November 8, 2020 – Alliance Source Testing, LLC (“Alliance”) has completed its sixth add-on acquisition with the purchase of Blue Mountain Environmental Management Corporation (“Blue Mountain”).  Blue Mountain provides source emission testing (stack testing) services to customers throughout the Northeastern and Midwestern United States.

Acquiring Blue Mountain was an important next step for Alliance, who is actively investing in growth to build a national, best-in-class stack testing platform.   Strategically, Blue Mountain significantly bolsters Alliance’s existing presence in the Northeastern and Midwestern markets when responding to complex, challenging source testing projects.  In addition, the partnership increases the breadth of services that Alliance can provide to customers, such as increased ambient air capabilities.

Joe Stanger, President of Blue Mountain said, “The partnership with Alliance is an exciting new chapter for Blue Mountain’s employees and customers.  The access to a deep bench of experts for large, complex source tests coupled with a customer and employee focused culture will provide opportunities to better meet our customers’ needs and employee opportunity for growth.”

Together, Alliance and Blue Mountain have a strong national footprint of 17 offices and over 200 employees located in 11 states with attractive geographic density across the United States, and the technical expertise to serve a diverse range of end markets.

“The Blue Mountain team is a great complement to our growing presence in the Northeast and Midwest markets,” noted Alliance CRO Scott Williams.  “The opportunity to partner with Blue Mountain’s experienced team expands our resource pool, increases our footprint in a strategic region for our services, and adds resources to our growing ambient air capabilities.”

About Alliance Source Testing
Headquartered in Decatur, AL, Alliance is the leading provider of source emission testing solutions to customers throughout the United States.  With expertise in a variety of test methods, Alliance is uniquely qualified to provide customers with the highest quality and most cost-effective source testing solutions available. For more information, please visit or email

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