Environmental Engineering companies

HGL is an employee-owned environmental engineering and remediation company that develops innovative solutions to restore contaminated sites and protect natural…

ERM is the world's largest pure-play sustainability consultancy, partnering with clients to operationalize sustainability at pace and scale through strategic tr…

Global engineering and architecture firm offering sustainable design and consulting services for infrastructure, facilities, healthcare, education, and water sy…

AECOM is the world's trusted infrastructure leader, committed to delivering a better world through professional services spanning planning, design, engineering,…

Veolia is the global leader in environmental services, providing water, waste, and energy management solutions to cities and industries worldwide.

Environmental, health, and safety consulting and training firm serving private industry and government agencies since 1988, with specialization in law enforceme…

Michael Baker International is a Pittsburgh-based engineering and consulting firm providing infrastructure, design, advisory, and GovTech services across the US…

KCI is a 100% employee-owned engineering, consulting, and construction firm with 2,000+ staff across 70+ offices in 19 states, serving government and private cl…

Arcadis is the world's leading design and engineering consultancy firm for natural and built assets, with 36,000 people across 30+ countries dedicated to improv…

Federal contractor providing environmental cleanup, nuclear operations, waste management, and clean energy services to U.S. government agencies nationwide.

Amentum provides advanced engineering, technical services, and mission support to government and commercial clients in defense, nuclear, intelligence, and envir…

Reworld Projects is a North American waste management company providing sustainable waste processing, metals recovery, waste-to-energy services, and circular ec…

Independence Excavating is a nationwide leader in heavy civil construction, demolition, and environmental remediation with nearly 70 years of experience deliver…

Energy services company providing automated tank cleaning, rig cleaning, and water treatment solutions to oil and gas operations in the Gulf of Mexico since 200…

Mechanical contracting company in southern California providing HVAC, fabrication, design-build services, and complex system installations to pharmaceutical, he…

Full-service heavy civil contractor specializing in geotechnical, pipeline rehabilitation, dam, and underground construction projects across the United States.

ALS is a global analytical testing company providing scientific testing and data-driven insights across mining, environmental, pharmaceutical, food, and equipme…

Recology provides waste collection, material processing, and recycled commodity marketing services across western U.S. communities.

Acuity International delivers process- and technology-driven critical services for government and commercial clients, specializing in medical services, occupati…

Bridger Photonics operates airborne laser systems that detect and quantify methane emissions from oil and gas infrastructure for operational and compliance purp…