Equal Employment Opportunity Commission (EEOC)

Enforces Federal laws, which prohibit employment discrimination based on age, race, color, national origin, religion, sex or mental/ physical disabilities. These laws also prohibit sexual harassment and certain forms of retaliation.
1-800-669-4000
http://www.eeoc.gov/

Office of Federal Contract Compliance Programs (OFCCP)

(US Department of Labor)
Ensures all individuals have an equal opportunity for employment without regard to race, gender, color, religion, sex, national origin, disability or status as a Vietnam Era or special disabled veteran. 
http://www.dol.gov/esa/aboutesa/org/ofccp/ofcpinfo.htm

Office for Civil Rights

(US Department of Education)
Serves student populations facing discrimination and advocates promoting systemic solutions to civil rights problems.
800-421-3481
http://www.ed.gov/about/offices/list/ocr/index.html?src=mr

Social Security Administration

Benefits Information and Assistance, Social Security cards.
1-800-772-1213
http://www.ssa.gov/

Department of Veterans Affairs

Benefits Information and Assistance.
1-800-827-1000
http://www.vba.va.gov/