IRS Payroll Professionals Tax Center
IRS Small Business and Self-Employed One-Stop Resource
EFTPS Online
Social Security Administration
United States Department of Labor
IRS Home Page
Federal W4 Form
State W4 Tax Forms
American Payroll Association
Society for Human Resouce Management
Federal Trade Commission - Identity Theft
Department of Homeland Security
Let us know if there are any other web sites that are relevant to payroll professionals and we will consider posting on this page!