EX-21 4 ex_698999.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)
B Metals, Inc. | Ohio | 100%
MCI, Inc. | Ohio | 100%
ACT Acquisition, Inc. | Texas | 100%
SHAQ, Inc. | Georgia | 100%
OS Holdings, Inc. | Ohio | 100%
Metal-Fab, Inc. | Kansas | 100%
Central Tube and Bar, Inc. | Arkansas | 100% (d)
Metal W, Inc. | Georgia | 100% (d)

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

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

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