Colorado’s booming economy, rapid population growth, and expanding technology, healthcare, and industrial sectors continue to fuel demand for experienced general contractors in Colorado. From high-rise developments in Denver to advanced manufacturing facilities in Colorado Springs and mixed-use communities in Fort Collins, leading construction companies deliver projects that shape the state’s built environment. These firms combine engineering expertise, innovative construction methods, and strong project management to complete complex projects safely, efficiently, and on schedule.
Top 20 General Contractors in Colorado
1. Hensel Phelps
Founded in Greeley in 1937, Hensel Phelps has grown into one of the largest employee-owned construction companies in the United States while maintaining deep roots in Colorado.
The company serves Denver, Colorado Springs, Boulder, Fort Collins, Aurora, and communities throughout the state. Its services include general contracting, construction management, design-build, and facility services.
Hensel Phelps has completed numerous Colorado projects, including developments at Denver International Airport, the National Renewable Energy Laboratory (NREL), university facilities, healthcare buildings, federal installations, and commercial office campuses.
The company specializes in aviation, healthcare, mission-critical facilities, higher education, transportation, and government construction. It also utilizes Building Information Modeling (BIM), Lean Construction principles, and virtual design coordination to improve project efficiency.
Its decades of experience make Hensel Phelps one of the best general contractors in Colorado.
2. GH Phipps Construction Companies
GH Phipps Construction Companies has served Colorado since 1952 and remains one of the state’s most respected commercial contractors.
Headquartered in Greenwood Village, the company serves Denver, Boulder, Colorado Springs, Fort Collins, and surrounding communities.
Its Colorado portfolio includes schools, hospitals, university buildings, laboratories, civic facilities, affordable housing developments, and commercial offices.
GH Phipps provides construction management, preconstruction services, design-build delivery, and sustainable construction solutions.
The company has earned recognition for delivering technically complex projects while maintaining strong safety performance and long-term client relationships.
3. Saunders Construction
Saunders Construction is one of Colorado’s largest locally owned construction firms.
The company serves public agencies, private developers, healthcare providers, educational institutions, and commercial property owners throughout Colorado.
Its completed projects include the Colorado Convention Center expansion, Denver Health facilities, educational campuses, office towers, recreation centers, and mixed-use developments.
Saunders specializes in commercial buildings, healthcare facilities, civic infrastructure, hospitality, aviation, and multifamily housing.
Its collaborative project delivery approach helps reduce construction risks while improving schedule certainty and budget control.
4. Adolfson & Peterson Construction
Adolfson & Peterson Construction, commonly known as AP, maintains a significant presence throughout Colorado.
The company serves Denver, Fort Collins, Colorado Springs, Pueblo, and mountain communities with comprehensive construction services.
Its Colorado projects include K-12 schools, university facilities, healthcare buildings, affordable housing developments, recreation centers, and municipal buildings.
AP emphasizes integrated project delivery, sustainable construction practices, and advanced project planning to improve building performance and lifecycle value.
The firm’s expertise has made it one of the leading construction firms in Colorado.
5. JE Dunn Construction
JE Dunn Construction has expanded its Colorado operations into one of the state’s leading commercial construction organizations.
The company serves Denver, Boulder, Colorado Springs, and surrounding metropolitan areas.
Its Colorado portfolio includes hospitals, research laboratories, sports facilities, office towers, mixed-use developments, and higher education projects.
JE Dunn provides general contracting, design-build, virtual construction, and construction management services.
Its use of digital project controls, prefabrication, and integrated scheduling allows owners to minimize delays and improve project coordination.
6. Haselden Construction
Founded in Colorado in 1973, Haselden Construction remains one of the state’s most recognized employee-owned contractors.
The company serves Denver, Fort Collins, Colorado Springs, Boulder, and mountain resort communities.
Haselden has completed healthcare facilities, municipal buildings, schools, airports, multifamily housing developments, office buildings, and hospitality projects throughout Colorado.
The company specializes in construction management, preconstruction planning, integrated project delivery, and sustainable building practices.
Its strong local presence and decades of experience continue to strengthen Colorado’s commercial construction market.
