Mostardi Platt Announces Acquisition of DSG Solutions, Expanding National Environmental Consulting Capabilities

November 24, 2025

Elmhurst, Illinois — November 21, 2025 — Mostardi Platt, a leading national provider of environmental testing and consulting solutions, today announced the acquisition of DSG Solutions, a recognized expert in air quality consulting services with specialized focus in continuous emissions monitoring compliance. With offices in Massachusetts and Washington, the acquisition enhances Mostardi Platt’s technical depth and expands its presence in key growth markets.

“This acquisition strengthens our ability to deliver comprehensive solutions to our clients and adds new service capabilities,” said Tom Platt, CEO of Mostardi Platt. “DSG Solutions’ specialized expertise aligns perfectly with our vision for strategic growth and exceptional air compliance service.”

“Joining Mostardi Platt marks an exciting milestone for our team,” said David Suess, co-owner, along with Sean Gregory, of DSG Solutions. “This partnership brings together two organizations that share a commitment to responsive, high-quality, and customized air consulting support. By leveraging Mostardi Platt’s broader resources, we’ll be able to expand our capabilities and deliver even greater value to the clients who depend on us.”

About DSG Solutions

DSG Solutions has built a reputation for over 18 years of delivering high-quality air program regulatory support services specializing in continuous emissions monitoring and the associated Data Acquisition and Handling System (DAHS).

About Mostardi Platt

For more than 49 years, Mostardi Platt has delivered innovative environmental testing and consulting services to clients in many industries nationwide. With a commitment to quality and responsive service, Mostardi Platt helps organizations navigate complex environmental challenges with confidence.

For more information, please contact Mostardi Platt at info@mp-mail.com or 888-802-6855.

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