Welcome to TSI Corporations

TSI Corporations (TSI) is a locally owned business, established in 1977, with over 600 projects completed in the greater Washington DC and Baltimore areas


Executive Officers

Victor Cornellier, Board Chairman

  • Industry experience: 42 years
  • President of the Ironworkers Employers Association of Washington, D.C.
  • Trustee on the Welfare and Pension Plans for Iron Workers Local Union #5, Washington D.C.
  • Member of the IMPACT Board of Trustees
  • B.S. Degree in Journalism
  • Boston University

Peter Cornellier, Operating President

  • Industry experience: 15 years
  • Masters in Business Administration MBA
  • Babson College
  • B.A. Degree in Economics
  • University of New Hampshire

Thomas Cornellier, Chief Operating Officer

  • Industry experience: 10 years
  • B.S. Degree in Finance
  • University of Delaware
  • Masters in Business Administration MBA
  • Loyola University of Maryland


Where has TSI Been? See a Snapshot of Last 20 Years of Construction.

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