| Integrated Service Company LLCLocation not reported, AK · Good Standing | Location not reported, AK | LLC | Apr 3, 2015 | Good Standing |
| John Zink Company, LLCLocation not reported, AK · Good Standing | Location not reported, AK | LLC | Nov 6, 2015 | Good Standing |
| Roxtec Inc.Location not reported, AK · Good Standing | Location not reported, AK | Corporation | Oct 16, 2024 | Good Standing |
| BD ENERGY CONSTRUCTION LLCLocation not reported, AK · Good Standing | Location not reported, AK | LLC | Apr 16, 2025 | Good Standing |
| Construction & Turnaround Services, L.L.C.Location not reported, AK · Good Standing | Location not reported, AK | LLC | Jul 21, 2005 | Good Standing |
| MIDWEST INDUSTRIAL CONTRACTORS, INC., Colorado Authority Terminated March 29, 2001Location not reported, CO · Withdrawn | Location not reported, CO | Corporation | Feb 22, 1991 | Withdrawn |
| J.D. HAMMOND ENTERPRISES, INC.Location not reported, CO · Merged | Location not reported, CO | Corporation | May 16, 1994 | Merged |
| CONSTRUCTION & TURNAROUND SERVICES, L.L.C.Location not reported, CO · Good Standing | Location not reported, CO | LLC | Jul 13, 1995 | Good Standing |
| BRO OPTICAL, INC., Colorado Authority Terminated May 1, 1999Location not reported, CO · Revoked | Location not reported, CO | Corporation | Nov 14, 1996 | Revoked |
| EMOTEQ CORPORATIONLocation not reported, CO · Good Standing | Location not reported, CO | Corporation | Sep 15, 1997 | Good Standing |
| CRC-EVANS WEIGHTING SYSTEMS, INC., Colorado Authority Terminated August 3, 2004Location not reported, CO · Withdrawn | Location not reported, CO | Corporation | Oct 23, 1998 | Withdrawn |
| JOHN ZINK COMPANY, LLCLocation not reported, CO · Good Standing | Location not reported, CO | LLC | Jul 30, 1999 | Good Standing |
| CUST-O-FAB TANK SERVICES, L.L.C., Colorado Authority Terminated March 15, 2005Location not reported, CO · Withdrawn | Location not reported, CO | LLC | Dec 8, 1999 | Withdrawn |
| PORT CITY INDUSTRIAL SERVICES, L.L.C., Colorado Authority Terminated September 26, 2002Location not reported, CO · Withdrawn | Location not reported, CO | LLC | Nov 9, 2000 | Withdrawn |
| Borets U.S., Inc., Colorado Authority Relinquished July 22, 2022Location not reported, CO · Withdrawn | Location not reported, CO | Corporation | Feb 11, 2008 | Withdrawn |
| American Piping Inspection Inc.Location not reported, CO · Good Standing | Location not reported, CO | Corporation | Nov 6, 2009 | Good Standing |
| CRC-EVANS WEIGHTING SYSTEMS, INC., Colorado Authority Relinquished July 20, 2012Location not reported, CO · Withdrawn | Location not reported, CO | Corporation | May 6, 2010 | Withdrawn |
| Invia Pavement Technologies, LLC, Colorado Authority Relinquished January 4, 2017Location not reported, CO · Withdrawn | Location not reported, CO | LLC | Jan 28, 2011 | Withdrawn |
| Industrial Piping Specialists, Inc.Location not reported, CO · Good Standing | Location not reported, CO | Corporation | Jul 5, 2011 | Good Standing |
| Discovery Partners, Delinquent March 1, 2019Location not reported, CO · Delinquent | Location not reported, CO | Corporation | Feb 27, 2014 | Delinquent |
| Integrated Service Company LLCLocation not reported, CO · Good Standing | Location not reported, CO | LLC | May 19, 2014 | Good Standing |
| DISCOVERY VENTURES, Dissolved November 27, 2017Location not reported, CO · Voluntarily Dissolved | Location not reported, CO | Corporation | Jun 3, 2014 | Voluntarily Dissolved |
