Agencies by clue #2

1) Oversees US highways and transportation systems

2) Provides benefits and care to US veterans

3) Oversees US education system

4) Oversees environmental actions and protections

5) Administers public housing and urban development laws

6) Oversees US mint, finance, and currency circulation

7) Oversees public health of nuclear safety and reactor regulations

8) Preservation of documents and historical/governmental records

9) Provides support to smaller businesses and entrepreneurs

10) Oversees US federal elections and campaign laws

11) Oversees public health and human service education

12) Enforces civil rights laws and protection against workplace discrimination

13) Regulates radio, TV, internet, cable and satellite communications

14) Oversees US maritime transportation and ocean commerce

15) Oversees mental health and substance abuse prevention and regulation via the HHS

17) Administers and oversees military forces and national defense

18) Manages federal correctional institutes via the dept of justice

19) Oversees prevention of diseases

20) Administers protection of the arts and artifacts of Washington DC

21) Oversees all air travel

22) Regulates interstate transmission of energy, oil, natural gas, etc

23) Oversees all science and geographical mapping systems

24) Oversees/prevents fires and fire emergencies via FEMA

25) Administers requirements for males aged 18 to sign up for defense in case of national emergencies

26) Thru the DOE, it supplies grants and financial assistance to college students

27) Provides credit unions to banks and insurance along with the FDIC

28) Manages relations with Native Americans and tribal boundaries

29) Protects and maintains US public lands and forests

30) Administers all patents and trademarks