Here is an ongoing listing of reward programs for agents:

AIC Rewards 

ALG WAVES REWARD PROGRAM 

AMResorts – Use the IATAN number to register 

Atelier de Hoteles

Barcelo Pro

Blue Diamond 

Classic 

Couples Resorts

Karisma Resorts

Las Vegas Reward 

La Colecciòn Resorts by Fiesta Americana Travel agent Reward Program

Melia Pro

Outrigger

Palace Resorts

Palladium Hotel Group

Playa Resorts 

Pleasant Holidays

Riu Partner Club

Turtle Bay Resort North Shore of Oahu 

Universal 

Velas AKA Grand Velas 

XCARET REWARDS