Government Frequencies
Includes Army Corps of Engineers, ATF, Bureau of Prisons, Coast Guard, Customs Service, DEA, DOE, DOJ, Department of Treasury, FAA, FBI, GSA, IRS, Postal Service, Secret Service, VA and more! Also includes HF frequencies for some agencies.
National Park Service Frequencies
Includes National Parks, National Battlefields, National Military Parks, National Memorials, National Historical Sites, National Monuments, National Preserves, Seashores, Parkways, Rivers, and Lakes -- Another excellent list from Adam Brock!
Space Shuttle/MIR EVA Frequencies
Frequencies used by the Space Shuttle and MIR space station for Extra Vehicular Activity (EVA). All voice is in AM Mode.