COTHEN Net
Freqs: 5732, 7527, 8912, 10242, 11494, 13907, 15867, 18594, 20890, 23214, 25350 kHz

*note - 11494 kHz is also a USDA frequency which accounts for occasional USDA/Fedcom traffic

10-16-08 - CAMSLANT was logged using ALE in comms with an HH-60 on 20662 kHz.
12-08 - Numerous COTHEN stations logged using ALE in comms on 5250 kHz.
1-09 - COTHEN activity logged on 6709 and 12222 kHz.

DEA PANTHER Net 
Freqs (USB) - Old Net freqs: 4991.0 5912.0 6855.0 7657.0 8983.0 9306.0 9497.0 11202.0 12138.0 14350.0 15953.5 kHz

Since then they have appeared on the COTHEN net and on the freqs below
4995.0 5781.0 6721.0 7808.0 8965.0 9972.0 10683.0 11175.0 13200.0 kHz

*note - most activity on PANTHER net appears to have been discontinued.

Telecommunications & Information Systems Command (TISCOM) 
Freqs: 3053.0 4730.0 6709.0 8057.0 8859.0 8980.0 9034.0 11196.0 13221.0 15082.0 17988.0 20135.5 23072.5 kHz. 

TISCOM is used by USCG aircraft, cutters, and shore stations primarily in Districts 13 & 17.

*note - USCG cutters are also logged using ALE on 8337.6 and 10993.6 kHz

District 1 NVIS Antenna Tests
District 1 test net (USB): 2103.5 3056.0 4900.6 6742.0 7791.6 10538.6 13494.6 15088.0 17991.0 20328.6 kHz

Unnamed District 7 Cutter Net (Sporadic use)
Freqs (USB): 4900.6 6709.0 6742.0 7791.6 8337.6 8339.0 9034.0 10993.6 13221.0 kHz

A previous cutter net noted in the District 7 OPBAT area included: 
Freqs 5912.0 6750.0 7793.0 9038.4 kHz