Headquartered in US, Kaplan is part of Graham Holdings (formerly The Washington Post Company) and is its largest subsidiary.
Kaplan ແມ່ນສ່ວນຫນຶ່ງຂອງບໍລິສັດ Graham Holdings (ກ່ອນຫນ້ານີ້ແມ່ນບໍລິສັດ Washington Post Company) ແລະເປັນບໍລິສັດຍ່ອຍທີ່ໃຫຍ່ທີ່ສຸດ.