Raven Radio has roughly a 1,200-strong member base (listeners who donate money to the station).

Chaos.com continues to offer retail services through its website and by 2010 had a member base of over 350,000.

Its member base now exceeds 4,500, with members from several different countries and backgrounds.

Incahoot uses a large member base as a bargaining tool when negotiating offers with companies.

The member base is diverse, but prominently features organized blue-collar workers and public sector employees.

It has plans to launch an English version of its site in the near future to diversity its member base.

By 1997, Sverok had a member base of over 20 000.

Members have been primarily located in the United States, however, as the member base grows it is becoming increasingly international.

Over the last five years, some trades have lost up to 25 percent of member base by attrition.

The member base was divided into four teams to compete.