Constellation Software Inc. is a Canada-based company, which provides enterprise software solutions. The Company acquires, manages and builds vertical market software (VMS) businesses. The Company operates through two segments: public sector and private sector. The public sector segment includes businesses focused on government and government-related customers. Its public sector segment includes Volaris Operating Group, Harris Operating Group and Total Specific Solutions Operating Group. The private sector segment includes businesses focused on commercial customers. Its private sector segment includes Jonas Operating Group, Perseus Operating Group and Vela Operating Group. The Company offers services to various markets, including communications, credit unions, drink distribution, higher education, tour operators, auto clubs, textiles and apparel, mining, hospitality, notaries, fashion retail, school and special library, event management, home and community care, and long-term care.