Our Mission

We help our clients achieve their goals by providing superior environmental, Civil, and waste management solutions through a safe working environment, advanced education, and state of the art equipment for our team members.

Industry-Leading since 1959

Overley’s was established in 1959 and headquartered in Gilbert, Arizona as one of Arizona’s first hazardous waste transporters.  Over the years, we’ve been known as an industry leader dedicated to making our customers’ lives easier through superior workmanship, attention to detail, and consistent quality of service.

We’ve always been known as a trend-setter, providing our customers cradle-to-grave waste management and civil construction services.  We’re dedicated to providing exceptional environmental services with a focus on remediation, demolition, and reclamation, while maintaining superior waste management and civil construction services.

Our management team and skilled professionals bring years of experience in environmental, waste management, and civil construction. This includes, but is not limited to, demolition, soil remediationUST closures, remediation system construction, reclamation services, waste management, installation of dry and wet utilitiesbackfill, compaction, grading, and concrete work.

We pride ourselves in providing the same quality service people have come to expect from Overley’s during the last 60 years.  We continue to maintain a total commitment to operating all aspects of the firm in a safe and incident-free manner.  In 2020, we were informed of our new Experience Modifier Rating (EMR) of 0.66, putting our safety rating at the top of the industry.

One of Overley’s unique advantages is that we own and self-maintain an incredibly diverse fleet of over 500 assets including heavy equipment, transportation, excavators, loaders, backhoes, skid steers, water trucks, semi-tractors equipped to haul roll-off containers, vacuum tankers and end dump trailers. Our diverse skill-sets, combined with our fleet, enable our team to provide superior workmanship, attention to detail, and a consistent commitment to quality.

We have successfully performed numerous projects ranging in diversity that have resulted in a consistent growing list of repeat customers from the following sectors:


  • Federal, State, and local agencies/governments
  • Utility Companies
  • Private Industry/Real Estate Developers
  • Engineering/Environmental Consulting Firms
  • Petroleum Industry
  • Industrial/Manufacturing Companies
  • Mining
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