Find Consultants in Connecticut

True Enterprises, Inc./Winco Window Company

Connecticut • Maine • Massachusetts • New Hampshire • Rhode Island • Vermont

Commercial, Healthcare, Industrial and Energy, Infrastructure, Institutional

True Enterprises, Inc./Winco Window Company is a Consultant, Supplier that serves the Old Saybrook, CT area and specializes in Design and Engineering.

LandeX

Connecticut

Consultant, General Contractor

Commercial, Healthcare, Residential

General Construction Management

LandeX is a Consultant, General Contractor that serves the Hartford, CT area and specializes in General Construction Management.

GHD

Hartford, CT

Consultant, Engineer

Infrastructure

Civil Design and Engineering

GHD is a Consultant, Engineer that serves the Plainville, CT area and specializes in Civil Design and Engineering.

Fuss & O'Neill

Hartford, CT

Consultant, Engineer

Commercial, Healthcare, Industrial and Energy, Infrastructure, Institutional, Residential

Civil Design and Engineering, Environmental Assessment

Fuss & O'Neill is a Consultant, Engineer that serves the Hartford, CT area and specializes in Civil Design and Engineering, Environmental Assessment.

Ijpconsultantgroup Llc

Connecticut

Consultant, General Contractor

Commercial, Institutional, Residential

Project Management and Coordination, Roofing, Rough Carpentry, Siding, Windows

About IJP Consultant Group, LLC
IJP Consultant Group, LLC is a Connecticut-based general contracting, real-estate development, and construction-management firm specializing in public-sector and institutional projects. Certified as a Minority Business Enterprise (MBE) and Microbusiness with the State of Connecticut, we combine small-firm agility with big-project experience, delivering full-scope, design-build and CM-at-risk services across commercial, multi-family, and municipal markets.

What sets us apart

Compliance leaders: Proven track record navigating CHFA, CT DOH, HUD, ARPA, Davis-Bacon, and State‐funded procurement requirements—from bid packaging to certified payroll.
End-to-end solutions: In-house estimating, scheduling (Primavera P6/Gantt), cost control, and close-out documentation ensure projects stay on time and within budget.
Diverse trade network: Robust roster of pre-qualified S/MBE, WBE, and Section 3 subcontractors enables us to meet or exceed participation goals on every engagement.
Data-driven management: Leveraging Procore, BuildingConnected, and cloud-based QA/QC tools for real-time collaboration, issue tracking, and owner transparency.
Core services

General contracting & self-perform (carpentry, interior finishes, selective demo)
Construction management / owner’s representation
RFP strategy & bid administration for public agencies
Sustainable solutions: solar PV integration, high-performance envelope retrofits, LEED/ENERGY STAR compliance
Key clients & projects

Connecticut Department of Housing – multi-site affordable-housing renovations
Norwalk Housing Authority – kitchen modernization across five properties
Keystone House, Inc. – roofing & solar PV over three group homes (70 kW total)
Driven by integrity, precision, and community impact, IJP Consultant Group delivers construction excellence—from concept to close-out—while advancing opportunities for diverse businesses throughout Connecticut and beyond.

GEODesign, Inc.

Connecticut • Massachusetts • New Jersey • New York • Rhode Island • Vermont

Consultant, Engineer

Infrastructure

Design and Engineering, Earthwork

GEODesign, Inc. is a Consultant, Engineer that serves the Middlebury, CT area and specializes in Design and Engineering, Earthwork.

Connecticut Code Consultants

Connecticut • New Jersey • New York

Architect, Consultant

Commercial, Institutional, Residential

Design and Engineering

Connecticut Code Consultants is a Architect, Consultant that serves the Woodbury, CT area and specializes in Design and Engineering.

Strong Cohen, LLC

Connecticut • Massachusetts • New York • Rhode Island

Consultant, Specialty Contractor

Commercial, Healthcare, Industrial and Energy, Infrastructure, Institutional

Design and Engineering

Strong Cohen, LLC is a Consultant, Specialty Contractor that serves the New Haven, CT area and specializes in Design and Engineering.

