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View Four H Group's top competitors like ADI® Systems, an Evoqua brand, Aqua-Aerobic Systems, Inc., and Aqualia.

Aqualia
Aqualia es la cuarta empresa de gestión del agua de Europa y la novena del Mundo por población servida, según el último ranking de Global Water Intelligence (diciembre de 2024). En la actualidad presta servicio a 45 millones de personas y estamos presentes en 19 países: Argelia, Arabia Saudí, Colombia, Chile, Egipto, Emiratos Árabes, España, Estados Unidos, Francia, Georgia, Japón, Italia, México, Omán, Perú, Portugal, Qatar, República Checa y Rumanía. Aqualia ofrece al mercado todas las soluciones a las necesidades de las entidades y organismos públicos y privados, en todas las fases del ciclo integral del agua y para todos los usos: humano, agrícola o industrial. Su actividad principal la gestión de Servicios Municipales del agua. Los más de 12.000 profesionales que componen Aqualia contribuyen con su trabajo diario a la gestión eficaz y sostenible de un bien público de primera necesidad como es el ciclo integral del agua. Más info: www.aqualia.com
ES
Private
$122.7M Revenue
http://www.aqualia.com
2.2K Employees
Veolia
Veolia, a global leader in environmental services, works every day to build environmental security for the benefit of public health and the competitiveness of industries and regions. With 215,000 employees across five continents, working closely with local communities, and thanks to its cutting-edge technologies, the group cleans up pollution, reduces carbon emissions, and regenerates resources through concrete solutions that combine its expertise in water and water technologies, waste - including hazardous waste management, and local energy. In 2025, the Veolia group served 110 million people with drinking water and 97 million with sanitation, produced 45 million megawatt hours of energy, and treated 64 million tons of waste. Veolia Environnement (Paris Euronext: VIE, Fortune 500, SBF 120) generated consolidated revenue of €44.4 billion in 2025. www.veolia.com.
Aubervilliers, FR
Public
$50.6B Revenue
http://www.veolia.com/en/
48.8K Employees
VIE Ticker
Tyler Technologies
Tyler Technologies (NYSE: TYL) provides integrated software and technology services to the public sector. Tyler’s end-to-end solutions empower local, state, and federal government entities to operate efficiently and transparently with residents and each other. By connecting data and processes across disparate systems, Tyler’s solutions transform how clients gain actionable insights into opportunities and solutions for their communities. Tyler has more than 40,000 successful installations across nearly 13,000 locations, with clients in all 50 states, Canada, the Caribbean, Australia, and other international locations. Tyler has been recognized numerous times for growth and innovation, including Government Technology’s GovTech 100 list. More information about Tyler Technologies, an S&P 500 company headquartered in Plano, Texas, can be found at tylertech.com.
Plano, Texas, US
Public
$2.1B Revenue
http://www.tylertech.com
7.7K Employees
TYL Ticker

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