| Term | Definition |
| National Aeronautics and Space Administration (NASA) | U.S. Space Programs |
| General Services Administration (GSA) | Responsible for constructing and maintaining government buildings. Supplies equipment for federal offices |
| Environmental Protection Agency (EPA) | Created and charged with forcing a host of regulation. Enforce law about the environment |
| Federal Reserve System (FED) | Central banking system of the U.S. control U.S. money supply |
| Securities and Exchange Commission | Make rules for large industries and businesses that affect the interest the public. Regulate stock trades to keep trades legal |
| Federal Communications Commission (FCC) | Regulating interstate and international communications. Broadcast, television, radio |
| Federal Trade Commission (FTC) | Protects consumers from false adds regulates trade in U.S. |
| Occupational Health and Safety Administration (OSHA) | Protects workers safety |
| Internal Revenue Service (IRS) | Operating tax code, collecting taxes |
| Food and Drug Administration (FDA) | tests food and drugs for safety , safety for food and medicine |
| United States Postal Service | Handle U.S. mail |