ATSI, Inc. is a full-service engineering firm specializing in heavy industrial facility design, high temperature applications and analytical engineering. Our experience encompasses many industries including, iron and steel, manufacturing and utilities.

The ATSI Difference 

ATSI has a proven history of simplifying complex issues and designing a solution that fits our clients' needs. We take a common sense, hands-on approach, which translates to getting the job done right the first time.

Need an issue resolved? Call our corporate headquarters at: 716-691-9200

Find us on Linked In!

Refer a Colleague

Energy Technology

Energy TechnologyOur number one priority is to solve your complex engineering challenges by implementing technologies that provide the best balance of energy efficiency and functionality for your operations.

Learn more

Join Our Mailing List

Email is an eco-friendly alternative! Sign up for our mailing list and stay informed while you help save paper!

Email: