Obedience:
CD - Companion Dog 
CDX - Companion Dog Excellent
CDX-V - Companion Dog Excellent Veterans 
UD - Utility Dog 
UD-V - Utility Dog Veterans 
UDX - Utility Dog Excellent
UDX-V - Utility Dog Excellent Veterans 
OTCH - Obedience Trial Champion

 

Stockdog:
STDd - Started Trial Dog - Ducks 
STDs - Started Trial Dog - Sheep 
STDc - Started Trial Dog - Cattle 

OTDd - Open Trial Dog - Ducks 
OTDs - Open Trial Dog - Sheep 
OTDc - Open Trial Dog - Cattle

ATDd - Advanced Trial Dog - Ducks 
ATDs - Advanced Trial Dog - Sheep 
ATDc - Advanced Trial Dog - Cattle 

WTCH - Working Trial Champion (Earned by achieving all three ATD Titles)

RD - Ranch Dog 

RTDs - Ranch Trial Dog - Sheep 
RTDc - Ranch Trial Dog - Cattle

OFTDc - Open Farm Trial Dog - Cattle
OFTDs - Open Farm Trial Dog - Sheep/Goat 
OFTDd - Open Farm Trial Dog - Duck 
OFTDm - Open Farm Trial Dog - Mixed

AFTDc - Advanced Farm Trial Dog - Cattle
AFTDs - Advanced Farm Trial Dog - Sheep/Goat 
AFTDd - Advanced Farm Trial Dog - Duck 
AFTDm - Advanced Farm Trial Dog - Mixed

 

Agility:

RS-N - Regular Standard Novice
RS-O - Regular Standard Open
RS-E - Regular Standard Elite

RV-N - Regular Veteran Novice
RV-O - Regular Veteran Open
RV-E - Regular Veteran Elite

RJ-N - Regular Junior Novice
RJ-O - Regular Junior Open
RJ-E - Regular Junior Elite

JS-N - Jumpers Standard Novice
JS-O - Jumpers Standard Open
JS-E - Jumpers Standard Elite

JV-N - Jumpers Veteran Novice
JV-O - Jumpers Veteran Open
JV-E - Jumpers Veteran Elite

JJ-N - Jumpers Junior Novice
JJ-O - Jumpers Junior Open
JJ-E - Jumpers Junior Elite

GS-N - Gamblers Standard Novice
GS-O - Gamblers Standard Open
GS-E - Gamblers Standard Elite

GV-N - Gamblers Veteran Novice
GV-O - Gamblers Veteran Open
GV-E - Gamblers Veteran Elite

GJ-N - Gamblers Junior Novice
GJ-O - Gamblers Junior Open
GJ-E - Gamblers Junior Elite

ATCH = Agility Trial Champion

OP = Outstanding Performance 
SP = Superior Performance