Just Energy Texas I Corp has renewed and expanded its tenant space at 9400 North Central Expressway. 9400 North Central Expressway is a 392,457 square foot, 16-story Class A office tower that sits on more than five acres in one of the most desirable areas of Dallas. The building offers excellent accessibility and visibility along the east side of Central Expressway, between Park Lane and Walnut Hill Lane and is in close proximity to Dart stations.