Apex Companies

Connecticut

Consultant, Engineer

Infrastructure

Water and Wastewater Equipment

Apex Companies is a Consultant, Engineer that serves the Glastonbury, CT area and specializes in Water and Wastewater Equipment.

b &b

West Haven, CT

Consultant, General Contractor

Commercial, Infrastructure, Residential

Civil Design and Engineering

b &b is a Consultant, General Contractor that serves the New Haven, CT area and specializes in Civil Design and Engineering.

Unitech Sound & Security

Connecticut • Massachusetts • New Hampshire

Consultant, Specialty Contractor

Commercial, Healthcare, Industrial and Energy

Access Control, Audio Video Communications, Electronic Life Safety, Electronic Security, Emergency Response Systems, Healthcare Equipment, Integrated Automation Systems For Communications, Integrated Automation Systems For Electronic Safety, Integrated Automation Systems For Electronic Security, Safety Specialties, Security Detection Alarm and Monitoring

Unitech Sound & Security is a Consultant, Specialty Contractor that serves the Berlin, CT area and specializes in Access Control, Audio Video Communications, Electronic Life Safety, Electronic Security, Emergency Response Systems, Healthcare Equipment, Integrated Automation Systems For Communications, Integrated Automation Systems For Electronic Safety, Integrated Automation Systems For Electronic Security, Safety Specialties, Security Detection Alarm and Monitoring.

Indigo

Connecticut • Massachusetts • New York • Rhode Island

Consultant, Engineer

Commercial, Healthcare, Industrial and Energy, Infrastructure, Institutional, Residential

Design and Engineering

Indigo is a Consultant, Engineer that serves the Old Saybrook, CT area and specializes in Design and Engineering.

SKF Structural Engineers

Connecticut

Consultant, Engineer

Commercial, Healthcare, Institutional

Structural Design and Engineering

SKF Structural Engineers is a Consultant, Engineer that serves the Avon, CT area and specializes in Structural Design and Engineering.

All-Points Technology Corporation, P.C.

Connecticut • Maine • Massachusetts • New Hampshire • New York • Rhode Island • Vermont

Consultant, Engineer

Commercial, Industrial and Energy, Infrastructure

Civil Design and Engineering, Design and Engineering, Environmental Assessment, Structural Design and Engineering, Value Analysis Engineering

All-Points Technology Corporation, P.C. is a Consultant, Engineer that serves the Waterford, CT area and specializes in Civil Design and Engineering, Design and Engineering, Environmental Assessment, Structural Design and Engineering, Value Analysis Engineering.

Lance Dorfi LLC

Connecticut • New York

Consultant, Specialty Contractor

Commercial, Institutional, Residential

Design and Engineering

Radon testing and mitigation for residential and commercial buildings.  

Paul Griese BECxP

Connecticut • Massachusetts • New Jersey • New York • Rhode Island

Consultant, Engineer

Commercial, Healthcare, Institutional, Residential

Above Grade Vapor Retarders, Air Barriers, All Glass Entrances and Storefronts, Aluminum Framed Entrances and Storefronts, Architectural Design and Engineering, Assessments and Studies, Below Grade Gas Retarders, Below Grade Vapor Retarders, Blanket Insulation, Blown Insulation, Board Insulation, Board Product Air Barriers, Built Up Bituminous Waterproofing, Commissioning, Composite Wall Panels, Composite Windows, Curtain Wall and Glazed Assemblies, Dampproofing, Design and Engineering, Direct Applied Finish Systems, Entrances and Storefronts, Exterior Insulation and Finish Systems Eifs, Facility Shell Commissioning, Fiber Cement Siding, Flexible Flashing, Fluid Applied Membrane Air Barriers, Fluid Applied Waterproofing, Foamed In Place Insulation, General Commissioning Requirements, Glass and Glazing, Glass Fiber Reinforced Cementitious Panels, Glass Glazing, Glazed Aluminum Curtain Walls, Glazed Bronze Curtain Walls, Glazed Composite Curtain Wall, Glazed Stainless Steel Curtain Walls, Glazed Steel Curtain Walls, Glazed Timber Curtain Walls, Glazing Accessories, Glazing Surface Films, Joint Protection, Joint Sealants, Loose Fill Insulation, Manufactured Exterior Specialties, Metal Faced Panels, Metal Wall Panels, Metal Windows, Modified Bituminous Sheet Air Barriers, Plastic Glazing, Plastic Sheet Air Barriers, Plastic Windows, Polymer Based Exterior Insulation and Finish System, Polymer Modified Exterior Insulation and Finish System, Pre Cast Concrete, Pressure Resistant Entrances and Storefronts, Pressure Resistant Windows, Roof and Deck Insulation, Roof Windows, Roof Windows and Skylights, Sheet Metal Roofing, Sheet Metal Wall Cladding, Sheet Metal Waterproofing, Sheet Waterproofing, Sloped Glazing Assemblies, Special Function Glazing, Special Function Windows, Sprayed Foam Air Barrier, Sprayed Insulation, Standing Seam Sheet Metal Wall Cladding, Steel Framed Entrances and Storefronts, Steel Siding, Stone Facing, Structural Glass Curtain Walls, Structural Sealant Glazed Curtain Walls, Terra Cotta Wall Panels, Thermal Insulation, Timber Framed Entrances and Storefronts, Translucent Wall and Roof Assemblies, Vapor Retarders, Water Drainage Exterior Insulation and Finish System, Waterproofing, Weather Barriers, Window Wall Assemblies, Windows, Wood Windows, Zinc Siding

