Business Details
50+ Years
experience
Trusted Heavy Civil Construction Services Nationwide
HEI Civil has been a leader in heavy civil construction since 1973, specializing in transportation, social infrastructure, and water projects across Colorado, the Carolinas, and Texas. Our commitment to quality and safety is reflected in our self-performed building profile, which enables us to tackle complex projects under extreme conditions while adhering to tight timelines. With over 50 years of experience in Colorado and strategic acquisitions in Texas and North Carolina, we deliver turnkey solutions for large-scale infrastructure developments. Our critical success factorspeople, safety, production, equipment care, client service, and qualityguide every project we undertake. We prioritize safety above all, ensuring a secure work environment for our team, partners, and the public.Our investment in modern equipment and rigorous maintenance standards reflect our professionalism and dedication to excellence. We serve as a trusted partner for developers, municipalities, and transportation entities, consistently delivering projects on time and within budget. Our teams expertise spans earthwork, utility installation, dam construction, and site development for master-planned communities. By fostering trusted relationships with clients and subcontractors, we maintain our reputation as a premier civil construction firm. Our values of growth, integrity, and teamwork drive continuous improvement and long-term success.
Services
Transportation Infrastructure
Water Treatment Plants
Site Development
Underground Utilities
Bridge Construction
Dam Rehabilitation
Road & Highway Projects
Stormwater Management
Commercial Site Development
Municipal Infrastructure
Details
- Year established: 1973
Highlights and features
- We have over 50 years of experience in heavy civil construction across multiple states.
- Our self-performed building profile ensures control over quality and timelines.
- We maintain an unlimited project size qualification with the Colorado Department of Transportation.
- Our team holds specialized expertise in high-hazard dam construction and complex site development.
- We invest in modern equipment and rigorous safety protocols for every project.
Services
Transportation Infrastructure
HEI Civil delivers comprehensive transportation infrastructure solutions including highways, bridges, and aviation projects. Our expertise spans earthwork, utility installation, and paving for state and federal agencies. We maintain an unlimited qualification with the Colorado Department of Transportation, ensuring capability for projects of all scales.
Water Treatment Plants
We specialize in constructing water treatment facilities, wastewater systems, and stormwater management solutions. Our team handles underground utilities including water lines, sewer systems, and fire protection infrastructure across Texas and Colorado.
Site Development
From land clearing to final paving, HEI Civil provides full-cycle site development for residential, commercial, and municipal projects. Services include grading, erosion control, and utility integration to prepare sites for vertical construction in master-planned communities.
Bridge Construction
Our dedicated bridge division constructs and rehabilitates critical transportation infrastructure. We employ specialized techniques for high-tolerance work on bridges, ensuring durability and compliance with federal safety standards across multiple states.
Dam Rehabilitation
HEI Civil has completed high-hazard dam projects requiring advanced engineering solutions. Our experience includes structural concrete work and water control systems for municipal and federal clients, emphasizing safety and environmental stewardship.
People
Leo Denslow
CEO
Leo Denslow, appointed CEO in 2023, leads HEI Civil with a focus on strategic growth and operational excellence. With decades of industry experience, he drives innovation while maintaining the companys core values of safety, integrity, and client service.
Questions
What regions does HEI Civil operate in?
HEI Civil operates in Colorado, the Carolinas, and Texas, delivering infrastructure projects across these regions.
What types of projects does HEI Civil specialize in?
We specialize in transportation infrastructure, water treatment facilities, dam construction, site development, and municipal projects.
How long has HEI Civil been in business?
HEI Civil has been serving clients since its founding in 1973 in Colorado.
Does HEI Civil handle both public and private sector projects?
Yes, we work with municipalities, developers, and private clients on a wide range of infrastructure developments.
What safety standards does HEI Civil follow?
Safety is our top priority, with strict protocols and training programs to protect workers and the public.
Can HEI Civil handle complex, large-scale projects?
Our expertise in self-performed construction allows us to manage complex projects under extreme conditions efficiently.
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