7. Mortenson
Mortenson has completed numerous landmark developments across Colorado in healthcare, sports, renewable energy, and commercial construction.
The company serves Denver, Aurora, Colorado Springs, Boulder, and surrounding communities.
Its Colorado projects include hospitals, sports venues, renewable energy facilities, corporate campuses, and advanced manufacturing buildings.
Mortenson combines Lean Construction, digital coordination, prefabrication, and advanced scheduling techniques to improve efficiency on complex projects.
The contractor remains a leading choice for owners seeking experienced commercial contractors in Colorado.
8. The Weitz Company
The Weitz Company delivers commercial construction services throughout Colorado with expertise spanning healthcare, education, senior living, hospitality, and office developments.
Its Colorado operations serve both Front Range cities and rapidly growing suburban markets.
Completed projects include multifamily communities, retirement facilities, educational campuses, healthcare buildings, and commercial developments.
Weitz emphasizes collaborative planning, early contractor involvement, and innovative construction technologies that improve project outcomes.
9. PCL Construction
PCL Construction is one of North America’s largest construction organizations and maintains an extensive presence throughout Colorado.
The company serves Denver, Fort Collins, Boulder, Colorado Springs, and surrounding communities.
Its Colorado projects include water treatment facilities, airports, healthcare campuses, educational institutions, commercial buildings, and industrial developments.
PCL offers construction management, design-build, integrated project delivery, and virtual construction services.
Its ability to deliver technically demanding infrastructure and commercial projects has earned the company a strong reputation among top construction companies in Colorado.
10. Brinkman Construction
Based in Fort Collins, Brinkman Construction has become a major builder throughout Colorado.
The company serves developers, municipalities, educational institutions, and private businesses across Northern Colorado and the Denver metropolitan area.
Its completed Colorado projects include apartment communities, office developments, hotels, student housing, retail centers, and mixed-use developments.
Brinkman specializes in commercial construction, multifamily housing, hospitality, and urban redevelopment projects.
The company combines local expertise with modern construction management practices to deliver high-quality projects that support Colorado’s continued economic growth.
11. The Beck Group
The Beck Group provides integrated architecture, engineering, and construction services throughout Colorado. Its design-build approach allows owners to streamline project delivery while improving collaboration between designers and construction teams.
The company serves Denver, Boulder, Colorado Springs, and other Front Range communities. Its Colorado portfolio includes corporate headquarters, healthcare facilities, higher education buildings, multifamily developments, and mixed-use projects.
Beck emphasizes prefabrication, virtual design and construction (VDC), and Building Information Modeling (BIM) to improve coordination, reduce rework, and maintain predictable schedules. The firm’s integrated delivery model has made it a trusted partner for technically complex commercial developments.
12. McCarthy Building Companies
McCarthy Building Companies is one of the nation’s oldest commercial contractors and has expanded its presence across Colorado through healthcare, education, renewable energy, and industrial construction.
The company serves Denver, Aurora, Colorado Springs, Fort Collins, and surrounding communities.
Its Colorado projects include hospitals, university research facilities, renewable energy developments, manufacturing plants, and water infrastructure improvements.
McCarthy specializes in construction management at risk (CMAR), design-build, self-perform concrete, and sustainable construction practices. Its technical expertise allows the company to manage projects requiring sophisticated building systems and strict quality standards.
13. Swinerton
Swinerton has established a strong reputation in Colorado for delivering innovative commercial and institutional construction projects.
The company serves Denver, Boulder, Fort Collins, and other rapidly growing markets across the state.
Its Colorado portfolio includes office towers, multifamily housing, life science facilities, healthcare buildings, and mixed-use developments.
Swinerton incorporates Lean Construction, digital project controls, and modular construction techniques to improve efficiency while maintaining high standards for safety and workmanship.
14. Kraemer North America
Kraemer North America is recognized for its expertise in heavy civil construction and transportation infrastructure.
The company supports projects throughout Colorado involving highways, bridges, interchanges, and transportation improvements.
Its work includes bridge replacements, interstate reconstruction, roadway widening, and complex infrastructure upgrades that improve mobility across the state.
