| APEX POWER SOLUTIONS, LLC E58346632026-8 | Sociedad de responsabilidad limitada (LLC) extranjera | Activa Al corriente | Authorized Signer | 2727 North Loop West, Houston TX 77001 | 2026 |
| brink constructors, inc. E0376342005-2 | Corporación extranjera | Activa Al corriente | Secretary | 2727 North Loop West, Houston TX 77001 | 2005 |
| cougar construction of oregon, inc. E0089782013-6 | Corporación extranjera | Activa Al corriente | Secretary | 2727 North Loop West, Houston TX 77001 | 2013 |
| CRUX SUBSURFACE, INC. E0180882012-9 | Corporación extranjera | Activa Al corriente | Secretary | 2727 North Loop West, Houston TX 77001 | 2012 |
| CUPERTINO ELECTRIC, INC. C31355-2000 | Corporación extranjera | Activa Al corriente | Secretary | 2727 North Loop West, Houston TX 77001 | 2000 |
| Dacon Corporation E7192182020-6 | Corporación extranjera | Activa Al corriente | Secretary | 2727 North Loop West, Houston TX 77001 | 2020 |
| dashiell, corporation E0081822009-8 | Corporación extranjera | Activa Al corriente | Secretary | 2727 North Loop West, Houston TX 77001 | 2009 |
| fiber telecom nv llc E24239722022-8 | Sociedad de responsabilidad limitada (LLC) extranjera | Activa Al corriente | Other | 2727 North Loop West, Houston TX 77001 | 2022 |
| grid training corporation E33763742023-8 | Corporación extranjera | Activa Al corriente | Secretary | 2727 North Loop West, Houston TX 77001 | 2023 |
| H.L. CHAPMAN PIPELINE CONSTRUCTION, INC. C23355-1999 | Corporación extranjera | Activa Al corriente | Secretary | 2727 North Loop West, Houston TX 77001 | 1999 |
| intermountain electric, inc. C13330-2004 | Corporación extranjera | Activa Al corriente | Secretary | 2727 North Loop West, Houston TX 77001 | 2004 |
| IRBY CONSTRUCTION COMPANY C31028-1998 | Corporación extranjera | Activa Al corriente | Secretary | 2727 North Loop West, Houston TX 77001 | 1998 |
| mears group, inc. E0483652006-0 | Corporación extranjera | Activa Al corriente | Secretary | 2727 North Loop West, Houston TX 77001 | 2006 |
| mercer customs services, llc E57387982026-8 | Sociedad de responsabilidad limitada (LLC) extranjera | Activa Al corriente | Manager | 2727 North Loop West, Houston TX 77001 | 2026 |
| mid america energy services, inc. E0556522012-1 | Corporación extranjera | Activa Al corriente | Secretary | 2727 North Loop West, Houston TX 77001 | 2012 |
| ngi construction, inc. (modified name) C11029-1994 | Corporación extranjera | Activa Al corriente | Secretary | 2727 North Loop West, Houston TX 77001 | 1994 |
| north american industrial services, inc. E0522142007-8 | Corporación extranjera | Activa Al corriente | Secretary | 2727 North Loop West, Houston TX 77001 | 2007 |
| northstar energy services, inc. E0587002010-4 | Corporación extranjera | Activa Al corriente | Secretary | 2727 North Loop West, Houston TX 77001 | 2010 |
| potelco, inc. C27148-2000 | Corporación extranjera | Activa Al corriente | Secretary | 2727 North Loop West, Houston TX 77001 | 2000 |
| probst electric inc. E0071772008-8 | Corporación extranjera | Activa Al corriente | Secretary | 2727 North Loop West, Houston TX 77001 | 2008 |
| qsi (de), inc. E32704702023-9 | Corporación extranjera | Activa Al corriente | Secretary | 2727 North Loop West, Houston TX 77001 | 2023 |
| safety test & equipment company, inc. E47907582025-1 | Corporación extranjera | Activa Al corriente | Secretary | 2727 North Loop West, Houston TX 77001 | 2025 |
| SEC (DE), Inc. E45052872024-0 | Corporación extranjera | Activa Al corriente | Secretary | 2727 North Loop West, Houston TX 77001 | 2024 |
| sherman + reilly, inc. E34427832023-7 | Corporación extranjera | Activa Al corriente | Secretary | 2727 North Loop West, Houston TX 77001 | 2023 |
| summit line construction, inc E0340182010-7 | Corporación extranjera | Activa Al corriente | Secretary | 2727 North Loop West, Houston TX 77001 | 2010 |
| THE RYAN COMPANY, INC. OF MASSACHUSETTS E0495492008-6 | Corporación extranjera | Activa Al corriente | Secretary | 2727 North Loop West, Houston TX 77001 | 2008 |
| truanchor solutions, llc E57640242026-7 | Sociedad de responsabilidad limitada (LLC) extranjera | Activa Al corriente | Authorized Signer | 2727 North Loop Wes, Houston TX 77001 | 2026 |
| UNDERGROUND CONSTRUCTION CO., INC. C22154-1998 | Corporación extranjera | Activa Al corriente | Secretary | 2727 North Loop West, Houston TX 77001 | 1998 |
| wilson utility construction co. C2599-1983 | Corporación extranjera | Activa Al corriente | Secretary | 2727 North Loop West, Houston TX 77001 | 1983 |
| winco powerline services, inc. E0091002016-1 | Corporación extranjera | Activa Al corriente | Secretary | 2727 North Loop West, Houston TX 77001 | 2016 |
| brent woodward, inc. C977-2005 | Corporación extranjera | Retirada No está al corriente | Secretary | 2727 North Loop West, Houston TX 77001 | 2005 |
| hargrave power, inc. E0285662015-2 | Corporación extranjera | Disuelta No está al corriente | Secretary | 2800 POST OAK BLVD STE 2600, HOUSTON TX 77056 | 2015 |
| lex engineering ltd. E0301152019-6 | Corporación extranjera | Retirada No está al corriente | Secretary | 2727 North Loop West, Houston TX 77001 | 2019 |
| m. g. dyess, inc. E0439372009-5 | Corporación extranjera | Convertida a otra jurisdicción No está al corriente | Secretary | 2800 Post Oak Blvd, Ste 2600, Houston TX 77001 | 2009 |
| MANUEL BROS., INC. C16257-1999 | Corporación extranjera | Retirada No está al corriente | Secretary | 2800 POST OAK BLVD STE 2600, HOUSTON TX 77056 | 1999 |
| PAR Electrical Contractors, Inc. E21833182022-4 | Corporación extranjera | Convertida a otra jurisdicción No está al corriente | Secretary | 2800 Post Oak Blvd., Suite 2600, Houston TX 77001 | 2022 |
| price gregory international, inc. C9373-1990 | Corporación extranjera | Convertida a otra jurisdicción No está al corriente | Secretary | 2800 Post Oak Blvd, Ste. 2600, Houston TX 77001 | 1990 |
| quanta electric power construction management, inc. E0315612005-2 | Corporación extranjera | Retirada No está al corriente | Secretary | 2800 Post Oak Blvd., Ste. 2600, Houston TX 77001 | 2005 |
| rp construction services, inc. E13182032021-0 | Corporación extranjera | Convertida a otra jurisdicción No está al corriente | Secretary | 2727 North Loop West, Houston TX 77001 | 2021 |
| utility training services corporation E0418962014-8 | Corporación extranjera | Retirada No está al corriente | Secretary | 2800 POST OAK BLVD., STE. 2600, HOUSTON TX 77056 | 2014 |