| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BROOMCO(4236) LIMITED | 07632636 | 12/05/2011 | Dissolved |
| BUCHAN CONCRETE PRODUCTS LIMITED | 08297447 | 05/11/2015 | Amber |
| BUCHAN CONCRETE SERVICES LIMITED | 09441768 | 16/02/2015 | Dissolved |
| BUCHAN CONCRETE SOLUTIONS LIMITED | 05431308 | 26/11/2013 | Dissolved |
| BUCHAN CONSTRUCTION LIMITED | 09478175 | 09/03/2015 | Dissolved |
| BUCHAN UNDERGROUND PRODUCTS LIMITED | 09441715 | 16/02/2015 | Dissolved |
| CAMBIUM (HOLDINGS) LIMITED | 11643985 | 26/10/2018 | Not Trading |
| CAMBIUM CONSTRUCTION LIMITED | 11801129 | 01/02/2019 | One Red Flag |
| CAMBIUM FINANCE LIMITED | 11801152 | 01/02/2019 | Not Trading |
| CAMBIUM PROPERTIES LIMITED | 11801169 | 01/02/2019 | Not Trading |
| CHARGILL CHL (HOLDINGS) LIMITED | 11644585 | 26/10/2018 | Bronze |
| CHARGILL PROPERTIES (HOLDING) LIMITED | 11331513 | 26/04/2018 | Silver |
| CHARGILL PROPERTIES LTD | 07678794 | 26/11/2013 | One Red Flag |
| GEOTECHNICAL EXPERTS LIMITED | 10030284 | 27/02/2016 | Silver |
| LEEVAN LIMITED | 12428748 | 28/01/2020 | One Red Flag |
| MARGILL PROPERTIES LIMITED | 11775223 | 18/01/2019 | One Red Flag |
| PILE CROPPERS LIMITED | 09051040 | 21/05/2014 | Dissolved |
| Vb Plant Ltd | 04594333 | 03/01/2003 | Dissolved |
| Vibro Services Ltd | 04401679 | 15/01/2003 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ANVIL HIRE LIMITED | 02796436 | 26/11/2013 | 24/01/2019 | One Red Flag |
| BACHY LIMITED | 03383587 | 04/12/2006 | 21/11/2012 | Not Trading |
| BACHY SOLETANCHE HOLDINGS (EUROPE) LIMITED | 04636339 | 28/01/2004 | 21/11/2012 | Silver |
| BACHY SOLETANCHE HOLDINGS LIMITED | 02019020 | 01/02/2002 | 21/11/2012 | Dissolved |
| BACHY SOLETANCHE LIMITED | 00752082 | 01/01/2003 | 21/11/2012 | Silver |
| BACHY SOLETANCHE OVERSEAS LIMITED | 02774116 | 01/12/2006 | 21/11/2012 | Dissolved |
| CAMBIUM DEVELOPMENTS LIMITED | 11800863 | 01/02/2019 | 19/07/2022 | One Red Flag |
| CHARGILL (HOLDINGS) LTD | 07664360 | 26/11/2013 | 26/11/2013 | One Red Flag |
| CHARGILL LTD | 07378542 | 26/11/2013 | 07/07/2020 | One Red Flag |
| EUROPILE LIMITED | 02400191 | 30/09/2009 | 21/11/2012 | Dissolved |
| GAGE TECHNIQUE INTERNATIONAL LIMITED | 03650488 | 20/01/2006 | 21/11/2012 | Dissolved |
| HEARTHCOTE PROPERTY SERVICES LIMITED | 02008999 | 30/09/2009 | 21/11/2012 | Bronze |
| MENARD LIMITED | 02740512 | 08/11/2006 | 21/11/2012 | Gold |
| NUVIA LIMITED | 02063786 | 26/03/2010 | 30/11/2012 | Bronze |
| ROGER BULLIVANT LIMITED | 07681731 | 28/07/2011 | 21/11/2012 | Gold |
| SIMPLEX FOUNDATIONS LIMITED | 04269081 | 09/02/2009 | 21/11/2012 | Dissolved |
| SIMPLEX PILING LIMITED | 04269109 | 09/02/2009 | 21/11/2012 | Not Trading |
| SIXENSE LIMITED | 02667726 | 13/02/2008 | 21/11/2012 | Bronze |
| SOIL ENGINEERING GEOSERVICES LIMITED | 02727976 | 30/09/2009 | 21/11/2012 | Bronze |
| SOIL ENGINEERING LIMITED | 02306246 | 30/09/2009 | 21/11/2012 | Not Trading |
| SOLETANCHE FREYSSINET IT UK LIMITED | 04968274 | 28/01/2004 | 21/11/2012 | Gold |
| SOLETANCHE LIMITED | 02287521 | 30/09/2009 | 21/11/2012 | Not Trading |
| SPECIALIST TUBE SUPPLIES LIMITED | 04987605 | 26/11/2013 | 28/01/2019 | Bronze |
| THE FEDERATION OF PILING SPECIALISTS | 01296219 | 16/02/2006 | 01/05/2014 | Gold |
| VIBRO FOUNDATIONS LIMITED | 04401648 | 11/09/2002 | 01/07/2006 | Dissolved |
| VIBRO GROUP LIMITED | 02076646 | 08/11/2006 | 21/11/2012 | Gold |
| VIBRO MENARD LIMITED | 03251664 | 08/11/2006 | 21/11/2012 | Not Trading |
| VIBRO PILING LIMITED | 04741138 | 08/11/2006 | 21/11/2012 | Dissolved |
| VIBROFLOTATION CONTRACTS LIMITED | 03332466 | 08/11/2006 | 21/11/2012 | Not Trading |
| WEDLOW DEVELOPMENTS LIMITED | 05416535 | 08/11/2006 | 21/11/2012 | Not Trading |
| WESTPILE LIMITED | 04995370 | 28/01/2004 | 21/11/2012 | Not Trading |