Windows Media Audio 
Wildlife Management Area 
Warfighter Mission Area 
World Medical Association 
Warfighting Mission Area 
Waste Management Authority 
Walker Memorial Academy 
wall motion abnormalities 
wall motion abnormality 
Wallcovering Manufacturers Association 
Warfare Mission Area 
warm, moist air 
Waste Management Areas 
Waste minimization audit 
Waterbed Manufacturing Association 
Weather Modification Association 
Weights and Measures Agency 
Welding Manufacturers Association 
Wellington Mathematical Society 
Wentworth Military Academy 
West Mall Alternative 
West Midlands Arts 
Wilbraham & Monson Academy 
Windows Management Architecture 
Wireless Messaging Architecture 
Wisconsin Medical Assistance 
Wisconsin Military Academy 
Women Marines Association 
Winter Months' Average