Certified companies
Visit this page to view the list of all the current certified companies within Safe-T-Cert.
3 Interior Contracts Ltd
NI 1365/10
A & M Haughian Ltd
NI 1696/13
A E S Marconi
NI 0570/04
A M Electrical Services NI Ltd
NI 1611/13
A McKee & Co Limited
NI 1743/14
A-One Shuttering Limited
NI1942/17
Abbey Medicare (NI) Ltd
NI 1723/13
Abbey Roofing Specialists Limited
NI 1449/11
Abraham Tree Maintenance
NI 1590/13
Access Scaffolding Co (NI) Ltd
NI 1553/12
Adair Building Services Ltd
NI 0732/05
Advanced NI Scaffolding Ltd
NI 1721/13
Aircon Sales and Service
NI 0546/04
Alan Clarke Joinery Works Ltd
NI 1512/12
Alan Lewis Displays Limited
NI 1129/08
Alexander Bonar & Co Ltd
NI 0456/04
Alexander Rankin & Son Limited
NI 0434/04
All-Brite NI Ltd
NI 1630/13
Allison Electrical Contracts Ltd
NI 0072/03
Alskea Contracts Ltd
NI 1224/09
AMG Contracts
NI 1717/13
Ampion Limited
NI 0839/06
Amtec Electronics Ltd T/A King Security
NI 1536/12
Anderson Haulage Limited
NI 1444/11
Anderson Interiors Ltd
NI 1350/10
Andrew Bradley Limited
NI 0510/04
Annett Landscaping Limited
NI 0466/04
Annvale Construction Ltd
NI 0586/04
Antrim Electrical & Mechanical Engineers Limited
NI 0262/04
Asbestos Abatement Environmental Services Ireland Ltd
NI 1367/10
Ascot Signs Limited
NI 0345/04
Ashgrove Contract Furniture Ltd
NI 1576/12
Ashleigh (NI) Ltd
NI 0769/06
Atmac Construction Limited
NI1930/17
Aughrim Building Company Ltd
NI 1142/08
B H Glazing Systems Ltd
NI 0213/03
B J Construction
NI 1194/09
B L Shutters Ltd
NI 1644/13
Ballymore Civils Ltd T/A Ballymore Services Ltd
NI 1857/15
Bann Architectural Systems Ltd
NI 1716/13
Barrett Contracts Limited
NI1932/17
Bateson Bros
NI 1694/13
Bavan Contracts Ltd
NI 0971/07
BDS Contracts
NI 1429/11
Beam Property Services Ltd
NI 1420/11
Bell Contracts & Co Ltd
NI 0575/04
BHP Alarms Ltd
NI 1459/12
Black Box Network Services (UK) Ltd
NI 0729/05
Blackthorn Contract Furniture
NI 1736/13
BM Flooring
NI 1403/11
BMC Construction Ltd
NI 0285/04
BMK Contracts Limited
NI 1636/13
Bowman Windows Ltd
NI 1832/15
Boyd Landscapes Ltd
NI 0158/03
Bradley Construction
NI 0209/03
Braham Electrical
NI 0458/04
Braid Electrical Services Ltd
NI 0147/03
Breezemount Electrical & Hydraulics Ltd
NI 0622/04
Brendan Loughran & Sons Ltd
NI 0521/04
Brian Owens Contracts Limited
NI 1009/07
Brian Quinn Contracts
NI 0625/04
Britannia Electrical Services
NI 1566/12
Brookvent
NI 1494/12
BSG Civil Engineering Limited
NI 0130/03
BW Homes & Construction Ltd
NI 0033/02
C & B McErlean Ltd
NI 1868/15
C & H Electrical Ltd
NI 1682/13
CAM Lifts
NI 0735/05
Cameron Landscapes Limited
NI 1834/15
Canavan Construction Ltd
NI 0720/05
Carlin Construction & Joinery Limited
NI 0628/05
Carlin Decorators Ltd
NI 0199/03
Carn Developments Limited
NI 1783/14
Carnanbane Building Contractors Ltd
