Aisotec Competitors

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.

Tetra Tech is the leader in water, environment, and sustainable infrastructure, providing high-end consulting and engineering services for projects worldwide. With 25,000 employees working together, Tetra Tech provides clear solutions to complex problems by Leading with Science® to address the entire water cycle, protect and restore the environment, and design sustainable and resilient infrastructure. Tetra Tech est un chef de file mondial dans le domaine de l'eau, de l'environnement et des infrastructures durables, offrant des services de génie-conseil et d'ingénierie de qualité supérieure pour des projets à l'échelle mondiale. À travers nos 25 000 associés, Tetra Tech propose des solutions optimales aux problèmes les plus complexes en utilisant la science d’abord pour répondre aux besoins en matière de cycle de l'eau, en protection et restauration de l'environnement ainsi qu’en conception d’infrastructures durables et résilientes.

Black & Veatch is an employee-owned, global leader in building critical human infrastructure in Energy, Water, Digital Connectivity and Government Services. Since 1915, we have helped our clients improve business operations and the lives of people in over 100 countries through consulting, engineering, construction, operations and program management. Our purpose is building a world of difference and our vision is to be THE leader in sustainable infrastructure. Black & Veatch Holding Company, its subsidiaries and its affiliated companies, complies with all Equal Employment Opportunity (EEO) affirmative action laws and regulations. Black & Veatch does not discriminate on the basis of age, race, religion, color, sex, national origin, marital status, genetic information, sexual orientation, gender Identity and expression, disability, veteran status, pregnancy status or other status protected by law.