You must pass two qualifying exams in orthodontic assisting and infection control to become a Certified Orthodontic Assistant. As of April 2011, DANB certification for OAs was recognized in 38 states and required in four - Massachusetts, Maryland, New Jersey and Oregon.
American Standard Companies, Inc. was a global manufacturer of plumbing, heating, ventilating and air conditioning (HVAC) systems and services, bath and kitchen products and vehicle control systems.he company was formed in 1929 through the merger of the American Radiator Company and Standard Sanitary Manufacturing Company forming the American Radiator and Standard Sanitary Corporation. The group was renamed to the American Standard Corporation in 1967.
In many ways Trane is a classic American success story that grew into a global one. It began with our founder, James Trane, a Norwegian immigrant who opened his own plumbing shop in La Crosse, WI, in 1885.With the inspiration of cold Wisconsin winters, James Trane invented a new low-pressure heating system he proudly called the Trane Vapor Heating System.ome of Ingersoll Rand's other brands include Club Car golf carts, Hussmann stationary refrigeration equipment, Ingersoll Rand industrial equipment, Schlage locks and Thermo-King transport temperature-controlled equipment.