| P C Electrical Services Ltd | 0191 581 1718 | | 9 Exmouth Close, Seaham, SR7 7RW |  Map & Directions |
| Sml Electrical Ltd | 0191 581 1108 | | Unit 1, Cold Hesledon Industrial Estate, Cold Hesledon, Seaham, SR7 8ST | | Map & Directions |
| Seaham Electrical | 0191 581 5294 | | 12 Eppleton Hall Close, Seaham, SR7 0LG | | Map & Directions |
| Vector Power Solutions | 0191 513 0515 | | 3 Countess Close, Seaham, SR7 7DW | | Map & Directions |
| Stedfast Electricals | 0191 518 3663 | | 10 Whitworth Road , South West Industrial Estate , Peterlee, SR8 2LY | | Map & Directions |
| Electrical Work & Maintenance Ltd | 0191 528 0625 | | 7 Nursery Close, Sunderland, SR3 1PA | | Map & Directions |
| City Electrical Services | 0191 528 2460 | | 2 Raby Drive, Sunderland, SR3 3QE | | Map & Directions |
| Ivic Ltd | 0191 518 4500 | | 11 Whitworth Road, South West Industrial Estate, Peterlee, SR8 2LY | | Map & Directions |
| Harry Burnicle | 0191 567 6780 | | 216 Hylton Road, Sunderland, SR4 7UZ | | Map & Directions |
| K Benson & Sons Ltd | 0191 565 7339 | | 3 West Hill, Sunderland, SR4 8PU | | Map & Directions |
| Wearcom Electrical & Security | 0191 551 9816 | | 35 Kayll Road, Sunderland, SR4 7TW | | Map & Directions |
| Pallion Electrical Services | 0191 567 4466 | | 34 St. Lukes Terrace, Sunderland, SR4 6NQ | | Map & Directions |
| Cable Jointing Services Ltd | 0191 514 1165 | | Cedric Works, Cedric Crescent, Back Dunelm, Durham Road, Sunderland, SR2 7QP | | Map & Directions |
| Bosanko Ltd | 0191 520 3514 | | 8 Hillfield Gardens, Sunderland, SR3 1LP | | Map & Directions |
| Hamilton Electrical Services Ltd | 0191 565 5400 | | 115 Chester Road, Sunderland, SR4 7HG | | Map & Directions |
| Excelsior Services Ltd | 0191 564 0000 | | The Old Hall, Benedict Road, Sunderland, SR6 0NX | | Map & Directions |
| Norman Adamson & Sons Ltd | 0191 565 2354 | | 2 Arrol Park, Sunderland, SR4 7BS | | Map & Directions |
| Hydraulic Technical Services Ltd | 0191 569 3290 | | 14 Whitworth Road, South West Industrial Estate, Peterlee, SR8 2LY | | Map & Directions |
| Channon Contractors Ltd | 0191 549 1587 | | 8-9 Castellian Road, Sunderland, SR5 3BE | | Map & Directions |
| Hawthorn Electrical Services Ltd | 0191 528 1046 | | 33 Cairnside, Sunderland, SR3 3LT | | Map & Directions |
| J E B Contractors Ltd | 0191 548 0800 | | Unit 88, Alexandra Avenue, Sunderland Enterprise Park, Sunderland, SR5 2TB | | Map & Directions |
| A19 Response Electrical | 0191 518 0465 | | 20 Conyers Crescent, Peterlee, SR8 4AE | | Map & Directions |
| Emcor Engineering Services Ltd | 0191 516 8998 | | Tower House, St. Catherines Court, Sunderland Enterprise Park, Sunderland, SR5 3XJ | | Map & Directions |
| I Q Services Ltd | 0191 514 2399 | | Doxford Print Works, Pallion Quay, Sunderland, SR4 6TQ | | Map & Directions |
| Sloanes | 0191 549 1222 | | Unit 10f, Southwick Industrial Estate, Sunderland, SR5 3TX | | Map & Directions |
| Ross Electrical | 0191 521 2126 | | 44 Goathland Drive, Sunderland, SR3 2BZ | | Map & Directions |
| Thompson & Son Electrical Services | 0191 521 0116 | | 19 Stockton Road, Ryhope, Sunderland, SR2 0NF | | Map & Directions |
| A A A Electrical | 0191 521 0116 | | 19 Stockton Road, Ryhope, Sunderland, SR2 0NF | | Map & Directions |
| Enspec Power Ltd | 0191 514 2090 | | Unit 2, Stanfield Business Centre, Addison Street, Sunderland, SR2 8SZ | | Map & Directions |
| Peterlee Electrical Contracting Services Ltd | 0191 587 1189 | | 12 Girton Close, Peterlee, SR8 2NF | | Map & Directions |
| Miller Electrical Services | 0800 107 5528 | | 11 Melvaig Close, Sunderland, SR3 2QX | | Map & Directions |
| Phoenix Abc Ltd | 0191 565 9393 | | 12 Glaholm Road, Sunderland, SR1 2NX | | Map & Directions |
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