Fed:
FFG
FFL+ in a pinch
DDG+ (all other Fed DD's are worthless)
NCL
CLC
HDWC1
CC+/CA+/CB
BCF
DNL
DNH
Hydran:
CRU
SAR
CNT
BAR
LB
CHC
OV
PAH
Other races I'm less versed, but my favorites are:
Z-DF,MCC,CCH, BCH
G-MCC, CS, BF, BCH
L-CWLP, BCF, BCHP
K-F5L, D5C/L, D7L/W, C7
I-CLY, CMP/Z, CAY, CCY, CCZ
R-SPA, FHA, KCR...