There are many animal rights groups out there, but none so dominant as the Humane Society of the United States. Here's a glimpse at its membership, supporters and finances.

Members and Constituents:   11,093,835

HSUS Online Supporters:     1,230,841

Humane Society International Online Supporters:   170,096

Staff:   470

2008 Revenues:   $131,281,168

2008 Expenses:  $125,118,158

Bequests Realized and Unrealized :  $21,251,124

Online Donations:   $8,345,972

Grants Awarded to The HSUS:   $4,189,802

Assets - Cash and cash equivalents:    $50,735,952

Assets - Investments, at market value:    102,276,81

Assets - Total:    $196,658,740

Source:  2008 HSUS Annual Report

For more, click here.