Over 140 years of combined experience in asphalt paving, concrete contractor services, earthwork, and underground utilities — delivering award-winning civil construction across Denver, Colorado Springs, and the entire Front Range.
If you have surface infrastructure needs, our uniquely nimble and flexible capabilities deliver — on time and on budget.

From new construction to mill and overlay resurfacing, ESI delivers precision asphalt paving contractor services for commercial parking lots, municipal roads, and federal highways across Colorado. Our modern paving fleet ensures consistent quality at any scale.

ESI self-performs complex earthwork, site grading, and underground utility installation with precision. Our experienced crews handle mass grading, excavation, storm drainage, water, and sewer systems — keeping your civil construction project on schedule.

Structural and flatwork concrete contractor services for commercial, municipal, and government projects across Colorado. ESI's concrete crews deliver the same precision and quality to every pour — from concrete slabs and curb & gutter to bridge decks and parking structures.
ESI is the largest heavy civil construction contractor in Colorado that self-performs asphalt paving, earthwork, underground utilities, and concrete for new construction and maintenance projects serving commercial, municipal, and government clients.
As a CDOT-certified, self-performing civil construction company, we are uniquely resourced to deliver quality service on your timeline and within your budget. For over 20 years, clients across the Front Range — from Denver and Englewood to Colorado Springs — have relied on ESI for road construction, parking lot paving, site grading, and infrastructure built to last.
Work With UsAs Colorado's largest self-performing civil contractor, we control quality end-to-end across asphalt paving, concrete, earthwork, and utilities — no subcontracting the critical work.
2024 CAPA Best In Class Award winner. Recognized by Colorado's asphalt and paving industry for excellence in construction quality and project delivery.
Proven track record as a government contractor for CDOT highway projects, FHWA federal roads, VA medical centers, and municipal clients across Colorado.
Our safety-first culture protects our heavy civil construction crews, our clients, and the Colorado communities we build in — on every road construction and paving project.
ESI's self-performing civil construction model gives us the flexibility to serve commercial developers, municipal governments, federal agencies, and land developers across Colorado — from Denver and Englewood to Colorado Springs — all with the same commitment to quality.

From retail centers and industrial parks to corporate campuses, ESI delivers high-quality asphalt paving contractor services, concrete flatwork, and earthwork for private developers and property managers across the Colorado Front Range.

ESI partners with cities, counties, and special districts across Colorado to maintain and build the public infrastructure communities depend on — from municipal road resurfacing and mill and overlay programs to stormwater drainage and ADA improvements.

As a proven government contractor for CDOT highway projects, FHWA federal roads, and VA medical centers, ESI understands the compliance, documentation, and quality standards required for heavy civil construction — and delivers every time.

ESI works alongside developers and general contractors from raw land through final asphalt paving. Our self-performing civil construction model keeps schedules tight and quality high — from mass grading and site grading through underground utility installation and road construction.
From complex CDOT highway reconstructions and road construction projects to commercial parking lot paving and concrete flatwork, our portfolio demonstrates the breadth and quality of ESI's civil construction capabilities across Colorado.






Commercial developers, federal agencies, and municipal clients across Colorado trust ESI for asphalt paving, concrete, and civil construction.
"Prompt completion. We look forward to working with you again on upcoming projects."
"This is an outstanding contractor who always completes work on time and at the highest quality of work."
"ESI did a good job during negotiations to meet with the Government to understand the scope of work. They are very professional and good to work with."
"ESI's attention to detail and clear lines of communication made this transition a very smooth one."
ESI's commitment to quality, safety, and community is recognized by Colorado's asphalt paving industry, government agencies, and civil construction organizations across the nation.
Join the largest Colorado company that self-performs heavy civil construction, asphalt paving, concrete contractor work, and underground utilities for commercial, municipal, and government clients across the Front Range.
We offer competitive wages, benefits, and a culture that values safety, excellence, and professional growth. From field crews to management, ESI is where careers are built.
Discover your potential with ESI's dynamic internship program. Gain hands-on experience in the construction industry as you work alongside our expert team. From asphalt to earthwork, utilities to concrete, you'll be involved in diverse projects that make a real impact.