Pelion is a telecommunications company based in the United States, founded in 2019, with a workforce ranging from 51 to 200 employees. The company operates primarily in the Internet Service Providers and Wireless Communications sectors, offering a range of services related to corporate services and internet hosting. Pelion's published documents indicate a focus on innovative connectivity solutions, particularly in the realm of eSIM technology. Their eBook, "An Introduction to eSIM," explains the evolution from traditional SIM cards to eSIMs, highlighting the benefits of over-the-air profile delivery and the enhanced security mechanisms established by the Global System for Mobile Communications Association (GSMA). This document also addresses the technical distinctions between various SIM formats and their roles in network identity and authentication. Additionally, Pelion provides guidance on flexible connectivity options, as evidenced by their guide document. Overall, Pelion's expertise appears to center on advancing connectivity solutions and enhancing user experiences within the telecommunications landscape.