• 1980 – Charles V. Poettker started Poettker Construction Company, an Illinois Partnership.
  • 1982 – Poettker Building officially change to Poettker Construction Company, an Illinois corporation.
  • 1986 – 1st Walmart Project 180+ projects completed to date
  • 1987 – Established Poettker Leasing & supply Company, an equipment and tool supply company.
  • 1987 – Awarded one of St. Louis Business Journal’s “Top 25 Small Businesses”