We do technical services and commissioning for exteriors: Energy Code Commissioning & Compliance Cert, Accurate u- and R-Values, Thermal Bridge Analysis, Energy Modeling & ROI, IR InfraRed imaging, Air Barrier Testing - Blower Door, Assembly-level Air and Water Testing, Enclosure Forensics - Leaks - Condensation, Passive House Compliance

S.E. Minor & Co.

Darien, CT • Greenwich, CT • Jupiter, FL • New Canaan, CT • Palm Beach, FL • Stamford, CT • Westport, CT

Consultant, Engineer

Commercial, Infrastructure, Institutional, Residential

Design and Engineering, Project Management and Coordination

S.E. Minor & Co. is a Consultant, Engineer that serves the Greenwich, CT area and specializes in Design and Engineering, Project Management and Coordination.

Engineered Concepts Inc.

Connecticut • Massachusetts • New Hampshire • Rhode Island

Consultant, Engineer

Industrial and Energy, Residential

Design and Engineering

Engineered Concepts Inc. is a Consultant, Engineer that serves the North Stonington, CT area and specializes in Design and Engineering.

Introba

Introba is a Consultant, Engineer that serves the Manchester, CT area and specializes in Communications.

KPH Fire sprinkler

Connecticut

Consultant, Specialty Contractor

Commercial, Healthcare, Industrial and Energy, Institutional, Residential

Fire Suppression

Installation, testing & inspecting, and service repair for fire sprinkler systems.  Fully licensed in Connecticut.  Present ongoing projects  $2,500 - $230,000

On Point Construction Services LLC

Connecticut

Consultant, Engineer

Commercial, Healthcare, Industrial and Energy, Infrastructure

Construction Scheduling

On Point Construction Services LLC is a Consultant, Engineer that serves the Hamden, CT area and specializes in Construction Scheduling.

Coastal Materials Testing

Connecticut

Consultant, Engineer

Infrastructure

Concrete, Design and Engineering, Earthwork, Masonry, Structural Steel

Coastal Materials Testing is a Consultant, Engineer that serves the West Haven, CT area and specializes in Concrete, Design and Engineering, Earthwork, Masonry, Structural Steel.

Crowley & Assoc

Connecticut • Maine • Massachusetts • New Hampshire • Rhode Island • Vermont

Consultant, Supplier

Commercial, Industrial and Energy, Institutional, Residential

Above Grade Vapor Retarders, Air Barriers, Aluminum Siding, Below Grade Vapor Retarders, Board Insulation, Exterior Insulation and Finish Systems Eifs, Resilient Flooring, Siding

Crowley & Assoc is a Consultant, Supplier that serves the Newington, CT area and specializes in Above Grade Vapor Retarders, Air Barriers, Aluminum Siding, Below Grade Vapor Retarders, Board Insulation, Exterior Insulation and Finish Systems Eifs, Resilient Flooring, Siding.

