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…

Braun Intertec is an employee-owned geotechnical engineering, environmental consulting, and testing firm headquartered in Minnesota with over 1,000 employees an…

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

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

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

A public utility district managing wastewater treatment and stormwater systems for 60 communities in Northeast Ohio, operating three major treatment plants and…

LaBella Associates is a 100% employee-owned firm of ~2,000 professionals that plans, designs, engineers, and manages projects in the built and natural environme…

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

Tepa Companies is a tribally owned enterprise providing construction, engineering, environmental, and technology services to government, commercial, and tribal…

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…

Clean Harbors is North America's leading environmental and industrial services company, specializing in hazardous waste disposal, emergency response, and recycl…

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

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…

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

Ecovyst is a global specialty catalysts and services company operating in refining, plastics, and emissions control, with a history dating to 1831.

North America's largest waste management and recycling company operating extensive facilities and services across residential, commercial, and industrial sector…

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…