University Termite & Pest Control, a Tucson, Arizona-based provider of termite and pest management services to commercial and residential customers, has been acquired by PestCo, a Thompson Street Capital Partners-backed platform.

Ryan and Krista Horn sold the business, which adds Arizona coverage and commercial pest expertise to PestCo.

University serves residential and commercial customers in Arizona with termite control and broader pest management services.

The company has operated with a regional customer base in Tucson and is described as having both commercial expertise and a residential program.

PestCo is a growth-oriented national provider of pest control services for residential and commercial customers.

The add-on continues the platform’s activity in the Southwest and places University within a sponsor-backed pest services platform.

Thompson Street Capital Partners is a St. Louis-based private equity firm founded in 2000.

The firm invests in founder-owned, lower middle-market businesses across life sciences and healthcare, software and technology, and business and consumer services and products.