B2R Consulting Engineers

Connecticut • Florida • New Jersey • New York

Consultant, Engineer

Commercial, Industrial and Energy, Residential

Design and Engineering, Electrical, Fire Suppression, Heating Ventilating and Air Conditioning HVAC, Plumbing

B2R Consulting Engineers is a Consultant, Engineer that serves the Stamford, CT area and specializes in Design and Engineering, Electrical, Fire Suppression, Heating Ventilating and Air Conditioning HVAC, Plumbing.

Opticom Inc

Connecticut

Consultant, Specialty Contractor

Commercial, Healthcare, Institutional

Audio Video Communications, Cable Transportation, Integrated Automation Network Devices, Integrated Automation Network Gateways, Technology Design and Engineering, Telephone Specialties

Opticom Inc is a Consultant, Specialty Contractor that serves the Portland, CT area and specializes in Audio Video Communications, Cable Transportation, Integrated Automation Network Devices, Integrated Automation Network Gateways, Technology Design and Engineering, Telephone Specialties.

VHB

Connecticut

Consultant, Engineer

Commercial, Industrial and Energy, Infrastructure, Institutional, Residential

Civil Design and Engineering, Environmental Assessment, Surveying

VHB is a Consultant, Engineer that serves the Wethersfield, CT area and specializes in Civil Design and Engineering, Environmental Assessment, Surveying.

Vanzelm

Connecticut

Consultant, Engineer

Commercial, Industrial and Energy

Electrical

Vanzelm is a Consultant, Engineer that serves the Farmington, CT area and specializes in Electrical.

SCC

Connecticut

Consultant, Specialty Contractor

Commercial, Healthcare, Industrial and Energy, Infrastructure, Institutional

Project Management and Coordination

OPM firm that can handle CM & GC work for specialty projects

Construction Project Advisors, LLC

Connecticut

Consultant, General Contractor

Commercial, Infrastructure, Residential

Project Management and Coordination

Construction Project Advisors, LLC is a Consultant, General Contractor that serves the Willington, CT area and specializes in Project Management and Coordination.

Total Communications

Connecticut

Consultant, Supplier

Commercial, Healthcare, Infrastructure, Residential

Communications

Total Communications is a Consultant, Supplier that serves the East Hartford, CT area and specializes in Communications.

MANUFACTURE

California • Connecticut • Delaware • Florida • Georgia • Maine • Maryland • Massachusetts • New Hampshire • New Jersey • New York • North Carolina • Ohio • Pennsylvania • Rhode Island • South Carolina • Vermont • Virginia

Consultant, Supplier

Commercial, Healthcare, Industrial and Energy, Infrastructure, Institutional, Residential

Glazed Aluminum Curtain Walls, Glazed Bronze Curtain Walls, Glazed Composite Curtain Wall, Glazed Stainless Steel Curtain Walls, Glazed Steel Curtain Walls, Louvers, Metal Windows, Plastic Windows, Revolving Door Entrances and Storefronts, Sliding Entrances and Storefronts, Sliding Glass Doors, Special Function Doors, Special Function Windows, Specialty Doors and Frames, Windows

Producer of uPVC windows and doors, we also have a complete line of metal windows,  doors, curtain walls, entryways, store fronts, and much more  

Russo & Rizio, LLC

Connecticut

Consultant, Owner Real Estate Developer

Commercial, Institutional, Residential

Legal

Russo & Rizio, LLC is a Consultant, Owner Real Estate Developer that serves the Fairfield, CT area and specializes in Legal.

DNV

Connecticut • Massachusetts

Consultant, Engineer

Industrial and Energy

Design and Engineering

DNV is a Consultant, Engineer that serves the Middletown, CT area and specializes in Design and Engineering.

Towers|Golde Landscape Architects

New Haven, CT • New York, NY

Architect, Consultant

Commercial, Healthcare, Institutional

Landscaping

Towers|Golde Landscape Architects is a Architect, Consultant that serves the New Haven, CT area and specializes in Landscaping.

