International Organizations:

International Maritime Pilots' Association

International Maritime Organization

International Association of Marine Aids to Navigation and Lighthouse Authorities

Domestic Governmental Agencies:

U.S. Coast Guard

National Oceanic and Atmospheric Administration

U.S. Army Corps of Engineers

Transportation Security Administration

National Weather Service

National Transportation Safety Board

Domestic Legislative / Regulatory Information:

U.S. Senate

U.S. House of Representatives

U.S. Code / Statutes

U.S. Code of Federal Regulations

Licensing/Documentation & Navigation Information:

National Maritime Center

Transportation Worker Identification Credential

U.S. Coast Guard Navigation Center

U.S. Coast Guard Homeport