| Austin Turner & Co Ltd | 020 8440 8666 | | First Floor, 64-66 High Street, Barnet, EN5 5SJ |  Map & Directions |
| Spector Electronic Services Ltd | 020 8440 5540 | | 132 Leicester Road, Barnet, EN5 5DN | | Map & Directions |
| Peter Regan | 020 8441 0284 | | Valley View, Latimer Road, Barnet, EN5 5NX | | Map & Directions |
| Skinner Electrical Contracts Limited | 020 8441 5806 | | 86 Gloucester Road, Barnet, EN5 1LZ | | Map & Directions |
| Key Electrical Services | 020 8443 3535 | | 46 Swan Way, Enfield, EN3 7HZ | | Map & Directions |
| Briarflair | 01707 874928 | | 13 King James Avenue, Cuffley, Potters Bar, EN6 4LN | | Map & Directions |
| Cje Electrical Services | 01992 467240 | | 33 Champions Green, Hoddesdon, EN11 9NE | | Map & Directions |
| Ashman Newton & Co | 020 8361 9694 | | 25 West Wk, East Barnet, Barnet, EN4 8NU | | Map & Directions |
| Draper Electrical Ltd | 020 8245 0586 | | 154 Tenniswood Road , Enfield, EN1 3LX | | Map & Directions |
| D & S Leggett | 020 8441 3958 | | 181 Victoria Road , New Barnet, Barnet, EN4 9PA | | Map & Directions |
| F M B Electrics | 01992 429821 | | 216 Caxton Road, Hoddesdon, EN11 9NY | | Map & Directions |
| P T Lighting | 01992 890691 | | Millbrook Business Park, Hoe Lane, Nazeing, Waltham Abbey, EN9 2RJ | | Map & Directions |
| J D C Contractors | 020 8449 4351 | | 17 Park Road, New Barnet, Barnet, EN4 9QA | | Map & Directions |
| Mark Dambrauskas | 01707 658601 | | 67 Oulton Crescent, Potters Bar, EN6 3EB | | Map & Directions |
| Lawrence Electrical | 01935 891090 | | 24 Northlands, Potters Bar, EN6 5DE | | Map & Directions |
| Thornton Electrical | 01707 664581 | | 5 Thornton Road, Potters Bar, EN6 1JJ | | Map & Directions |
| A & M Electrical Contractors Ltd | 01992 766282 | | 64 Harveyfields, Waltham Abbey, EN9 1HW | | Map & Directions |
| London Computer & Electrical Installations | 020 8367 9901 | | 76 Chase Side, Enfield, EN2 6NX | | Map & Directions |
| G & P Services | 01992 464344 | | 14 Stratfield Drive, Broxbourne, EN10 7NU | | Map & Directions |
| Linkwood Services Ltd | 020 8245 8562 | | 67 Delhi Road, Enfield, EN1 2LY | | Map & Directions |
| Cotton Electrical Services Ltd | 020 8366 8876 | | 10 Glenville Avenue, Enfield, EN2 0ER | | Map & Directions |
| R S C Dixon | 01707 873225 | | Hillside Bungalow, St. James Road, Goffs Oak, Waltham Cross, EN7 6TP | | Map & Directions |
| Linkwood Services | 01707 875875 | | 149 Tolmers Road, Cuffley, Potters Bar, EN6 4JP | | Map & Directions |
| Hertford Electrical | 020 8443 0912 | | 25 Bursland Road, Enfield, EN3 7EX | | Map & Directions |
| Kramer Electrical Ltd | 01707 653889 | | 80 High Street, Potters Bar, EN6 5AB | | Map & Directions |
| R Sack Electrics Ltd | 020 8367 9967 | | 281 Gladbeck Way, Enfield, EN2 7HR | | Map & Directions |
| Steven Kirby | 01707 643328 | | 35 Oulton Crescent, Potters Bar, EN6 3EG | | Map & Directions |
| Ex-Elecs Ltd | 01992 410061 | | 5 Primrose Path, Cheshunt, Waltham Cross, EN7 5AN | | Map & Directions |
| Crosby Electrical Services Ltd | 020 8443 1212 | | Unit 5, Stockingswater Lane, Sovereign Business Centre, Enfield, EN3 7JX | | Map & Directions |
| A C I Electrical Ltd | 01992 632067 | | 148 Churchgate, Cheshunt, Waltham Cross, EN8 9DZ | | Map & Directions |
| P E Littlefield | 020 8804 7207 | | 63 Dendridge Close, Enfield, EN1 4PN | | Map & Directions |
| R M Bucklow & Partners | 020 8366 8428 | | 49 Orchard Crescent , Enfield, EN1 3NS | | Map & Directions |
| Lee's Electrics | 01992 715889 | | 23 Farm Hill Road, Waltham Abbey, EN9 1NE | | Map & Directions |
| Bradshaw Electrical Ltd | 01992 767329 | | 30 Harrier Way, Waltham Abbey, EN9 3JQ | | Map & Directions |
| Ryefield Engineering Co Ltd | 01992 625243 | | Delamare Road, Cheshunt, Waltham Cross, EN8 9TA | | Map & Directions |
| T G Cornwell | 01992 716937 | | 8 Monkswood Avenue , Waltham Abbey, EN9 1LB | | Map & Directions |
| S C Electrics | 020 8360 9533 | | 59 Edenbridge Road, Enfield, EN1 2HS | | Map & Directions |
| Juno Electrical Services Ltd | 020 8362 9914 | | 55 Worcesters Avenue, Enfield, EN1 4NB | | Map & Directions |
| Parkersell Services Ltd | 020 8364 1210 | | Mitre House, 66 Abbey Road, Enfield, EN1 2RQ | | Map & Directions |
| P M Electrical Services Ltd | 020 8367 6222 | | 37 Ladysmith Road , Enfield, EN1 3AJ | | Map & Directions |
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