What does MARI stand for?

Marijuana Cigarette - Slang (DSUE)

Marine Camper Trailer - NCIC trailer make code

Maros Agricultural Research Institute (SAUO)

Medicare Administrative Reform Initiative - Health Care Financing Administration

Mercantile Atlantic Routing Instructions

Mexico City Air Quality Research Initiative (SAUO)

Microelectronics Applications Research Institute - Newcastle-Upon-Tyne, England

Middle America Research Institute (SAUO)

Mortgage Asset Research Institute Inc.

Motivator and Response Indicator

Marinus de Caramanico - Flourished, 1269-85 - Authority cited in pre-1607 legal work (DSA)