Air Quality and Environmental Consulting Bison Engineering, Inc. is an employee-owned environmental consulting and technical services firm specializing in air quality. We are proud of, and are known for, our client advocacy, technical excellence, and depth of experience. We help create balanced solutions to complex environmental regulatory issues. Since 1980 we have been trusted advisers and service providers for clients across the country and across a wide range of industries. Bison has extensive experience dealing with air quality regulations and have conducted emissions tests and prepared permit applications for a wide variety of facilities throughout the country. Our goal is to provide the highest quality environmental services which key on communication with your facility and the regulatory agencies involved. Bison is certified as an accredited air emissions testing body (AETB) to American Standards for Testing and Materials (ASTM) D7036-04, “Standard Practice for Competence of Air Emission Testing Bodies”. The certification is performed by American Association for Laboratory Accreditation (A2LA), under the authority of the Source Evaluation Society (SES). All of Bison’s on-site project managers are Qualified Individuals (QI), or Qualified Source Testing Individuals (QSTI) under SES’s testing and monitoring program. In addition to consulting and technical services, our portfolio includes EMRC gas flow monitoring systems for continuous emissions monitoring in industrial applications. These application-specific monitors provide flexibility, accuracy, and long-term reliability for clients who need fully-automated monitoring at a competitive price. Locations: Helena, MT Billings, MT Missoula, MT Tucson, AZ Portland, OR