EX-21 4 ex21.htm EXHIBIT 21

Exhibit 21

List of Subsidiaries of Olympic Steel, Inc.
Name of Subsidiary | State of Organization | % Ownership
Olympic Steel Lafayette, Inc. | Ohio | 100%
Olympic Steel Minneapolis, Inc. | Minnesota | 100%
Olympic Steel Iowa, Inc. | Iowa | 100% (a)
Oly Steel NC, Inc. | Delaware | 100%
Tinsley Group – PS&W, Inc. | North Carolina | 100% (b)
IS Acquisition, Inc. | Ohio | 100%
Olympic Steel Trading, Inc. | Ohio | 100%
Chicago Tube and Iron Company | Delaware | 100%
Metales De Olympic, S. de R. L. de C.V. | Mexico | 100% (c)

(a) | Owned 100% by Olympic Steel Minneapolis, Inc.

(b) | Owned 100% by Oly Steel NC, Inc.

(c) | Owned 100% by Olympic Steel Trading, Inc.