NI 1239/09
Carncastle Properties Ltd
NI 1421/11
Carr Brothers Ltd
NI 0266/04
Catering Equipment Specialists (NI) Ltd
NI 1587/13
Centre for Archaeological Fieldwork
NI 1497/12
Chris Doherty Electrics
NI 1291/09
Chubb (NI) Limited
NI 1392/11
City Contract Cleaners
NI1312/10
CivCo Ltd
Ni 1806/14
Clarke Road Contracts Limited
NI 1122/08
Classiques Floor Design Ltd
NI 0676/05
ClearAv Limited
NI 1304/10
Cleary Contracting Limited
NI 0545/04
Clerk Fencing Limited
NI 1141/08
Clive Richardson Limited
NI 0319/04
CM Structural Services Limited
NI 1438/11
Combined Facilities Management Ltd
NI 0056/02
Con O'Neill
NI 1232/09
Connolly & Fee Limited
NI 0227/04
Construction Joints Limited
NI 1662/13
Conwell Contracts (UK) Limited Conwell Contracts (ROI) Limited
NI 0820/06
Conwell Roofing Contracts Ltd
NI 1733/13
Coyle Suspended Ceilings Limited
NI 1676/13
Crane Communications Limited
NI 0757/05
Crawford Contracts Group Ltd
NI1882/16
Cuan Marine Services Limited
NI1944/17
Cunningham Contracts Ltd
NI 1368/10
Curran Contracts Ltd
NI 1262/09
D & J Generators Limited
NI 1327/10
D & S Contracts Limited
NI 1841/15
D B Building Contracts Limited
NI 1087/08
D G Green & Sons
NI 0931/07
D Hooke Contracts
NI 1707/13
D J Dickson Limited
NI 0136/03
D M G Electrics Limited
NI 0709/05
D Martin Building Contracting
NI 0919/07
D Roulston & Sons
NI 0523/04
D V Ferry Building Services Ltd
NI 1167/08
D-Scaff Ltd
NI 1548/12
DAC Contracts NI Limited
NI 1513/12
Daly Developments Limited
NI 1869/15
Dan Mooney Plumbing & Heating Services Ltd
NI 1823/14
David Jameson Roofing Services Ltd
NI 1397/11
David Kerr Roofing Ltd
NI 0375/04
Dawson-Wam Limited
NI 0064/03
DC Construction Limited
NI1955/17
DC Piling Ltd
NI 1592/13
DCM Contracts LLP
NI1961/17
Deane Public Works Ltd
NI 0144/03
Demesne Contracts Ltd
NI 1539/12
Derby Builders
NI 0898/06
Devlin Mechanical Limited
NI 0302/04
Diamond Electronic Systems Limited
NI 0643/05
Digital Fire & Security (NI) Ltd
NI 1404/11
Direct Electrical Services Ireland Ltd
NI 1463/12
Disten Property Maintenance Ltd
NI 1205/09
DJV Insulations Ltd
NI 0603/04
Dobbin Contracts
NI 0948/07
Dolan Decorating Ltd
NI 1189/09
Down Developments Ltd
NI 0513/04
DPC Contracts (NI) Ltd
NI 1725/13
Drum Brickworks Limited
NI 1938/17
DSK Contracts Limited
NI1939/17
Duct & Scientific Services Limited
NI 0391/04
E C Construction Ltd
NI 0795/06
E Quinn Contracts Ltd
NI 1467/12
E R M Mechanical Services Ltd
NI 0153/03
Earney Contracts Limited
NI 0124/03
Eden Decorators Limited
NI 0991/07
Edgeline Metal Roofing Limited
NI 1789/14
EJC Contracts Ltd
NI 1578/12
Electronic and Security Services Ltd
NI 1752/14
Ellison Landscape Solutions Limited
NI 0242/04
Elvis Kirk Contracts
NI 0817/06
Engineering Services Electrical Limited
NI 0053/02
Environmental Fabrications Ltd
NI 0142/03
