- Trenchless Technology Specialists Since 1994 - Chiltern Thrust Bore is the UK's premier No-Dig company, specialising in a large range of trenchless applications with a reputation for excellence, reliability and achievement. Trenchless technology is an efficient method for installing pipes and ducts which is both cost effective and environmentally friendly. Whether you require the installation of new services or are upgrading existing ones, we can find the most efficient solution. Wherever the job - railways, watercourses, major roads and more - we can provide a variety of solutions tailored to the specific requirements of each job, from planning through to completion. Chiltern Thrust Bore cover a full range of services, including Horizontal Directional Drilling (HDD), Guided Auger Boring, Pipe Bursting, Rock Drilling and more. Clients include: Network Rail, SSE, Environment Agency, Highways Agency and more. http://www.chilternthrustbore.co.uk