Lifeline Competitors

ADT is the most trusted name in smart home security, helping protect and connect what matters most at home and beyond. When Every Second Counts, Count on ADT 💙.

Founded in 2006, GreatCall offers a virtual telecommunications network that provides healthtech products and services for elderly consumers throughout the United States. Products include and services include Jitterbug Flip and Jitterbug Smart, the Lively Mobile medical alert device, Lively Wearable, Healthsense, Dashboard, and HealthNotes, plus health, safety, and medical apps. The company is headquartered in San Diego, California.

Medical Guardian is a leader in connected care, revolutionizing how older adults age in place through innovative medical alert systems. For 20 years, we’ve been saving lives and empowering our members to live a Life Without Limits. Whether they’re looking for an in-home system, mobile device, or wearable medical alert smartwatch, Medical Guardian has the product that will fit their lifestyle and needs. Founded in 2005, Medical Guardian has grown exponentially to become a leading provider of personal emergency response systems. In 2025, Medical Guardian was ranked in the Inc. 5000 Fastest-Growing Private Companies in America list for the 13th consecutive year. It was also awarded Top Medical Alert System in 2025 by Forbes Health. Our success comes from our dedication to providing best-in-class service because we know that we are doing more than selling medical alert devices; we’re helping older adults nationwide take the next chapter of their life—head-on. To learn about the available career opportunities with Medical Guardian, please visit: https://medicalguardian.com/careers