Spok Holdings, Inc., through its subsidiary Spok, Inc., provides healthcare communication solutions across the United States, Europe, Canada, Australia, Asia, and the Middle East. Its products and services are designed to enhance workflows for clinicians and support administrative compliance, delivering clinical information to care teams when and where it matters to improve patient outcomes. The company offers messaging services, including one-way and two-way subscriptions, alphanumeric pagers with optional encryption, and ancillary services such as voicemail and equipment protection. It also provides the Spok Care Connect suite for contact centers, clinical alerting, mobile communications, and public safety notifications, along with professional services, software license updates, and product support. Formerly known as USA Mobility, Inc., it changed its name to Spok Holdings, Inc. in July 2014. Founded in 1986, the company is headquartered in Plano, Texas.