| Michels CorporationLocation not reported, AK · Good Standing | Location not reported, AK | Corporation | Apr 4, 2012 | Good Standing |
| Mi-Tech Services, Inc.Location not reported, AK · Good Standing | Location not reported, AK | Corporation | Nov 9, 2012 | Good Standing |
| MICHELS POWER, INC.Location not reported, AK · Good Standing | Location not reported, AK | Corporation | Sep 11, 2020 | Good Standing |
| Michels Utility Services, Inc.Location not reported, AK · Good Standing | Location not reported, AK | Corporation | Sep 16, 2020 | Good Standing |
| MICHELS ENERGY HOLDINGS, INC.Location not reported, AK · Good Standing | Location not reported, AK | Corporation | Oct 29, 2020 | Good Standing |
| Michels Pipeline, Inc.Location not reported, AK · Good Standing | Location not reported, AK | Corporation | Jan 13, 2021 | Good Standing |
| Michels Pacific Energy, Inc.Location not reported, AK · Good Standing | Location not reported, AK | Corporation | Mar 16, 2021 | Good Standing |
| Michels Road & Stone, Inc.Location not reported, AK · Good Standing | Location not reported, AK | Corporation | Jun 16, 2021 | Good Standing |
| Michels Construction, Inc.Location not reported, AK · Good Standing | Location not reported, AK | Corporation | Jul 12, 2021 | Good Standing |
| Michels Infrastructure, Inc.Location not reported, AK · Good Standing | Location not reported, AK | Corporation | Aug 11, 2021 | Good Standing |
| Michels Trenchless, Inc.Location not reported, AK · Good Standing | Location not reported, AK | Corporation | Oct 11, 2021 | Good Standing |
| Michels Trenchless Group, Inc.Location not reported, AK · Good Standing | Location not reported, AK | Corporation | Mar 28, 2022 | Good Standing |
| MICON Group, Inc.Location not reported, AK · Good Standing | Location not reported, AK | Corporation | Jul 7, 2022 | Good Standing |
| MICHELS UNDERGROUND CABLE, INC.Location not reported, AK · Good Standing | Location not reported, AK | Corporation | Oct 23, 2023 | Good Standing |
| Michels Preconstruction Services, Inc.Location not reported, AK · Good Standing | Location not reported, AK | Corporation | Feb 13, 2025 | Good Standing |
| Michels Energy Solutions, Inc.Location not reported, AK · Good Standing | Location not reported, AK | Corporation | Mar 30, 2026 | Good Standing |
| Michels Power Group, Inc.Location not reported, AK · Good Standing | Location not reported, AK | Corporation | Mar 30, 2026 | Good Standing |
| Michels Federal, Inc.Location not reported, AK · Good Standing | Location not reported, AK | Corporation | Mar 30, 2026 | Good Standing |
| MICHELS INFRASTRUCTURE SOLUTIONS, INC.Location not reported, AK · Good Standing | Location not reported, AK | Corporation | Mar 30, 2026 | Good Standing |
| Michels Energy Group, Inc.Location not reported, AK · Good Standing | Location not reported, AK | Corporation | Jun 5, 2026 | Good Standing |
| Michels Power Services, Inc.Location not reported, AK · Good Standing | Location not reported, AK | Corporation | Sep 11, 2026 | Good Standing |
| MICHELS CORPORATIONLocation not reported, CO · Good Standing | Location not reported, CO | Corporation | Nov 27, 1987 | Good Standing |
| MI-TECH COMMUNICATIONS, INC., Colorado Authority Terminated May 10, 1999Location not reported, CO · Withdrawn | Location not reported, CO | Corporation | Jan 30, 1997 | Withdrawn |
| MI-TECH COMMUNICATIONS, LLC, Colorado Authority Terminated September 18, 2001Location not reported, CO · Withdrawn | Location not reported, CO | LLC | May 10, 1999 | Withdrawn |
| Mi-Tech Services, Inc.Location not reported, CO · Good Standing | Location not reported, CO | Corporation | Sep 24, 2002 | Good Standing |
