This article lists all 4 organizations:

Thacker Pass Lithium Mine Opposed By 4 Conservation Groups | CleanTechnica

Links to each of the 4:

Home - Western Watersheds Project

Great Basin Resource Watch | Working with communities to protect air, land and water (gbrw.org)

Basin and Range Watch

About Basin and Range Watch non-profit organization

WildLands Defense |

The above links are posted just as a quick reference to each of the 4 litigants involved in pursuing an injunction against Nevada Lithium/Lithium Americas' Thacker Pass Project.  

Hopefully, this attempt at seeking an injunction to delay and ultimately prevent Thacker Pass from becoming a successful lithium mining operation will fizzle on the vine, but it always helps to know who your adversary is when you are under attack.