Kraemer’s experience with large public infrastructure projects has established it among the leading building contractors in Colorado for heavy civil construction.
15. Ames Construction
Ames Construction has completed numerous infrastructure and heavy construction projects throughout Colorado.
The company serves transportation agencies, municipalities, utility providers, and private developers.
Its Colorado projects include highways, water treatment facilities, dams, mining infrastructure, utility systems, and renewable energy developments.
Ames specializes in earthmoving, excavation, underground utilities, concrete structures, and large-scale civil engineering projects. Its expertise supports many of Colorado’s critical infrastructure investments.
16. Colorado Structures Inc.
Colorado Structures Inc. is a locally owned contractor specializing in commercial construction throughout the Front Range.
The company serves Denver, Boulder, Longmont, Fort Collins, and neighboring communities.
Its portfolio includes office buildings, schools, churches, retail centers, healthcare facilities, and municipal buildings.
Colorado Structures provides general contracting, construction management, design-build services, and renovation expertise. The company has earned a reputation for delivering quality workmanship while maintaining strong relationships with local clients and design professionals.
17. Pinkard Construction
Founded in Lakewood, Pinkard Construction has become one of Colorado’s leading commercial contractors.
The company serves public agencies, educational institutions, healthcare organizations, and private developers throughout Colorado.
Its completed projects include recreation centers, schools, affordable housing developments, office buildings, civic facilities, and public safety buildings.
Pinkard focuses on collaborative project delivery, value engineering, and sustainable construction methods that improve long-term building performance while controlling project costs.
18. FCI Constructors
FCI Constructors is a Colorado-based construction company with extensive experience in commercial and institutional building projects.
The company serves clients across Denver, Colorado Springs, Fort Collins, Grand Junction, and mountain communities.
Its Colorado portfolio includes schools, hospitals, correctional facilities, municipal buildings, office developments, and hospitality projects.
FCI offers preconstruction services, construction management, design-build delivery, and general contracting. Its emphasis on quality control and detailed planning has made it one of the respected construction firms in Colorado.
19. GE Johnson Construction Company
GE Johnson Construction Company has served Colorado for decades through commercial, healthcare, higher education, hospitality, and civic construction.
Headquartered in Colorado Springs, the company operates throughout the state, including Denver, Pueblo, Fort Collins, and mountain resort communities.
Notable Colorado projects include university facilities, military buildings, hospitals, courthouse renovations, and commercial developments.
The company uses advanced scheduling software, BIM coordination, and integrated project delivery to improve efficiency on technically demanding projects while maintaining strong safety performance.
20. Hyder Construction
Hyder Construction is one of Colorado’s longest-established commercial construction companies, with a history dating back more than a century.
The company serves Denver, Boulder, Aurora, Fort Collins, and communities across the Front Range.
Its Colorado projects include schools, libraries, civic buildings, recreation centers, healthcare facilities, office buildings, and higher education campuses.
Hyder provides construction management, design-build services, and general contracting for both public and private sector clients.
Its long history, local expertise, and commitment to quality continue to make Hyder one of the best general contractors in Colorado.
Building Colorado’s Future Through Construction Excellence
Colorado’s continued economic growth has created strong demand for experienced contractors capable of delivering sophisticated commercial, residential, healthcare, industrial, and infrastructure projects. From Denver’s expanding skyline to technology campuses in Boulder, manufacturing facilities in Colorado Springs, and mixed-use developments throughout the Front Range, these companies continue to shape communities across the state.
The contractors featured in this list have demonstrated expertise in managing projects that require advanced engineering, sustainable construction practices, and modern project delivery methods. Many employ Building Information Modeling, Lean Construction principles, prefabrication, and digital project controls to improve quality, reduce costs, and enhance collaboration throughout every phase of construction.
As investment continues across healthcare, education, transportation, renewable energy, and commercial real estate, the leading general contractors in Colorado will remain essential to delivering the infrastructure and buildings that support the state’s long-term growth. Their combination of technical capability, experienced leadership, and commitment to innovation positions them among the most respected construction companies in Colorado and throughout the Rocky Mountain region.
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