SALT LAKE CITY–(BUSINESS WIRE)–Solen Software Group announced the acquisition of Cairn Applications Inc, a provider of cloud software purpose-built for the waste hauling industry. The transaction closed in December 2025. Founded in 2008 by James Moser, Cairn Applications develops SaaS products used by waste operators across the United States and Canada. The company supports more than 350 customers, manages over 65,000 dumpsters, and facilitates nearly $150 million in annual commerce. Cairn’s