Industrial & mechanical engineering

The sole commercial electricity supplier on the island, serving 29,763 customers in 2022, and also offers a plumbing service.

Marine renewable energy developer on Alderney, established in 2004 to harness tidal resources for sustainable energy.

Supplier of steel pipes, fittings, valves, hoses, pumps, and water filtration, specialising in procurement and logistics for the mechanical engineering sector in St Sampson.

Mechanical and electrical contractor providing HVAC, plumbing, electrical, and security systems for commercial, retail, and industrial clients.

Provider of glasshouses and systems for commercial, architectural, botanic, scientific research, and restoration projects.

Chartered consulting engineering practice specialising in mechanical and electrical (M&E) services for the construction industry, with a Guernsey branch opened in 2012.

Guernsey's only Volvo Penta and Yanmar Service Centre, offering boatyard facilities, a chandlery, and parts in St. Sampson's Marina.

Civil engineering contractor and approved utility contractor, a subsidiary of Trant Engineering Ltd (UK), providing civil, mechanical, process, and MEICA engineering services.

Plant dealer offering JCB distributorship, hydraulic specialism, Gates hose manufacture, and mini JCB and dumper hire in the Vale.

Professional service offering consulting, electro-mechanical, and heating engineering, as well as water, wastewater, and rainwater harvesting systems.

Garden machinery sales and repair service in Vale, also trading as Saw Point Engineering.