Welcome to Environmental Consulting Services, LLC

Environmental Consulting Services, LLC (ECS) was established in Billings, MT in 1994 and offers a wide variety of environmental services to our clients. ECS specializes in the environmental services field of Air Quality (AQ), with the majority of our projects, clients, experience and services performed within this discipline. Although AQ Services are our specialty, ECS provides many other environmental services to our clients. Please take a moment to browse our "Services & Projects" page, as well as our "About" page for more information. To provide our clients with comprehensive environmental services, but at the same time continue to maintain a low-overhead cost profile for business and our clients, ECS has established several reliable associations over the past 23 years with businesses and service providers that furnish specific services, to ECS and our clients, that enhance and compliment ECS's environmental services.