Environmental Techniques Limited
NI 1476/12
Ernest Watt & Sons
NI 0910/07
Euro Control Panel Specialists Ltd
NI 0828/06
Evolution Healthcare Limited
NI 1373/10
F A L Contracts
NI 1681/13
F G Plumbing & Heating
NI1911/16
F M Construction Services Ltd
NI 0245/04
Farrans Construction T/A a division of Northstone (NI) Limited
NI 0013/01
Farrimond MacManus Limited
NI 1923/16
Feeney Electrical Limited
NI 0698/05
Felix O'Hare & Company Limited
NI 1524/12
Fleville Brothers Limited
NI 1860/15
Focus Security Solutions (NI) Ltd
NI 1863/15
Forbes Contracts
NI 1777/14
Foyle View Builders Limited
NI 0515/04
Francis & Kevin P Smyth
NI 0443/04
Francis Haughey Building & Civil Engineering Contractor
NI 0815/06
FSP Alarms Limited
NI 1434/11
Fusion Heating Limited
NI 0765/05
G D Henderson Construction Ltd
NI 1830/15
G F Wilson
NI 0660/05
G G Dineley & Sons
NI 0482/04
G L Electrics
NI 1383/10
G Neely Construction
NI1953/17
G2 Environmental Services Ltd
NI 1746/14
Gahan & Long Ltd
NI 0457/04
Gallagher & McKinney Ltd
NI 1110/08
GATE Interiors Limited
NI 1557/12
GBS Roofing Limited
NI 002/01
Geda Construction LLP
NI 0096/03
General Engineering & Maintenance Services
NI 1811/14
Gerald Love Contracts
NI 0170/03
Gibson (Banbridge) Limited
NI 0221/04
Gilbert-Ash Limited
NI 0040/02
Glenvale Waste Limited
NI 1448/11
Glenview Contracts Limited
NI 1101/08
Global Automation Ltd
NI 1506/12
GOH Electrical Contracts Limited
NI 1705/13
Graham Projects Ltd
NI 0019/01
Greenwood Specialist Joinery Ltd
NI 1615/13
Grinan Contracts
NI1925/16
H & J Martin Limited
NI 0022/01
H & M Services - Energy Solutions
NI 1377/10
H D Floors & Furniture
NI 0986/07
H Gilmore & Sons
NI 1341/10
H M Electrics Limited
NI 0671/05
H McLarnon & Son Limited
NI 0819/06
Handley Heating Services
NI 0301/04
Hardwood Developments Limited
NI 1720/13
Harold Graham Building Contractor & Plant Hire
NI 1695/13
Harrison Contracts NI Ltd
NI 1763/14
Hawthorn Heights Limited
NI 1258/09
Henry Brothers (Magherafelt) Ltd
NI 0003/01
Heron Brothers Ltd
NI 0123/03
Hollandale Projects Limited
NI 1982/18
Homeseal Energy Savings Ltd
NI 1672/13
Horton Electrical Services Ltd
NI 1792/14
Houtman Scaffolding
NI 1759/14
HTC Mechanical Services Ltd
NI 0883/06
Hugh Griffin & Sons Ltd
NI 1184/09
Hugh J O'Boyle Ltd
NI 0055/02
Hunter Electrics Limited
NI 0489/04
Ian Short Plumbing & Heating Ltd
NI 1068/08
ICB Emulsions Ltd
NI 0150/03
IMAC Construction Services Limited
NI 0760/05
Instant Property Maintenance Ltd
NI 1210/09
Irwin Electrical Services Limited
NI 0544/04
J & A Construction (NI) Limited
NI 1163/08
J & G Hamilton Ltd
NI 1639/13
J & J Mowbray Limited
NI 1466/12
J & M Begley (Building Contractor) Ltd
NI 0238/04
J & S McKee Ltd
NI 1321/10
J A Gamble & Company Limited
NI 0703/05
J F C Construction Limited
NI 0641/05
J J Hennebry & Son Ltd
NI 0889/06
