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 service field of air quality but compliments our suite of services to you with extensive knowledge in the water and soils disciplines. 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 23 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.