| intermountain electric, inc. C13330-2004 | Foreign Corporation | Active In good standing | Director | 2727 North Loop West, Houston TX 77001 | 2004 |
| mid america energy services, inc. E0556522012-1 | Foreign Corporation | Active In good standing | Director | 2727 North Loop West, Houston TX 77001 | 2012 |
| potelco, inc. C27148-2000 | Foreign Corporation | Active In good standing | Director | 2727 North Loop West, Houston TX 77001 | 2000 |
| quanta electric power services, llc E0125682015-1 | Foreign Limited-Liability Company | Active In good standing | Manager | 2727 North Loop West, Houston TX 77001 | 2015 |
| SEC (DE), Inc. E45052872024-0 | Foreign Corporation | Active In good standing | Director | 2727 North Loop West, Houston TX 77001 | 2024 |
| summit line construction, inc E0340182010-7 | Foreign Corporation | Active In good standing | Director | 2727 North Loop West, Houston TX 77001 | 2010 |
| the delphi groupe, llc E45708222025-0 | Foreign Limited-Liability Company | Active In good standing | Manager | 2727 North Loop West, Houston TX 77001 | 2025 |
| UNDERGROUND CONSTRUCTION CO., INC. C22154-1998 | Foreign Corporation | Active In good standing | Director | 2727 North Loop West, Houston TX 77001 | 1998 |
| wilson utility construction co. C2599-1983 | Foreign Corporation | Active In good standing | Director | 2727 North Loop West, Houston TX 77001 | 1983 |
| brent woodward, inc. C977-2005 | Foreign Corporation | Withdrawn Not in good standing | Director | 2727 North Loop West, Houston TX 77001 | 2005 |
| price gregory international, inc. C9373-1990 | Foreign Corporation | Converted Out Not in good standing | Director | 2800 Post Oak Blvd., Ste. 2600, Houston TX 77001 | 1990 |
