Apex was set up in 1992 to provide specialist drilling services to the South Wales coal industry and since then has rapidly grown and diversified to become one of the major drilling contractors in the UK. The management team and drill crews have a wealth of experience in all aspects of drilling and pride themselves in providing a professional, high quality and cost effective service. Unsurprisingly, the company still specialises in mineral exploration drilling and provides drilling advice and services to all of the major public and private coal prospecting and mining companies across the UK. Through careful strategic acquisitions, Apex now has one of the largest modern fleets of drilling rigs in the UK and has expanded to provide drilling services to site investigation, water well and geothermal (ground source) projects.

Hughes Drilling was established over 30 years ago and remains one of the UK’s leading mineral exploration & environmental drilling companies servicing the UK’s largest quarrying and aggregate firms. With a diverse range of specialized drilling rigs and equipment for low-ground pressure services including sonic and exploration drilling/inclined and directional/core/wireline and conventional/RC drilling, CFA, HSA utilizing triple tube systems. We also specialize in the drilling and installations for geothermal GSHP systems and water boreholes from the small domestic client through to the larger commercial projects. Health and Safety on every project is key, we are proud accredited members of 'Avetta', (formerly PICS), with membership to the Well Drillers Association.

Structural Soils, established in 1964, prides itself on the quality of service it offers and the strong client relationships that it has forged and nurtured over the years. It has evolved into an award winning, national, multidisciplinary, integrated geotechnical and geoenvironmental site-investigation company with the proven capability, capacity and confidence to undertake contracts of any size, in any location and virtually any scope. The company undertakes contracts across the UK and internationally through its offices in Bristol, Castleford, Coventry, Glasgow, Hemel Hempstead, Tonbridge and Wigan. The company operates to an ISO 14001:2015, ISO 9001:2015 and OHSAS 18001:2007 certified management alongside an ISO 17025:2005 and UKAS-accredited laboratory management system.