From the 10Q, the segments are:
Iota Networks, formerly known as M2M (e.g. Network Hosting & Application Sales)
ICS or Iota Commercial Solutions (e.g. solar services)
Iota Communications (the parent company), formerly known as Solbright (e.g. software licensing)
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Per the 2019 shareholder update released in January, "Iota Commercial Solutions will be a prime focus in 2019"
Why? Because Iota Networks still needs 1-2 years to build out their network.