Unknown MOTOTRBO in Tysons Corner Area

Here are some unknown MOTOTRBO frequencies monitored in the Tysons Corner area:

463.2125 [         ] Rockwell Collins or Jewish Federation of Greater Washington (MOTOTRBO - Color Code 12, Slot 1, Group 1000)
463.5375 [         ] Suburban Hospital? (MOTOTRBO - Color Code 5, Slot 2, Group 202)
463.5875 [         ] Verisign or Norwood School (MOTOTRBO - Color Code 3, Slot 1, Group 1)
463.7750 [         ] Charles E. Smith - Reston? (MOTOTRBO - Color Code 1, Slot 1, Group 13)