| Ameristar Perimeter Security USA IncLocation not reported, CO · Good Standing | Location not reported, CO | Corporation | Jun 6, 2014 | Good Standing |
| Mid-America Pipeline Construction, Inc.Location not reported, CO · Good Standing | Location not reported, CO | Corporation | Jul 23, 2014 | Good Standing |
| Circle B Measurement & Fabrication, LLC, Delinquent February 1, 2020Location not reported, CO · Delinquent | Location not reported, CO | Other | Sep 6, 2017 | Delinquent |
| DMI International, Inc., Delinquent October 1, 2022Location not reported, CO · Delinquent | Location not reported, CO | Corporation | May 15, 2019 | Delinquent |
| Mathey Dearman Inc, Delinquent April 1, 2021Location not reported, CO · Delinquent | Location not reported, CO | Corporation | Nov 20, 2019 | Delinquent |
| Roxtec Inc., Dissolved September 13, 2024Location not reported, CO · Voluntarily Dissolved | Location not reported, CO | Corporation | Jan 14, 2020 | Voluntarily Dissolved |
| Stanley Inspection US, L.L.C., Colorado Authority Relinquished May 5, 2023Location not reported, CO · Withdrawn | Location not reported, CO | LLC | Mar 6, 2020 | Withdrawn |
| Roxtec Inc.Location not reported, CO · Good Standing | Location not reported, CO | Corporation | Sep 30, 2024 | Good Standing |
| BECHT INDUSTRIAL GROUP LLCLocation not reported, CO · Good Standing | Location not reported, CO | LLC | Nov 13, 2024 | Good Standing |
| JOHN ZINK COMPANY, LLCLocation not reported, CT · Active | Location not reported, CT | LLC | Aug 2, 1999 | Active |
| BOGAN, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Jul 22, 2004 | Withdrawn |
| PAUL TRANSPORTATION, INCLocation not reported, CT · Revoked | Location not reported, CT | Corporation | Jul 30, 2021 | Revoked |
| AMERISTAR PERIMETER SECURITY USA INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Dec 6, 2023 | Active |
| Roxtec Inc.Location not reported, CT · Active | Location not reported, CT | Corporation | Sep 30, 2024 | Active |
| JOHN ZINK COMPANY, LLCLocation not reported, OR · Active | Location not reported, OR | LLC | Nov 5, 2015 | Active |
| INTEGRATED SERVICE COMPANY, LLCLocation not reported, OR · Active | Location not reported, OR | LLC | Aug 29, 2018 | Active |
| ROXTEC INC.Location not reported, OR · Active | Location not reported, OR | Corporation | Dec 19, 2022 | Active |
| MID-AMERICA PIPELINE CONSTRUCTION, INC.Location not reported, OR · Active | Location not reported, OR | Corporation | Jan 16, 2025 | Active |
| CONSTRUCTION & TURNAROUND SERVICES, L.L.C.Location not reported, OR · Active | Location not reported, OR | LLC | Oct 25, 2006 | Active |
| TRI STAR INTERNATIONAL, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jun 22, 1976 | Inactive |
| MATRIX SERVICE SPECIALIZED TRANSPORT INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Apr 3, 1978 | Inactive |
| LOBITO TECHNOLOGY GROUP, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Jun 6, 2007 | Active |
| AMERISTAR FENCE PRODUCTS, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | May 27, 2009 | Inactive |
| SPX HEAT TRANSFER INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Dec 17, 2009 | Inactive |
| PREGIS INTELLIPACK CORP.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jun 1, 2010 | Inactive |
| AMERISTAR PERIMETER SECURITY USA INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Oct 14, 2013 | Active |
| GREEN COUNTRY AIRCRAFT EXHAUST, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Oct 1, 2015 | Inactive |
| ROXTEC INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Sep 23, 2022 | Active |