- Martin Punchak, Project Manager; Oldcastle SW Group, Inc.
“Excellent craftsmanship – workers really take pride in their work.”
- Franchesca Mallonee, CDOT Region 5 Water Pollution Control Manager
“CDOT Region 5 is very pleased with the professionalism and dedication exhibited by Horizon Environmental Services.”
- Don Lindsey, Senior Environmental Specialist; Chevron U.S.A. Inc.
“Horizon has done excellent work for our very large operation and I recommend them highly”
- Stacy Silvas, Project Manager; Concrete Works of Colorado
“Everything on the job looks good and I wish I could take you guys back to Denver with me!! We could use more contractors like you :)”