J P M Contracts Ltd
NI 0183/03
James Haughey & Company
NI 1813/14
James J Rice
NI 0309/04
James Stevenson (Quarries) Ltd
NI 1547/12
Jamieson Electrical Technologies Limited
NI 1417/11
JBC Security Services Ltd
NI 1565/12
JDC Joinery and Building Works
NI 0509/04
Jeffers Plumbing & Heating
NI 1767/14
JFM Construction Ltd
NI 0087/03
JMC Mechanical & Construction Limited
NI 0572/04
JMCM Ltd T/a JMCM Group
NI 1432/11
JMG Mechanical Services Ltd
NI 0108/03
John Doherty Contracts (NI) Ltd
NI 0557/04
John Hunter Glazing
NI 0344/04
John McNaught Electrical Contractor
NI 0691/05
John P Brannigan T/A SJB Construction NI
NI 1423/11
John Tinnelly & Sons Ltd
NI 0393/04
Johnston Construction
NI 1286/09
JPS Construction
NI 1774/14
K & J Formwork Ltd
NI 1821/14
K J M Electrical Limited
NI 1919/16
K P F Building & Civil Engineering Ltd
NI 1499/12
K S Electrics NI Ltd
NI 1475/12
K-Lite Ltd
NI 0774/06
Kage Engineering (NI) Limited
NI 1634/13
Kanes Construction Ltd
NI 1140/08
Kelly Brothers Building Contractors LLP
NI 0353/04
Kelly Mechanical Services
NI 1800/14
Kelly, McEvoy & Brown
NI 1242/09
Kernaglee Electrical Services Ltd
NI 1788/14
Keymore Construction Ltd
NI 1523/12
Kilmoon Trading Ltd
NI 1735/13
KMDL Engineering (NI) Ltd
NI 1329/10
Konnect M & E Limited
NI 0787/06
L G Contracting Limited
NI 1833/15
L J Millar & Sons Ltd
NI1949/17
Larsen Contracts Limited
NI 1355/10
Leadon Timber Frame Ltd
NI 1495/12
Lenagh Construction
NI 1371/10
Leo Matheson Ltd
NI 1880/15
Lilburn Contracts
NI 0014/01
Lisburn Astral Ltd
NI 0835/06
Longmore Electronics Ltd
NI 0748/05
Louerne Construction Limited
NI 0054/02
Lough Shore Plumbing & Electrical Ltd
NI 1845/15
Lowry Building & Civil Engineering Limited
NI 0507/04
Lowry Construction Ltd
NI 1563/12
M & G Carroll Ltd t/a M J C Electrical
NI 1123/08
M & K Electrical Limited
NI 0248/04
M & L Contracts NI Limited
NI 1322/10
M & N Contracts Ltd
NI 1628/13
M & P Bradley Limited
NI 0402/04
M D Electrical Limited
NI 0767/05
M D K Construction Limited
NI 1675/13
M E Crowe Limited
NI 0993/07
M F Contracts Ltd
NI 1728/13
M McG Roadmarks Ltd
NI 1643/13
M McIlwaine & Sons
NI 1480/12
Mac Core Limited
NI 1796/14
Mac Electrics Ltd
NI 0307/04
MacWaste Ltd
NI 0527/04
Maghera Developments Limited
NI 1144/08
Mainline Contracts Ltd
NI1913/16
Mamo Building Services Limited
NI 1885/16
Marcon Fit-Out Ltd
NI 1689/13
Marrs Maintenance Services Ltd
NI 1546/12
Martin & Hamilton Limited
NI 0206/03
Matheson Contracts LLP
NI 0195/03
Maurice Flynn & Sons Ltd
NI 0035/02
McAleer & McGarrity Limited
NI 0379/04
McAleer & Rushe Contracts UK Limited
NI 0403/04
McAleer & Teague Ltd
NI 0138/03
McChrystal Brothers
NI 0470/04
McCombe NI Ltd T/a McCombe Bros (Antrim)
NI 0146/03
McCormack Site Services (Ireland) Limited T/A McCormack Demolition
NI 0111/03
McCormick Contracts Ltd
