The global satellite IoT subscriber base grew to surpass 3.9 million in 2021. The number of satellite IoT subscribers will increase at a compound annual growth rate (CAGR) of 40.3 percent to reach 21.2 million units in 2026, according to Berg Insight.
Iridium, Orbcomm, Inmarsat and Globalstar are the largest satellite IoT network operators today.

Iridium grew its subscriber base by 21 percent in the last year and reached the number one spot serving 1.3 million subscribers. Orbcomm had 1.1 million satellite IoT subscribers on its own and Inmarsat’s networks. Globalstar reached 0.42 million IoT subscribers.

Examples of some high-profile projects are Astrocast, AST SpaceMobile, CASC/CASIC, E-Space, Fleet Space Technologies, Hubble Network, Kepler Communications, Kineis, Ligado Networks, Lynk, Myriota, Omnispace, Skylo, Swarm Technologies (SpaceX) and Totum.