| brink constructors, inc. E0376342005-2 | Foreign Corporation | Active In good standing | Director | 2727 North Loop West, Houston TX 77001 | 2005 |
| dashiell, corporation E0081822009-8 | Foreign Corporation | Active In good standing | Director | 2727 North Loop West, Houston TX 77001 | 2009 |
| grid training corporation E33763742023-8 | Foreign Corporation | Active In good standing | Director | 2727 North Loop West, Houston TX 77001 | 2023 |
| IRBY CONSTRUCTION COMPANY C31028-1998 | Foreign Corporation | Active In good standing | Director | 2727 North Loop West, Houston TX 77001 | 1998 |
| ngi construction, inc. (modified name) C11029-1994 | Foreign Corporation | Active In good standing | Director | 2727 North Loop West, Houston TX 77001 | 1994 |
| northstar energy services, inc. E0587002010-4 | Foreign Corporation | Active In good standing | Director | 2727 North Loop West, Houston TX 77001 | 2010 |
| probst electric inc. E0071772008-8 | Foreign Corporation | Active In good standing | Director | 2727 North Loop West, Houston TX 77001 | 2008 |
| qsi (de), inc. E32704702023-9 | Foreign Corporation | Active In good standing | Director | 2727 North Loop West, Houston TX 77001 | 2023 |
| safety test & equipment company, inc. E47907582025-1 | Foreign Corporation | Active In good standing | Director | 2727 North Loop West, Houston TX 77001 | 2025 |
| sherman + reilly, inc. E34427832023-7 | Foreign Corporation | Active In good standing | Director | 2727 North Loop West, Houston TX 77001 | 2023 |
| THE RYAN COMPANY, INC. OF MASSACHUSETTS E0495492008-6 | Foreign Corporation | Active In good standing | Director | 2727 North Loop West, Houston TX 77001 | 2008 |
| lex engineering ltd. E0301152019-6 | Foreign Corporation | Withdrawn Not in good standing | Director | 2727 North Loop West, Houston TX 77001 | 2019 |
