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

Certified companies