The entire professional careers of ATS principals and senior staff have been devoted to developing and implementing programs that have supported a wide range of client needs for reducing energy use, petroleum fuel use, pollutant emissions and greenhouse gases. Client examples include:

• Product manufacturers and supplier industries
• Fuels and petrochemical industries
• Gas and electric utility industries
• Energy and environmental technology industries
• Vehicle and equipment fleets (onroad and non-road)
• Investment firms, financial institutions and the legal profession
• Other providers of professional services
• Institutional and non-government organizations
• Various levels of government agencies (civilian and military) in the U.S. and internationally