LEESBURG, Va.--(BUSINESS WIRE)--K2M, Inc., the spinal device company developing innovative and simplified solutions for the treatment of complex spinal pathologies and procedures, today announced the expansion of its facility to include an additional 13,000 square feet of space, 2,500 of which will make up a state of the art conference/training amphitheatre. With this expansion K2M’s facilities will now total 49,000 square feet.