| Company | Headquarters / Registered Office | Nature of Business | Rank | Map |
| GEOGEM LIMITED |
C/O ARCHWAY ENGINEERING (UK) LTD AINLEYS INDUSTRIAL ESTATE AINLEY BOTTOM ELLAND WEST YORKSHIRE HX5 9JP |
0.0437 | ||
| DRILLING CONTRACTING & ENVIRONMENTAL LIMITED |
c/o BDO LLP 1 BRIDGEWATER PLACE WATER LANE LEEDS WEST YORKSHIRE LS11 5RU |
4512 - Test drilling and boring |
0.0321 | |
| R.E.FIRTH (GROUNDWORKS) LIMITED |
8 WINDMILL GROVE GOMERSALL CLECKHEATON WEST YORKSHIRE BD19 4JL |
4512 - Test drilling and boring |
0.0296 | |
| GLOBAL GEOTECHNICAL SUPPLIES LIMITED |
c/o STEAD ROBINSON LTD SCOTGATE HOUSE 2 SCOTGATE ROAD HONLEY HOLMFIRTH ENGLAND HD9 6GD |
0.0234 | ||
| JASTEC ENTERPRISES LIMITED |
WELLHEAD HOUSE HALL LANE, CHAPELTHORPE WAKEFIELD WEST YORKSHIRE WF4 3JE |
4512 - Test drilling and boring |
0 | |
| ROGERS GEOTECHNICAL SERVICES LIMITED |
UNIT 12 EMLEY BUSINESS PARK LEYS LANE EMLEY HUDDERSFIELD WEST YORKSHIRE HD8 9QY |
4512 - Test drilling and boring 4521 - General construction & civil engineering |
0 |
| Level 1 |
Construction |
| Level 2 |
Specialised construction activities |
| Level 3 |
Demolition and site preparation |
| Level 5 |
Site preparation Test drilling and boring |