Nomenca Competitors

AECOM is the global infrastructure leader, committed to delivering a better world. As a trusted professional services firm powered by deep technical abilities, we solve our clients’ complex challenges in water, environment, energy, transportation and buildings. Our teams partner with public- and private-sector clients to create innovative, sustainable and resilient solutions throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. AECOM is a Fortune 500 firm that had revenue of $16.1 billion in fiscal year 2024. Learn more at aecom.com.

Thames Water is the UK’s biggest water and wastewater services provider, providing 2.7 billion litres of drinking water and safely removing 4.6 billion litres of wastewater every day. Our people provide essential services around the clock to c.16 million customers across London, the Thames Valley, and surrounding areas. In 2025, we started the biggest upgrade to our network in 150 years, which will see a record-breaking investment of over £20 billion, fixing leaks, reducing pollution and protecting water quality, over the next five years. In 2024/25, we invested £2.2 billion, and we will continue to spend wisely on improving resilience, service, and efficiency, as well as provide more support for customers in vulnerable circumstances. We also have additional responsibilities to society and the natural environment. What we do and how we do it delivers significant public value, which is why we have ambitious plans to self-generate more of our own power, reduce our carbon emissions and increase biodiversity across our sites.

United Utilities provides water and wastewater services to around seven million people in the North West of England supplying 3million households and 200,000 business premises. We manage the catchment land around our reservoirs to safeguard the quality of the raw water we collect and store. We then treat and deliver it to our customer's taps - around 1,500 million litres a day We also collect wastewater from our customers and surface water from roads and highways, treat it at our wastewater treatment works before returning it back safely to the environment. In order to do this we have: - 184 reservoirs - over 42,000 km of water pipes, from Cumbria to Cheshire - over 72,000 km of sewers - over 1,400 km of aqueducts - 100 water treatment works - 575 wastewater treatment works - 57,000 hectares of catchment land