| brink constructors, inc. E0376342005-2 | Foreign Corporation | Active In good standing | Treasurer | 2727 North Loop West, Houston TX 77001 | 2005 |
| CRUX SUBSURFACE, INC. E0180882012-9 | Foreign Corporation | Active In good standing | Treasurer | 2727 North Loop West, Houston TX 77001 | 2012 |
| CUPERTINO ELECTRIC, INC. C31355-2000 | Foreign Corporation | Active In good standing | Treasurer | 2727 North Loop West, Houston TX 77001 | 2000 |
| Dacon Corporation E7192182020-6 | Foreign Corporation | Active In good standing | Treasurer | 2727 North Loop West, Houston TX 77001 | 2020 |
| dashiell, corporation E0081822009-8 | Foreign Corporation | Active In good standing | President | 2727 North Loop West, Houston TX 77001 | 2009 |
| fiber telecom nv llc E24239722022-8 | Foreign Limited-Liability Company | Active In good standing | Other | 2727 North Loop West, Houston TX 77001 | 2022 |
| grid training corporation E33763742023-8 | Foreign Corporation | Active In good standing | Treasurer | 2727 North Loop West, Houston TX 77001 | 2023 |
| H.L. CHAPMAN PIPELINE CONSTRUCTION, INC. C23355-1999 | Foreign Corporation | Active In good standing | Treasurer | 2727 North Loop West, Houston TX 77001 | 1999 |
| intermountain electric, inc. C13330-2004 | Foreign Corporation | Active In good standing | Treasurer | 2727 North Loop West, Houston TX 77001 | 2004 |
| IRBY CONSTRUCTION COMPANY C31028-1998 | Foreign Corporation | Active In good standing | Treasurer | 2727 North Loop West, Houston TX 77001 | 1998 |
| mears group, inc. E0483652006-0 | Foreign Corporation | Active In good standing | Treasurer | 2727 North Loop West, Houston TX 77001 | 2006 |
| mid america energy services, inc. E0556522012-1 | Foreign Corporation | Active In good standing | Treasurer | 2727 North Loop West, Houston TX 77001 | 2012 |
| ngi construction, inc. (modified name) C11029-1994 | Foreign Corporation | Active In good standing | Treasurer | 2727 North Loop West, Houston TX 77001 | 1994 |
| north american industrial services, inc. E0522142007-8 | Foreign Corporation | Active In good standing | Treasurer | 2727 North Loop West, Houston TX 77001 | 2007 |
| northstar energy services, inc. E0587002010-4 | Foreign Corporation | Active In good standing | Treasurer | 2727 North Loop West, Houston TX 77001 | 2010 |
| potelco, inc. C27148-2000 | Foreign Corporation | Active In good standing | Treasurer | 2727 North Loop West, Houston TX 77001 | 2000 |
| probst electric inc. E0071772008-8 | Foreign Corporation | Active In good standing | Treasurer | 2727 North Loop West, Houston TX 77001 | 2008 |
| qsi (de), inc. E32704702023-9 | Foreign Corporation | Active In good standing | Treasurer | 2727 North Loop West, Houston TX 77001 | 2023 |
| safety test & equipment company, inc. E47907582025-1 | Foreign Corporation | Active In good standing | Treasurer | 2727 North Loop West, Houston TX 77001 | 2025 |
| SEC (DE), Inc. E45052872024-0 | Foreign Corporation | Active In good standing | Treasurer | 2727 North Loop West, Houston TX 77001 | 2024 |
| sherman + reilly, inc. E34427832023-7 | Foreign Corporation | Active In good standing | Treasurer | 2727 North Loop West, Houston TX 77001 | 2023 |
| summit line construction, inc E0340182010-7 | Foreign Corporation | Active In good standing | Treasurer | 2727 North Loop West, Houston TX 77001 | 2010 |
| THE RYAN COMPANY, INC. OF MASSACHUSETTS E0495492008-6 | Foreign Corporation | Active In good standing | Treasurer | 2727 North Loop West, Houston TX 77001 | 2008 |
| UNDERGROUND CONSTRUCTION CO., INC. C22154-1998 | Foreign Corporation | Active In good standing | Treasurer | 2727 North Loop West, Houston TX 77001 | 1998 |
| wilson utility construction co. C2599-1983 | Foreign Corporation | Active In good standing | Treasurer | 2727 North Loop West, Houston TX 77001 | 1983 |
| winco powerline services, inc. E0091002016-1 | Foreign Corporation | Active In good standing | Treasurer | 2727 North Loop West, Houston TX 77001 | 2016 |
| brent woodward, inc. C977-2005 | Foreign Corporation | Withdrawn Not in good standing | Treasurer | 2727 North Loop West, Houston TX 77001 | 2005 |
| hampton & sussex, incorporated E0927072006-7 | Domestic Corporation | Permanently Revoked Not in good standing | Director, President | 3155 E PATRICK LANE, ST 1, LAS VEGAS NV 89120-3481 | 2006 |
| lex engineering ltd. E0301152019-6 | Foreign Corporation | Withdrawn Not in good standing | Treasurer | 2727 North Loop West, Houston TX 77001 | 2019 |
| quanta services, inc. E0576602018-1 | Foreign Corporation | Withdrawn Not in good standing | Treasurer | 2800 Post Oak Blvd, Ste. 2600, Houston TX 77001 | 2018 |
| rp construction services, inc. E13182032021-0 | Foreign Corporation | Converted Out Not in good standing | Treasurer | 2727 North Loop West, Houston TX 77001 | 2021 |