| Company | Timeline | Status | |
| Zone Civil Engineering Limited Director • Unreported | 6 May 2015←10 Years→Current | Active | |
| Zone (Plant Hire) Limited Director • Unreported | 24 Apr 2014←11 Years→Current | Active | |
| Zone Construction Limited Director • Unreported | 27 Apr 2010←15 Years→Current | Active | |
| Workforce Civils Limited Director • Civil Engineer | 30 Nov 2009←1 Year 4 Months→31 Mar 2011 | Liquidation | |
| Zone Rail Limited Director • Unreported | 15 Dec 2008←16 Years→Current | Active | |
Workforce Construction Limited Director • Company Director | 23 Feb 2006←4 Months→10 Jul 2006 | Dissolved | |
| Erin Go Bragh Development Association Limited Director • Unreported | 31 May 2005←20 Years→Current | Active | |
| Zone Contractors Limited Director • Unreported | 9 Jul 2002←23 Years→Current | Active | |
| Zone Plant Training Services Limited Director • Unreported | 17 Apr 1997←28 Years→Current | Active | |
| Zone Plant Training Services Limited Secretary • Unreported | 10 Mar 1997←28 Years→Current | Active | |