NI1959/17
McCrory Access Solutions Ltd
NI 1883/16
McCusker Contracts
NI 1178/09
McCusker Demolition Ltd
NI 1520/12
McElwaine Security Services Ltd
NI 0667/05
McErlean Associates Ltd (MEA Ltd)
NI1999/18
McErlean Associates Ltd (MEA) Ltd
NI 1999/18
McEvoy Electrical Ltd
NI 1442/11
McGinnis Developments Limited
NI 1745/14
McGrady Contracts
NI 1879/15
McGuigan Construction Limited
NI 0265/04
McGuinness Plumbing
NI 1786/14
McKay Plumbing & Heating
NI 1620/13
McKinley Contracts Ltd
NI 1501/12
McLoughlin Contracts
NI 1764/14
McMackin Contracts Ltd
NI 1290/09
McNicholl Hughes
NI 0505/04
McVeigh Contracts Ltd
NI 1744/14
Meritcom Ltd
NI 1237/09
MFE Ltd
NI 1472/12
Michael Donaghy Painting & Decorating Contractors Ltd
NI 0526/04
Michael Mallon & Sons Contracts
NI 0376/04
Michael McGinn Mechanical Ltd
NI 1559/12
Michael Nugent Limited
NI 0399/04
MIDD Electrical Limited
NI 1896/16
Mill Contracts Limited
NI 1819/14
Mills Contracts Limited
NI 1057/08
MKB Contracts Ltd
NI 1569/12
MMM Design & Build Ltd
NI 0938/07
Moffitt & Robinson Construction Ltd
NI 1171/09
Montgomery Refrigeration Limited
NI 0550/04
Morrow Contracts Limited
NI 0060/03
Moss Construction (NI) Limited
NI 0192/03
Mountainview Services (Armagh) Ltd
NI 1852/15
Mourne Roads Ltd (Kilkeel)
NI 1595/13
Mourne Windows & Doors
NI 1780/14
MR Mechanical Services Ltd
NI1878/15
MSM Contracts Limited
NI 0113/03
Mulla Construction Limited
NI 0653/05
Mullinsallagh Ltd t/a O B Construction
NI 0716/05
Murray & McEvoy Ltd Electrical Contractors
NI 1391/11
N & A Construction Ltd
NI 1762/14
N A Spence Electrics
NI 0798/06
N C C Systems Limited
NI 1372/10
N K Fencing Limited
NI 0415/04
Nealon Contracts Limited
NI 1978/18
Nevin Electrics Limited
NI 1534/12
Newpark Developments Limited
NI 1929/17
Nicor Construction
NI 1145/08
Noel Garrity Painting Contractor
NI 0178/03
Noel McQuaid & Son Ltd
NI 0995/07
Nor-Den Electrical
NI 0469/04
Norlect Engineering (UK) Ltd
NI 0347/04
Northern Archaeological Consultancy Ltd
NI 1818/14
Northern Excavators Ltd
NI 1697/13
Northern Tree Services Limited
NI 1481/12
Northwest Mechanical Services Ltd
NI 0714/05
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
Parker Residential Limited
NI 1814/14
Pat McCorley Mechanical Services Ltd
NI 1353/10
Patton Electrical Ltd
NI 1281/09
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
Q B Contracts Ltd
NI 1435/11
Quinn Piling Limited
NI 1424/11
Quinn Utilities (NI) Ltd
NI 1826/15
R A & D Cochrane Bros Ltd
NI 0261/04
R A O'Neill Plant Hire Ltd
NI 1754/14
R J Coulter
NI 0303/04
R J Smyth Engineering Limited
NI 1755/14
R Loughlin Electrical Services
NI 0234/04
R T Boyd & Co Ltd
NI 0538/04
Rahoran Limited
NI1910/16
Rainey Specialists Contractors Limited
NI1904/16
Raptic Limited
NI 1847/15
Reay Thompson (Belfast) Ltd
NI 1741/14
REI Services Ltd.
