For sale is a popular LinkedIn network about career, job and HR. It is 13 groups with 70k members with the similar brand names and rules. Groups were founded in 2009 and easily can be found on LinkedIn. Few groups grow very fast according to the situation with covid and job market in the world.
Please make your best offer. Will send links in PM upon request.
I have one more agriculture related network (40+ k members). Discounts for whole buyers are available