Business Details
50+ Years
experience
Your Trusted Colorado Construction Partner
Since 1989, United Companies has been a cornerstone of Colorado's infrastructure development, delivering comprehensive construction services and materials for projects ranging from subdivisions to multimillion-dollar highways. Our commitment to excellence is rooted in a safety-first culture, world-class teams, and a broad portfolio of innovative products that meet stringent industry standards. With operations spanning 16 counties in Western Colorado, we combine state-of-the-art production facilities with personalized service to support both large-scale commercial projects and community-driven initiatives. Our team's expertise in mass excavation, asphalt paving, and utility installation has earned recognition from the Colorado Department of Transportation and federal agencies. As a family-owned enterprise since 1953, we prioritize sustainable practices and community partnerships, ensuring every project contributes to long-term regional growth.Our investment in modern asphalt plants, concrete batching systems, and quality control protocols guarantees materials that exceed specifications from AASHTO, ASTM, FAA, and DOT. By maintaining a fleet of over 500 pieces of equipment and a workforce trained in the latest construction methodologies, we deliver reliable solutions for public and private sector clients. Our calculators and technical support streamline project planning, while our 24/7 dispatch system ensures timely deliveries across diverse geographies. From small residential projects to complex transportation corridors, our focus remains on building relationships that endure beyond project completion. This dedication to quality, innovation, and service has solidified our position as Colorado's preferred construction partner for over three decades.
Services
Ready Mixed Concrete
Aggregates Supply
Asphalt Paving
Construction Services
Sand & Rock Products
Details
- Year established: 1953
Highlights and features
- We have over 35 years of specialized experience in Colorado infrastructure projects
- Our state-of-the-art asphalt plants meet Diamond Achievement Award standards
- We maintain 500+ pieces of modern construction equipment for reliable service
- Our materials exceed specifications from AASHTO, ASTM, FAA, and DOT
- We offer 24/7 dispatch support across 16 Western Colorado counties
Associations and certifications
- AASHTO
- ASTM
- FAA
- DOT
Services
Ready Mixed Concrete
Our state-of-the-art concrete production facilities deliver high-quality ready-mixed concrete across 16 Western Colorado counties. With red, white, and blue fleet vehicles ensuring timely deliveries, we serve both large infrastructure projects and small residential jobs. Our advanced batching systems maintain precise mix consistency while offering colored concrete options for decorative applications. Certified technicians monitor quality control from production to placement.
Asphalt Paving
We produce and install premium hot mix asphalt using computer-controlled plants that meet Diamond Achievement Award standards. Our services cover roadway construction, commercial parking lots, and municipal projects with warm mix and cold mix options. Continuous quality testing ensures compliance with federal and state transportation specifications for durability and performance.
Aggregates Supply
Our quarries produce washed sand, crushed gravel, road base, and specialty aggregates meeting AASHTO and ASTM standards. Available for pickup or delivery, these materials support construction, landscaping, and infrastructure projects. We maintain inventory across multiple Colorado locations to ensure timely access to critical construction materials.
Construction Services
We execute complex construction projects including highway reconstruction, airport improvements, and utility installations. Our capabilities span mass excavation, storm drainage, and site development for public agencies and private developers. With decades of experience on Colorado Department of Transportation projects, we deliver large-scale infrastructure solutions with proven safety protocols.
Sand & Rock Products
Our quarries supply construction and landscaping materials including screened rock, cobble, and pit run gravel. These products meet specifications for driveway stabilization, erosion control, and decorative applications. We offer bulk delivery services for residential, commercial, and municipal customers across Western Colorado.
Questions
What construction services do you offer in Colorado?
We provide full-service construction solutions including highway development, site work, utility installation, asphalt paving, and infrastructure projects across 16 Western Colorado counties.
Do you supply construction materials for residential projects?
Yes, we offer ready-mixed concrete, aggregates, and sand/rock products for both residential and commercial projects with delivery or pickup options.
Are your materials compliant with industry standards?
All our products meet or exceed specifications from AASHTO, ASTM, FAA, and DOT, with quality testing conducted by certified technicians.
How can I request a quote for my project?
Visit our website to request a quote or contact our dispatch team at 970-243-4900 for immediate assistance with project planning and material estimates.
Do you offer 24/7 construction support services?
While our main office operates Monday-Friday 8am-5pm, our dispatch team provides 24/7 support for urgent project requirements and deliveries.