voltage power transmission systems. Over 45 years of expertise in underground cable solutions for electric power delivery.
High Pressure Cable Accessories Engineering Services Monitoring Systems
(203) 792-3444 Call Profile
Not rated yet
Trinkaus Engineering
28 Years
Not rated yet
We have over 27 years of experience in civil engineering and land development.
Trinkaus Engineering offers high-quality civil engineering and sustainable land development solutions with over 27 years of experience in Connecticut and beyond.
Low Impact Sustainable Development Stormwater Management Wastewater Management
(203) 264-4558 Call Profile
Not rated yet
Design Professionals
40 Years
Not rated yet
Over 5,000 completed projects across 225+ New England communities
Design Professionals offers comprehensive civil engineering, land surveying, and landscape architecture services in Connecticut, Massachusetts, and Rhode Island since 1986.
Civil Engineering Land Surveying Landscape Architecture
(860) 291-8755 Call Profile