Unseenlabs earlier this month - note single sat launch.
https://itone.lu/news/unseenlabs-entrusts-the-launch-of-its-satellite-to-the-european-arianespace-after-the-american-rocket-lab
Another potential application
https://thediplomat.com/2021/08/could-satellite-sensors-solve-the-havana-syndrome-mystery/
Wiki draft
https://en.wikipedia.org/wiki/Draft:Kleos_Space
December Polar Patrol launch - https://en.wikipedia.org/wiki/List_of_spaceflight_launches_in_July%E2%80%93December_2021