Financial Industry Regulatory Authority
http://www.finra.org
FINRA is the largest independent regulator for all securities firms doing business in the United States.

Securities And Exchange Commission
http://www.sec.gov/
Securities and Exchange Commission homepage.

Internal Revenue Service
http://www.irs.gov/
The official website of the U.S. Internal Revenue Service.

U.S. Department Of Labor – 401(k) Information
http://www.dol.gov/ebsa/publications/401kplans.html
Department of Labor website that provides information about 401k plan fees for employers.

PlanSponsor Magazine
http://www.plansponsor.com/
Online resource for pension and retirement issues.

The 401kWire
http://www.401kwire.com
Online resource for pension and retirement issues.

Profit Sharing Council of America
http://www.psca.org/
The Profit Sharing/401(k) Council of America (PSCA) is a nonprofit association advocating increased retirement security through profit sharing, 401(k) and related defined contribution programs.

401(k) Help Center
http://401khelpcenter.com/
Unbiased information for plan sponsors, retirement professionals, small business and plan participants.

Employee Benefits Research Institute
http://www.ebri.org/
Employee Benefit Research Institute (EBRI) is the only nonprofit, nonpartisan organization committed exclusively to data dissemination, policy research, and education on economic security and employee benefits.

U.S. Social Security Administration
http://ssa.gov/
The official website of the U.S. Social Security Administration.

BenefitsLink
http://www.benefitslink.com
BenefitsLink provides free compliance information and tools for employee benefit plan sponsors, service-providers and participants.