Energy Services Companies. Contractors and Service Providers

PPSL is a leading designer, supplier, and installer of pre-insulated pipes for district heating, cooling and steam networks.

We are a Design & Build Mechanical Contractor offering turnkey solutions for energy centres, district heating, decarbonisation & full mechanical services packages.

For over 50 years Watkins has been a leading provider of Mechanical, Electrical and Plumbing services in London and SE England. With a workforce of over 200 highly trained, knowledgeable and committed staff, we provide the complete M&E solution for some of the UK's largest construction projects. Specialising in residential and commercial sectors.

At Burns & McDonnell, our engineers, construction professionals, architects, planners, technologists and scientists do more than plan, design and construct. With a mission unchanged since 1898 — make our clients successful — our team partners with you on the toughest challenges, constantly working to make the world an amazing place.

Plenary is an independent long-term investor, developer and manager of public infrastructure, specialising in greenfield infrastructure projects, local development and asset management. Plenary is developing and managing a portfolio of over 80 assets globally with a total value exceeding £42 billion.

Founded in December 1999, with several offices across North London, GEM has become one of the fastest growing and most reliable building & maintenance companies across London and the South-East. Through its in-house engineering and service delivery expertise, GEM can help organisations of any size. We provide market-leading solutions and expertise as a managed service to deliver real, quantifiable value to our clients.

Data Energy is a specialist metering and billing partner providing support to building owners and managing agents, aiding compliance with the Heat Network (Metering and Billing) Regulations. Using enhanced data collection and reporting processes, Data Energy allow operators of heat networks to understand how their systems are performing on a real time basis.

TrentENERGY was established in 2010 and is firmly recognised as a well established and highly adaptable construction business with an agile approach that is embedded in the heart of everything we do. Their team comprises of experienced chartered civil engineers, accredited project managers, commercial, legal and compliance managers with a combined 100+ years of professional services experience.

Hydro X was established in 1984 in the UK and is a UK owned company with links to fifty Hydro-X companies worldwide. The international network ensures Hydro-X remains at the cutting edge of Water Treatment products, services and solutions.

Durotan are specialist suppliers and installers of pre-insulated heating and cooling distribution pipes. They recognise that there is a no ‘one size fits all’ solution to a project. Established in 1978, Durotan are the oldest and most experienced specialist in plastic cased medium and low temperature systems in the UK and Ireland. They have been involved in more than 5000 projects across a broad spectrum of clients in both public and private sectors.