| Title | Name | ESB Networks | Ph.No. | Ext.No. | Other Ph.No. |
| CUSTOMER SERVICES MANAGER | Gerry Mooney | Castle Street Sligo. | 071-9149217 | 33217 | |
| Technical Support Manager | Adrien Walsh | Castle Street Sligo. | 071-9149364 | 33231 | |
| Production Support Manager | Pat O'Sulllivan | Castle Street Sligo. | 071-9149231 | 33364 | |
| Area Manager Sligo/Ballina | Pat Kelly | Castle Street Sligo. | 071-9149340 | 33340 | |
| Customer Service Supervisor Sligo | John Garrett | Castle Street Sligo. | 071-9149311 | 33311 | |
| Construction Supervisor Sligo | Ronald Brennan | Castle Street Sligo. | 071-9149268 | 33268 | |
| Engineering Officer Sligo | Tony Mullen | Castle Street Sligo. | 071-9149284 | 33284 | |
| Engineering Officer Sligo | John McCloin | Castle Street Sligo. | 071-9149360 | 33360 | |
| Engineering Officer Sligo | Gerry Garvey | Castle Street Sligo. | 071-9650227 | 50227 | |
| Engineering Officer Sligo | Martin Healy | Castle Street Sligo. | 071-9149204 | 33204 | |
| Engineering Officer Sligo | Jimmy Cunningham | Summer Hill, Carrick-on-Shannon, | 071-9650225 | 50225 | |
| Clerical Support Sligo CSM | Deirdre O'Donohue | Castle Street Sligo. | 071-9149222 | 33222 | 071-49200 |
| Clerical Support Sligo | Anne Maguire | Castle Street Sligo. | 071-9149338 | 33338 | |
| Clerical Support Sligo | Brid Kilfeather | Castle Street Sligo. | 071-9149309 | 33309 | |
| Customer Service Supervisor Ballina | Anthony Noone | Teeling Street, Ballina, Co. Mayo | 096-60212 | 33612 | |
| Construction Supervisor Balllina | Thomas Rowley | Teeling Street, Ballina, Co. Mayo | 096-60227 | 33627 | |
| Engineering Officer Ballina | Martin Morrison | Teeling Street, Ballina, Co. Mayo | 096-60226 | 33626 | |
| Engineering Officer Ballina | Vincent Neary | Teeling Street, Ballina, Co. Mayo | 096-60228 | 33628 | |
| Engineering Officer Ballina | Brian Convoy | Teeling Street, Ballina, Co. Mayo | 096-60214 | 33614 | |
| Clerical Support Ballina | Mary Flynn | Teeling Street, Ballina, Co. Mayo | 096-60202 | 33625 | |
| Area Manager Letterkenny/Killybegs | Brian Hegarty | Port Road, Letterkenny Co. Donegal | 074-9167504 | 33504 | |
| Customer Service Supervisor Letterkenny | Michael O'Malley | Port Road, Letterkenny Co. Donegal | 074-9167512 | 33512 | |
| Construction Supervisor Letterkenny | Tom McGinty | Port Road, Letterkenny Co. Donegal | 074-9167508 | 33508 | |
| Construction Supervisor Buncrana | Hugh Hegarty | Port Road, Letterkenny Co. Donegal | 074-9167503 | 33503 | 074-67503 |
| Engineering Officer Letterkenny | Mary Radestock | Port Road, Letterkenny Co. Donegal | 074-9167505 | 33505 | |
| Engineering Officer Letterkenny | Michael McBrearty | Port Road, Letterkenny Co. Donegal | 074-9167529 | 33529 | |
| Engineering Officer Letterkenny | Horace Friel | Port Road, Letterkenny Co. Donegal | 074-9167507 | 33507 | |
| Engineering Officer Letterkenny | Kenneth King | Port Road, Letterkenny Co. Donegal | 074-9167517 | 33517 | |
| Engineering Officer Letterkenny | Edward McCauley | Port Road, Letterkenny Co. Donegal | 074-9167505 | 33505 | |
| Engineering Officer Letterkenny | Peter McLean | Port Road, Letterkenny Co. Donegal | 074-9167518 | 33518 | |
| Clerical Support Letterkenny | Sandra Connolly | Port Road, Letterkenny Co. Donegal | 074-9167536 | 33536 | |
| Customer Service Supervisor Killybegs | Patrick Connaghan | Main Street, Killybegs, Co. Donegal | 074-9741510 | 41510 | |
| Construction Supervisor Killybegs | Eunan Harvey | Main Street, Killybegs, Co. Donegal | 073-32186 | | |
| Engineering Officer Killybegs | Stephen Sheridan | Main Street, Killybegs, Co. Donegal | 077-62647 | | |
| Clerical Support Killybegs | Frances Dowdigan | Main Street, Killybegs, Co. Donegal. | 073-41501 | 33701 | |
| Area Manager Cavan/Longford | John Byrne | Moynehall, Cavan. | 049-4361006 | 32511 | |
| Customer Service Supervisor Cavan | Michael Hannon | Moynehall, Cavan. | 049-4372522 | | 049-4332920 |
| Construction Supervisor Cavan | Peter Connolly | Moynehall, Cavan. | 049-4372520 | | |
| Engineering Officer Cavan | Chris Smith | Moynehall, Cavan. | 049-4372502 | 32502 | |
| Engineering Officer Cavan | John Costello | Moynehall, Cavan. | 049-4372525 | 32525 | |
| Engineering Officer Cavan | Sean Kelly | Moynehall, Cavan. | 049-4372503 | 32503 | |
| Clerical Support Cavan | Margaret Fannin | Moynehall, Cavan. | 049-4372524 | 32524 | |
| Clerical Support Cavan | Siobhan Mannering | Moynehall, Cavan. | 049-4372514 | 32514 | |
| Customer Service Supervisor Longford | John Clarke | Richmond Street, Longford | 043-45921 | | 043-45921 |
| Construction Supervisor Longford | Thomas Guckian | Richmond Street, Longford | 043-46691 | | |
| Engineering Officer Longford | John Murray | Richmond Street, Longford | 043-43707 | 31707 | |
| Engineering Officer Caban | Brendan Kiernan | Moynehall, Cavan. | 049-4372525 | 32525 | |
| Engineering Officer Longford/Mullingar | Thomas McCormack | Friars Mill Rd Mullingar, Co. Westmeath. | 044-35531 | 31531 | |
| Engineering Officer Longford/Mullingar | Vincent Whelehan | Friars Mill Rd Mullingar, Co. Westmeath. | 044-35516 | 31516 | |
| Production Support Cavan | Margaret Fannin | Moynehall, Cavan. | 049-4372524 | 52524 | |
| Production Support Longford | Ursula Moylan | Richmond Street, Longford | 043-43706 | 31706 | |
| Clerical Support Longford | Ursula Moylan | Richmond Street, Longford | 043-43705 | 31705 | |
