ATSI Engineering Services is a full-service consulting engineering firm with offices in New York, Indiana and Pennsylvania handling diverse projects from 40 to 150,000 man-hours. ATSI specializes in heavy industrial facility design and modifications, high-temperature applications, and analytical engineering. We have taken on numerous custom engineering services including those involving bus bar design, FEA engineering, electrical substation design, ASME vessel design, piping design services and much more. Our diverse, field-experienced staff crosses all disciplines and is highly focused on constructability. From process engineering and analytical engineering to mechanical engineering and electrical engineering, ATSI can accommodate a single-phase project or deliver a complete turnkey job. View our list of engineering services. Our multi-disciplined teams respond quickly and efficiently to plant emergencies and fast-track schedules.

ATSI provides high-quality feasibility studies, design engineering, procurement services, and construction management for projects involving analytical engineering, chemical and process plants, and heavy industrial manufacturing facilities. Our experience includes domestic and international sites. Construction cost estimates are prepared by a staff of experienced construction industry personnel.

MISSION STATEMENT
The success of ATSI, Inc. depends on our ability to comply with the expectations and demands of our customers in an economical and timely way.

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ATSI: Buffalo, Pittsburgh and Chicago's premier consulting engineering firm. We employ the industries finest HVAC, structural, civil, electrical, instrumentation & controls and mechanical consulting engineers. We also specialize in facility construction services including automotive facility construction and blast furnace construction. We are your expert choice for traditional and custom consulting engineering services.