NI 1529/12
Retain Solutions Ltd
NI 1640/13
RGM Construction Ltd
NI 1374/10
RMC Building Servicdfes Ltd
NI1951/17
Robert Walsh Builders Ltd
NI 1809/14
Robin Hill Construction
NI1941/17
Robinson Roofing Limited
NI 0836/06
Rogers Fencing Supplies Ltd
NI 1431/11
Romac Civil Engineering Ltd
NI 1395/11
Roofscape Limited
NI1874/15
Rowallane Construction Ltd
NI 1507/12
Roxborough Plant & Construction Limited
NI 1790/14
S & D Property Maintenance
NI 1498/12
S G Stirling Glazing & Window Contractors
NI 1001/07
S M Cuffey Landscapes
NI 0258/04
Saintfield Window Systems Ltd
NI 0962/07
Scan Alarms & Security Systems (UK) Ltd
NI 1491/12
Scott & Ewing Limited
NI 0081/03
Scrabo Contracting Limited
NI 1441/11
Sean McGlone Ltd
NI 0342/04
Sean Quigley Contracts Ltd
NI 1844/15
Sean Quigley T/A Quigley Contracts
NI 1827/15
Select Services (NI) Ltd
NI 0824/06
Setanta - The Construction Company Ltd
NI 1039/08
SGBD T/A J P Corry (Doors & Washroom Division)
NI 1581/12
Shannon Site Solutions Ltd
NI 1722/13
Sharpe Mechanical Services
NI 0212/03
Sharpe Ventilation Services Limited
NI1948/17
Sheridan M & E Ltd
NI 1319/10
Smyth Steel Limited
NI 0665/05
Solmatix Ltd
NI 1470/12
SP Group (Solar)
NI 0253/04
Specialised Electronic Services Ltd
NI 1486/12
Specialised Fire And Security Limited
NI 1855/15
Springwell Construction
NI 1462/12
St Judes Plant & Civil Engineering Ltd
NI 1465/12
Stephen Magee Electrical
NI 1308/10
Stephens Catering Equipment Co Ltd
NI 1588/13
Stewart & McConnell (Derry) Ltd
NI 1837/15
Stothers M & E Limited
NI 0175/03
Stronghold Preservation
NI 1711/13
Super Seal Window Systems
NI 1538/12
System Controls Limited
NI 1180/09
T A Electric Co Ltd
NI 0442/04
T Chambers & Sons (E) Limited
NI 0085/03
T D L Groundworks Limited
NI 1389/11
T D McKane & Son
NI 0070/03
T G Eakin & Sons
NI 0407/04
T K Brolly Enterprises Ltd
NI 0853/06
T O'Connell & Sons
NI 0190/03
Tal Limited
NI 0048/02
Tandragee Roofing Company
NI 1514/12
Terra Solutions Ltd
NI 1083/08
The McAvoy Group Limited
NI 0100/03
Thomas Hamill & Sons
NI 1266/09
Thomas Hanna & Co Ltd
NI 0983/07
Thyssenkrupp Elevator UK Ltd (N.Ireland)
NI 1677/13
Tonagh Electrics Limited
NI 1669/13
Tornanrock Limited T/A H Devlin Contracts
NI 1801/14
Traad Nurseries Limited
NI 1937/17
Tracey Brothers Limited
NI 0017/01
Trainor Stone & Tile Limited
NI 1888/16
Treanor Electrical Ltd
NI 1143/08
Tully Farm Holdings Limited T/A Contract Services
NI1902/16
Tyrone Formwork Limited
NI1907/16
Vaughan Engineering Services Ltd
NI 0143/03
Victor Gordon & Son Ltd
NI 1369/10
Victoria Mechanical Services Ltd
NI 0685/05
Vincent Quinn
NI 1594/13
W & C Glazing Contractors Limited
NI 0669/05
W & R Moore Construction Ltd
NI 0551/04
W J & H Crozier
NI 0079/03
W K K Electrical Services Ltd
NI 0624/04
W M Controls Limited
NI 1840/15
W R Jenkins & Company Limited
NI 0867/06
Walsin Limited
NI 0968/07
Wateresq Limited T/A Nu Line Utilities
NI 1116/08
Waterworx Pipeline & Civils Limited
NI1977/17
White Underfloor Heating Ltd
NI 1699/13
William Doherty Construction
NI 1040/08
William Wilson Electrical Systems
NI 1795/14
Wilson & Mawhinney Limited
NI 0430/04
Windell Limited
NI 1053/08
Woodburn Engineering Contracts Ltd
NI 1614/13
Woodvale Construction Company Limited
NI 0080/03
Workman Lifts
NI 0705/05
Worksafe Electrical Services Ltd
NI 1549/12
Wray Engineering
NI 1761/14