Engineers - Electrical in Southend-on-Sea, Essex
| Name & Address | Phone # | Website |
| Angel Controls Ltd 75 Wakering Avenue, Southend-on-Sea, Essex SS3 9BD | 01702 296333 |  |
| Byfield Engineering Ltd Unit 14/Brookside, Southend-on-Sea, Essex SS2 5RR | 01702 466499 |  |
| City Environmental Building Services Grainger House, Southend-on-Sea, Essex SS2 5BZ | 01702 602605 | |
