SiteImprove provides services and solutions to a wide range of clients within the public and private sector in the UK and USA. Selected US customers:

West

• Canyon County, Idaho
• City of Fontana, California
• City of Longview, Washington
• City of Manhattan Beach, California
• City of Medford, Oregon
• City of Ontario, California
• City of Palo Alto, California
• City of Rocklin, California
• City of Vallejo, California
• City of Victorville, California
• City of West Valley, Utah
• Kittitas County, Washington
• Klickitat County, Washington
• Nevada System of Higher Education, Desert Research Institute
• Pierce County, Washington
• Snohomish County, Washington
• Spokane County, Washington
• Spun.com
• State of Washington, Department of Community, Trade & Economic Development
• State of Washington, Department of Information Services
• ZipProof, Inc.

Midwest

• City of Ann Arbor, Michigan
• City of Blaine, Minnesota
• City of Findlay, Ohio
• City of Grand Rapids, Minnesota
• City of Granite City, Illinois 
• City of Livonia, Michigan
• City of St. Joseph, Missouri
• City of St. Louis Park, Minnesota
• Douglas County, Nebraska
• Hillsdale County, Michigan
• Itasca County, Minnesota
• Jefferson County, Wisconsin
• Missouri Department of Transportation
• Rock County, Wisconsin
• Scott County, Iowa
• State of Iowa, Department of Administrative Services
• State of Minnesota

Northeast

• Boston Public Library
• City of Stamford, Connecticut
• Mid-Hudson Library System
• Minitab Inc.
• New York Public Library
• New York State Archives
• Ossining Public Library
• Queens Borough Public Library
• Stamford Public Schools
• Steele Memorial Library
• Town of Needham, Massachusetts
• West Hartford Public Library

South

• Arlington County, Virginia
• Carolina Center for Hospice and End of Life Care
• City of Allen, Texas
• City of Arlington, Virginia
• City of Charlottesville, Virginia
• City of Georgetown, Texas
• City of Harlingen, Texas
• City of Lewisville, Texas
• City of Odessa, Texas
• City of Pflugerville, Texas
• City of Sugar Land, Texas
• County of Union, North Carolina
• Medical University of South Carolina
• PCTEL, Inc
• Prince George's County, Maryland 
• State of Georgia, Georgia Technology Authority

Nation Wide

• Environmental Protection Agency