[a_bonobo]

https://www.envirodna.com/

https://www.naturemetrics.com/species-detection

https://www.ednacollab.org/industry/

https://wilderlab.co/

These companies focus on environmental DNA - some are more on the level of local government monitoring, some are for private customers.

[culi]

Isn't this one of the primary techniques with which covid levels are being monitored?

[a_bonobo]

They are pretty much the same, yes! Those eDNA providers usually use a wider range of primers (12S, 16S, COI etc.) to capture a range of invertebrates, vertebrates, plants etc. For Covid, since it's only that one virus, you can target only the one gene so it's a bit easier.