The Glendale, California-based company is joining a host of high-profile startups looking to go public as strengthening bets of a soft-landing for the U.S. economy improve investor sentiment. Sweden's buy now, pay later platform Klarna and Genesys, an AI-driven developer of call center software, are also among the major tech firms that are moving toward a U.S. listing. Founded in 2012 by Ara Mahdessian and Vahe Kuzoyan, ServiceTitan has emerged as a prominent player in a niche market, making software used by businesses that are run by technicians serving the HVAC (heating, ventilation and air-conditioning) sector.