The Buckingham Routh Company

Connecticut

Consultant, Specialty Contractor

Commercial, Healthcare, Industrial and Energy, Infrastructure, Institutional

Combustion System Gas Piping, Heating Ventilating and Air Conditioning HVAC, Liquid Fuel Process Piping, Medical Specialty and High Purity Gases Systems, Plumbing, Plumbing General, Plumbing Utilities Distribution, Process Heating Cooling and Drying Equipment, Process Piping, Steam Process Piping, Water and Wastewater Equipment, Welding and Cutting Gases Piping

From historic steam boilers to today’s most advanced solutions, The Buckingham Routh Company knows what it takes to build mechanical systems that last. We specialize in the design, installation, and service of plumbing and HVAC systems for commercial construction projects across Connecticut. With an unwavering commitment to doing every job the right way, Buckingham Routh has earned a reputation for ensuring outstanding, long-lasting performance.

FPSolutions LLC

Connecticut

Consultant, Engineer

Commercial, Residential

Design and Engineering, Fire Suppression

FPSolutions LLC is a Consultant, Engineer that serves the West Hartford, CT area and specializes in Design and Engineering, Fire Suppression.

Fuss and O'neill

Connecticut • Massachusetts • New York • Rhode Island

Consultant, Engineer

Commercial, Healthcare, Industrial and Energy, Infrastructure, Institutional

Design and Engineering

Fuss and O'neill is a Consultant, Engineer that serves the Manchester, CT area and specializes in Design and Engineering.

BSC Group, Inc.

Amherst, MA • Barnstable, MA • Boston, MA • Bridgeport, CT • Foxboro, MA • Framingham, MA • Hartford, CT • New Haven, CT • New London, CT • Orleans, MA • Springfield, MA • Stamford, CT • Worcester, MA • Yarmouth, MA

Consultant, Engineer

Commercial, Industrial and Energy, Infrastructure, Institutional, Residential

Design and Engineering

BSC uses design, engineering, science, and technology to build, support, and connect.

At BSC, we partner with our clients to deliver creative and practical transportation, land development, and environmental solutions. Clients trust BSC to work with them to expertly guide siting, strategically navigate regulatory processes, and holistically design infrastructure to help achieve their vision.

BSC’s engineers, planners, and scientists take pride in their ability to respond nimbly to move projects forward. We solve complex challenges by applying expertise across disciplines, sharing ideas and perspectives to see a project from every side.

The purpose of our work is to improve the quality of life in and around our communities using our skills and experience to promote balance between the built and natural environment. Proudly employee owned, our people are the heart of our company.

BSC has served clients throughout New England since 1965. Our ongoing commitment to build our firm, support our clients, and connect with our communities, resulted in our listing as an ENR Top Design Firm.

CHA

Connecticut • Massachusetts • Rhode Island

Architect, Consultant, Engineer

Commercial, Healthcare, Industrial and Energy, Infrastructure, Institutional, Residential

Design and Engineering

CHA is a Architect, Consultant, Engineer that serves the Rocky Hill, CT area and specializes in Design and Engineering.

Alternative Option Design

Connecticut • Delaware • New Jersey • New York • Pennsylvania

Architect, Consultant, Specialty Contractor

Commercial

Signage

Alternative Option Design is a Architect, Consultant, Specialty Contractor that serves the Branford, CT area and specializes in Signage.

Consultants in Connecticut

967 Results

True Enterprises, Inc./Winco Window Company

LandeX

GHD

Fuss & O'Neill

Ijpconsultantgroup Llc

GEODesign, Inc.

Connecticut Code Consultants

Strong Cohen, LLC

Apex Companies

b &b

Unitech Sound & Security

Indigo

SKF Structural Engineers

All-Points Technology Corporation, P.C.

Lance Dorfi LLC

Paul Griese BECxP

S.E. Minor & Co.

Engineered Concepts Inc.

Introba

KPH Fire sprinkler

On Point Construction Services LLC

Coastal Materials Testing

Crowley & Assoc

B2R Consulting Engineers

Opticom Inc

VHB

Vanzelm

SCC

Construction Project Advisors, LLC

Total Communications

MANUFACTURE

Russo & Rizio, LLC

DNV

Towers|Golde Landscape Architects

The Buckingham Routh Company

FPSolutions LLC

Fuss and O'neill

BSC Group, Inc.

CHA

Alternative Option Design

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