| Company | Timeline | Status | |
| Insituform Technologies Limited Secretary • Unreported | 24 Feb 1993←1 Year 7 Months→28 Sep 1994 | Dissolved | |
Sewer Services Limited Secretary • Unreported | 24 Feb 1993←8 Years→1 Jan 2002 | Dissolved | |
| Insituform Holdings (UK) Limited Secretary • Unreported | 4 Jan 1993←8 Years→1 Jan 2002 | Dissolved | |
