EXHIBIT 4.1 POST-MERGER STOCKHOLDERS AGREEMENT THIS POST-MERGER STOCKHOLDERS AGREEMENT (this "Stockholders Agreement"), dated as of April 23, 1998, is made and entered into by and among Specialty Teleconstructors, Inc., a Nevada corporation (the...Post-Merger Stockholders Agreement • May 8th, 1998 • Specialty Teleconstructors Inc • Water, sewer, pipeline, comm & power line construction • Texas
Exhibit 99(b) POST-MERGER STOCKHOLDERS AGREEMENT THIS POST-MERGER STOCKHOLDERS AGREEMENT (this "Stockholders Agreement"), dated as of April 23, 1998, is made and entered into by and among Specialty Teleconstructors, Inc., a Nevada corporation (the...Post-Merger Stockholders Agreement • May 4th, 1998 • Hicks Thomas O • Water, sewer, pipeline, comm & power line construction • Texas