Environmental Consulting Services, LLC (ECS) was established in Billings, MT in 1994 and offers a wide variety of environmental services to our clients. We are motivated to offer you our suite of services with extensive knowledge in the areas of: air quality, water quality, contaminated soils / hazardous spills, SPCC, SWPPP, and Phase I & II ESAs. We work hard to provide our clients with comprehensive environmental services while maintaining a smart, low-overhead cost profile for business structure which passes on competitive rates to our customers. ECS has established several, reliable associations over the past 25 years with businesses and skilled service providers that furnish specific functions to ECS and our customers. These relationships enhance and compliment the environmental services we provide to clients.