| VLVAOS Limited (Value Added Oilfield Services) Qormi, MaltaEnergy, Utilities & Waste Treatment | | |
| DDrillingsoftware MaltaEnergy, Utilities & Waste Treatment | | |
| EElektrotechnik Luqa, MaltaEnergy, Utilities & Waste Treatment | Elektroinstallation Gebäudetechnik Energieüberwachung | |
| TGTumas Group St. Julian's, MaltaReal Estate | Construction work Real estate services Property Investing Rentals Fund Management | |
| AEA.Falzon Energy Projects St Venera, MaltaEnergy, Utilities & Waste Treatment | Construction work Construction structures and materials; auxiliary products to construction (except electric apparatus) Heating Cooling Ventilation | |
| IMInterConnect Malta Birkirkara, MaltaEnergy, Utilities & Waste Treatment | Construction work Construction structures and materials; auxiliary products to construction (except electric apparatus) Energy Interconnectivity Electricity Cable Gas Pipeline | |
| MPMedservRegis plc Birzebbugia, MaltaEnergy, Utilities & Waste Treatment | Construction structures and materials; auxiliary products to construction (except electric apparatus) Offshore Logistics Onshore Logistics Integrated Logistics Facilities | |
| WWFSO MaltaEnergy, Utilities & Waste Treatment | Construction work Installation services (except software) | |
| MMultigas Ltd Kirkop, MaltaEnergy, Utilities & Waste Treatment | Construction structures and materials; auxiliary products to construction (except electric apparatus) Medical equipments, pharmaceuticals and personal care products Industrial Gases Medical Gases Gas Mixtures | |
| AEAeris Environmental Europe San Ġwann, MaltaEnergy, Utilities & Waste Treatment | Construction work Architectural, construction, engineering and inspection services HVAC&R Luftqualität Oberflächenhygiene | |