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Arbor Day
The United States was one of the first countries in the world to celebrate Arbor Day, a holiday dedicated to tree planting. National Arbor Day in the USA is celebrated…
Memorial Day
OIC will be closed in observance of Memorial Day.
Hi-SET Testing
OIC 3033 N. Walnut, East Building, Oklahoma City, OK, United StatesHi-SET Testing
OIC 3033 N. Walnut, East Building, Oklahoma City, OK, United StatesHoliday closure
OIC will be closed for the 4th of July. Have a safe and happy holiday!