Epston Heating & Plumbing - Norwich

Thornton & Ross Ltd - Huddersfield

Extract Technology - Huddersfield Operations - Huddersfield

Swan Energy Limited - Huddersfield

East Coast Hydrogen - Leeds

Energy Storage Enclosure limited - Pontefract

Energi Holdings plc - Lancaster

Ryedale Energy Ltd - York

Enerswitch UK Ltd - Leeds

Silcock Leedham Consulting Engineers Limited - Leeds