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| Northern Ireland |
| Civil Engineers in Belfast |
| Taylor & Boyd - Malone Av |
| Civil Engineers in Castlederg |
| R J McKelvey Ltd - Carrickdartans Road |
| Civil Engineers in Downpatrick |
| Phillips J - a St Patricks Av |
| Civil Engineers in Dungannon |
| Harte P J - Tullyglush Road, Seskilgreen |
| Civil Engineers in Enniskillen |
| Carty P & Sons (Sunnyside Garrison) Ltd - Sunnyside Garrison, Ross, Garrison |
| Civil Engineers in Lisburn |
| Earney Contracts - Comber Road |
| Civil Engineers in Maghera |
| McKenna P B - Glen Road |
| McKenna P B - Glen Road |
| Civil Engineers in Newtownards |
| Johnston Robert J - Greyabbey Road, Ballywalter |
| Kennedy Pile Testing Ltd - Moss Road, Millisle |
| Civil Engineers in Omagh |
| Hackett Bros - Cormore Road, Eskra |
| Mills Contracts - Drumlish Road, Dromore |
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