| Company | Timeline | Status | |
| Marroe Developments Limited Director • Director  | 2 Nov 2016←9 Years→Current  | Active  | |
| Marriott Geotechnical Drilling Ltd Director • Unreported  | 25 Oct 2016←4 Years→4 Oct 2021  | Active  | |
| MDG Health & Safety Training Solutions Ltd Director • Drilling Contractor  | 10 Mar 2016←9 Years→Current  | Active  | |
| Water Well Solutions Limited Director • Unreported  | 6 May 2015←10 Years→Current  | Active  | |
| Drilcorp Limited Director • Plant Hire Contractor  | 28 Feb 1993←2 Years 1 Month→31 Mar 1995  | Active  | |
| Drillwell Limited Director • Drilling Contractor  | 22 Oct 1991←7 Months→8 Jun 1992  | Active  | |
| P R Marriott Drilling Limited Director • Drilling Contractor  | 18 Mar 1991←18 Years→1 Dec 2009  | Active  | |
