Certified companies

O'Gara Contracts Limited
NI 1738/13

O'Hanlon Bros Construction Limited
NI 0445/04

O'Hanlon Electrical Ltd
NI 1737/13

Omagh Aluminium Systems Ltd
NI 1454/11

Omega Mechanical Services Limited
NI 0052/02

On Track Technicians Ltd
NI1963/17

Original Heating Limited
NI1599/13

P & D McMahon Contracts Ltd
NI 1782/14

P & K McKaigue Limited
NI 1043/08

P & L Electrics Limited
NI 0600/04

P & M Excavations
NI 1812/14

P Diamond Contracts
NI 1822/14

P J Conway (Contractors) Limited
NI 0006/01

P J Treacy & Sons Ltd
NI 0741/05

P M Plumbing & Heating Services Limited
NI 1572/12

P McColgan & Sons Limited
NI 0479/04

P McK Limited
NI 1670/13

P McVey Mobile Buildings Ltd
NI1921/16

P Quigley & Son Limited
NI1992/18

Pat McCorley Mechanical Services Ltd
NI 1353/10

Patton Electrical Ltd
NI 1281/09

Paul Watters Electrical Contracts Ltd
NI 2007/18

Peter Fitzpatrick Ltd
NI 0471/04

Peter Maxwell Electrical
NI 1567/12

Peter McErlain Limited
NI 0644/05

Peter O'Hare Limited
NI 0032/02

PG Contracts (NI) Ltd
NI 1730/13

PHACE Contracts Ltd
NI 1580/12

Philip McElhone Construction Limited
NI 1055/08

Pietre Naturali Limited
NI1916/16

Pipeline Mechanical Services Limited
NI 0410/04

Pipeline Services
NI 0194/03

Playing Fields & Garden Services Ltd
NI 0280/04

PMD Contracts Ltd
NI 1698/13

Precision Mechanical Contractors Limited
NI 0229/04

Premier Electrics Limited
NI 0429/04

Pronet Safety Services
NI 1554/12

Provincial Developments & Services Ltd
NI 1493/12

Prunty Contracts Ltd
NI 1757/14