an international accountancy body based in the United Kingdom
Air Courier Conference of America (now called XLA or Express Delivery & Logistics Association)
Air Conditioning Contractors of America
Acronym Association of Chartered Certified Accountants - Is one of the largest professional organization of accountants in the world, with 320,000 students and members in 160 countries. Read more about 'ACCA'...
A leading HVAC/R Association - http://www.acca.org