| DATA-TEL TECH SERVICES, INC., Colorado Authority Relinquished May 16, 2017Location not reported, CO · Withdrawn | Location not reported, CO | Corporation | Sep 24, 2002 | Withdrawn |
| Pilchuck Contractors, Inc., Dissolved March 10, 2015Location not reported, CO · Voluntarily Dissolved | Location not reported, CO | Corporation | Mar 1, 2011 | Voluntarily Dissolved |
| Greater Rockies Construction, LLC, Dissolved August 2, 2021Location not reported, CO · Voluntarily Dissolved | Location not reported, CO | LLC | Apr 15, 2019 | Voluntarily Dissolved |
| Michels Power, Inc.Location not reported, CO · Good Standing | Location not reported, CO | Corporation | Sep 15, 2020 | Good Standing |
| Michels Utility Services, Inc.Location not reported, CO · Good Standing | Location not reported, CO | Corporation | Sep 15, 2020 | Good Standing |
| Michels Energy Holdings, Inc.Location not reported, CO · Good Standing | Location not reported, CO | Corporation | Nov 2, 2020 | Good Standing |
| Michels Pipeline, Inc.Location not reported, CO · Good Standing | Location not reported, CO | Corporation | Jan 13, 2021 | Good Standing |
| Thetis Station Leasing LLCLocation not reported, CO · Good Standing | Location not reported, CO | LLC | Feb 2, 2021 | Good Standing |
| Michels Road & Stone, Inc.Location not reported, CO · Good Standing | Location not reported, CO | Corporation | Jun 16, 2021 | Good Standing |
| Michels Construction, lnc.Location not reported, CO · Good Standing | Location not reported, CO | Corporation | Jul 12, 2021 | Good Standing |
| Michels Infrastructure, Inc.Location not reported, CO · Delinquent | Location not reported, CO | Corporation | Aug 12, 2021 | Delinquent |
| Michels Trenchless, Inc.Location not reported, CO · Good Standing | Location not reported, CO | Corporation | Oct 11, 2021 | Good Standing |
| MICON Group, Inc.Location not reported, CO · Good Standing | Location not reported, CO | Other | Jul 8, 2022 | Good Standing |
| M&M TRANSWEST CONSTRUCTION, LLC, Colorado Authority Relinquished November 22, 2023Location not reported, CO · Withdrawn | Location not reported, CO | LLC | Dec 9, 2022 | Withdrawn |
| Michels Underground Cable, Inc.Location not reported, CO · Good Standing | Location not reported, CO | Corporation | Oct 23, 2023 | Good Standing |
| Michels Preconstruction Services, Inc.Location not reported, CO · Good Standing | Location not reported, CO | Corporation | Dec 2, 2024 | Good Standing |
| Michels Pacific Energy, Inc.Location not reported, CO · Good Standing | Location not reported, CO | Corporation | Jul 21, 2025 | Good Standing |
| Michels Power Group, Inc.Location not reported, CO · Good Standing | Location not reported, CO | Corporation | Mar 30, 2026 | Good Standing |
| Michels Infrastructure Solutions, Inc.Location not reported, CO · Good Standing | Location not reported, CO | Corporation | Mar 30, 2026 | Good Standing |
| Michels Energy Group, Inc.Location not reported, CO · Good Standing | Location not reported, CO | Corporation | Mar 30, 2026 | Good Standing |
| Michels Energy Solutions, Inc.Location not reported, CO · Good Standing | Location not reported, CO | Corporation | Mar 30, 2026 | Good Standing |
| Michels Federal, Inc.Location not reported, CO · Good Standing | Location not reported, CO | Corporation | Mar 30, 2026 | Good Standing |
| Michels Power Services, Inc.Location not reported, CO · Good Standing | Location not reported, CO | Corporation | Sep 11, 2026 | Good Standing |
| HEITKAMP, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Mar 29, 1982 | Active |
| MICHELS CORPORATIONLocation not reported, CT · Active | Location not reported, CT | Corporation | Dec 3, 1987 | Active |