• Air Quality Experts Since 1980



Here are just some of the industries we serve:

  • Industrial boilers – gas, propane, coal, wood-fired
  • Petroleum refineries
  • Electrical generating units
  • Lime and cement kilns
  • Lumber kilns and plywood manufacturing
  • Oil and gas well production facilities
  • Natural gas compressor stations
  • Large diesel and gas-fired RICE engines
  • Mines and aggregate processing
  • Metallurgical processing facilities
  • Dairy digesters
  • Food processing
  • Waste incineration
  • Landfill gas incineration
  • Landfill Power Generation
  • Combustors
  • Steam heat plants
  • Metal Casting
  • Laboratories
  • Hazardous Waste Incinerators
  • Glass Manufacturing
  • Wood Preserving
power plant emissions


Bison Engineering strives to understand current issues that are critically important to our client industries. Participating in industry associations helps us achieve that goal.

We currently contribute to the following organizations:

  • Air & Waste Management Association
  • Montana Coal Council
  • Montana Petroleum Association
  • Montana Mining Association
  • Montana Wood Products Association
  • NCASI-National Council for Air and Stream Improvement, Inc
  • Petroleum Assoc. of Wyoming
  • Source Evaluation Society
  • Treasure State Resource Industry Association
  • North Dakota Petroleum Council
  • Western Energy Alliance
  • Associated Oregon Industries (Air and Energy Committee)


Bison has been in business since 1980. During our decades of working with clients, they have taken us around the globe. However, the majority of our monitoring, consulting, gas flow monitoring, and source testing has been in the United States. The map below is a representative display of the project work we have completed in the United States. We can work with federal, state, and local air quality regulators wherever you need us to.