Founded by William Gruen, Ambulatory Monitoring, Inc. (AMI) makes FDA-registered medical devices for long-term monitoring of sleep, activity, vigilance, respiration and other physiological functions in people moving through their everyday environments. For more than 35 years, its Motionlogger actigraphs have been used in clinical and research settings, while its equipment has traveled from medical clinics and NASA missions to the ocean floor and Mount Everest. AMI is now managed by President Thomas Kazlausky, a former vice president and product manager, alongside Vice President Linda Tavolacci, who has worked with the company for nearly 30 years.
FDA Registration 2430863
Registration
FDA Clearance K854030
FDA
Quality certification
Tanzen MedicalFounded in 2016 through a collaboration between UMBC engineering researchers and Johns Hopkins sleep physicians, Tanzen Medical develops remote-monitoring technology for diagnosing and managing sleep movement disorders. Its RestEaze system combines an ankle-worn sensor, mobile app, and cloud analytics to characterize leg movements across multiple nights at home rather than relying only on a single in-lab study. Tanzen has received FDA Breakthrough Device Designation for RestEaze and has sold the system in limited quantities for sleep research.SEVERNA PARK, MD
LifeLens Technologies, IncSince 2014, LifeLens Technologies has built a human-centered technology business around making physiological monitoring more useful in demanding real-world settings. Its wearable monitoring platform serves healthcare and defense users, with testing in more than 40 U.S. military fielding events since 2021 and FDA clearance for ambulatory ECG monitoring.WARMINSTER, PA
CareWatchCareWatch develops wearable health-monitoring devices and remote-monitoring software that give physicians and care teams real-time patient data from anywhere. Its system tracks vital information such as oxygen levels, heart rate, and movement, while sending alerts and feeding data into PointClickCare to support remote care and billing workflows. Founded by Chris Berry and led by a team spanning medical practice and software development, the company focuses on helping patients who may not always be able to advocate for themselves.DUBLIN, OH
LifeSignalsLifeSignals develops single-use wearable biosensors and cloud-based monitoring systems that capture and transmit clinical-grade patient data wirelessly, helping move care beyond the hospital bedside. Its UbiqVue platform combines a patented silicon processor with wearable devices and software for near-real-time multiparameter monitoring and Holter ECG services, while also supporting OEM integration. Founded by wireless technology engineers, the company works with global semiconductor and manufacturing partners to bring scalable monitoring to hospitals, homes, and ambulatory care.NEW YORK, NY