About City Office Supply Founded in 1950 by Reese and Betty Phipps, City Office Supply, Inc is Houston's most experienced office products company. Now, led by 2nd and 3rd generation family members, Laura Tant, Michael McCain, and Colleen Gingrich, we credit our longevity to an excellent staff of veteran industry professionals, outstanding personal service, strong manufacturer and wholesale support, and a philosophy of being flexible and adaptable to a changing marketplace.