Pritzker Group Private Capital has purchased Milestone AV Technologies.

Milestone, headquartered in Eden Prairie, Minn., designs, markets and distributes audio-visual products for consumer and commercial use under the Chief, Da-Lite and Sanus brands. Terms of the deal were not disclosed.

The company was sold by the Duchossois Group, which will retain an interest in the business. Duchossois is an Elmhurst, Ill.-based private equity firm that also owns AMX LLC, HealthCo LLC and Churchill Downs Inc.

Pritzker Group acquires and operates North America-based middle-market companies, especially those in the manufactured products, services or health care sectors. The Chicago firm is also invested in aerospace product maker AmSafe, construction material distributor Carter-Waters and cleaning product company Impact Products.