Custom Stack Analysis, LLC. was originally established in Alliance, Ohio in 1965 by Mr. Ernest Kolm. In the year 2000 the company was acquired by Mr. James K. Gray who has many years experience in the field of air emissions testing. Custom Stack Analysis, LLC. has capabilities for performing Stack Testing, Analytical Services, Burner Combustion Efficiency, Indoor Air Quality, Source Permitting, Emission Inventory and Industrial Hygiene sampling.