Stanley Consultants is an independent and member-owned company that provides engineering, environmental and construction services. The company maintains offices in more than 15 domestic and international locations. Stanley Consultants provides a variety of services, such as site assessment, waste facility design, pollution prevention planning, and landfill design, permitting and closure. It also offers spill prevention and containment, wetlands delineation and mitigation, water quality sampling and industrial wastewater services. The company provides services for various sectors, including educational facilities, health care, federal and state government, power and energy, industrial and municipal. Stanley Consultants has been operational for more than 90 years and maintains a location in Phoenix.