Private company

The DeMatteis Organization

Logo: dematteisorg.com2

The DeMatteis Organization is a Real estate development and property management company based in Elmont, N.Y, founded in 1918.1 Its chief executive is Fred DeMatteis.1

Last updated Oct 21, 2026.

Overview

1918Founded1

Corporate structure

The DeMatteis Organization sits at the top of its group. 2 entities on record. Switch between the flow chart and the network, and select any entity to see its details.

  • The DeMatteis Organization Elmont
    • Leon D Dematteis Construction Corp. Subsidiary

Built from subsidiaries, stakes and holdings from Wikidata (CC0); major holders from Schedules 13D and 13G. Each entity in the chart links to its source.

Leadership

Who has led The DeMatteis Organization, and when. Pick a name to see everywhere that person has worked.

Subsidiaries and ownership

Subsidiaries

  • Leon D Dematteis Construction Corp.

From Wikidata.1

Timeline

  1. 1918Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

  1. 1
  2. 2