Enterprise Protection Insurance Company

Vermont

Worthington Industries Leasing, LLC

Ohio

Worthington Services, LLC

Ohio

Worthington Industries Medical Center, Inc.

Ohio

Worthington Steel of Michigan, Inc. (d/b/a The Worthington Steel Company)

Michigan

New AMTROL Holdings, Inc.

Delaware

AMTROL Inc.

Rhode Island

AMTROL North American Cylinders, LLC

Delaware

Red Hen, LLC

Rhode Island

AMTROL Water Technology, LLC

Delaware

AMTROL Canada Ltd.

Toronto, Canada

AMTROL International Investments Inc.

Rhode Island

AMTROL Holding Netherlands B.V.

Netherlands

AMTROL Holding Portugal, SGPS, Unipessoal, Lda

Portugal

AMTROL-ALFA Metalomecanica, S.A.

Portugal

AMTROL Brasil Representacao Ltda.

Brazil

AMTROL Licensing Inc.

Rhode Island

Cleveland Pickling, Inc.

Delaware

GerCo Holdings, Inc.

Ohio

Precision Specialty Metals, Inc.

Delaware

WI Ventures, LLC

Ohio

Worthington-Buckeye, Inc.

Ohio

Worthington Cylinder Corporation

Ohio

dHybrid Systems, LLC

Ohio

Westerman, Inc. (d/b/a Palmer Mfg. & Tank, Inc.)

Ohio

Westerman Acquisition Co., LLC

Ohio

Westerman Rocky Mountain LLC

Ohio

Structural Composites Industries, LLC

Delaware

Worthington Cryogenics, LLC

Ohio

Worthington Cylinder Corporation, LLC

Ohio

Worthington Cylinders Mexico, S. de R.L. de C.V.

Mexico

WI Netherlands Holdings, C.V.

Netherlands

Worthington Industries Global Holdings, LLC

Ohio

Worthington Industries Global Holdings, LLC & Co. OG

Austria

Worthington Industries International S.à.r.l.

Luxembourg

Stako Sp. z.o.o.

Poland

Worthington Cylinders GmbH

Austria

Worthington Steel Mexico, S.A. de C.V.

Mexico

Worthington Cylinders-Embalagens Industriais de Gas, S.A.

Portugal

Worthington Cylinders Kansas, LLC

Ohio

Worthington Cylinders Mississippi, LLC

Ohio

Worthington Cylinders Wisconsin, LLC

Ohio

Worthington Torch, LLC

Ohio

Worthington Energy Group, Inc.

Ohio

Worthington Industries Engineered Cabs, Inc. (d/b/a Angus Industries, Inc.)

Delaware

Worthington Industries Engineered Cabs, LLC (d/b/a Angus-Palm, LLC)

Delaware

Worthington Precision Steel, Inc.

Ohio

Worthington OEG Company

Michigan

Worthington Steel Company of Alabama, Inc. & Co. OEG

Austria

The Worthington Steel Company (formerly Worthington Ventures, Inc.)

Delaware

Worthington CDBS Holding, LLC

Ohio

Worthington Steelpac Systems, LLC (d/b/a Worthington Industries Packaging Solutions)

Delaware

Worthington Mid-Rise Construction, Inc.

Ohio

Worthington Military Construction, Inc.

Ohio

The Worthington Steel Company

Ohio

Worthington Receivables Corporation

Delaware

The Worthington Steel Company, LLC

Ohio

The Worthington Steel Company of Decatur, Inc.

Michigan

Worthington Steel Company of Decatur, L.L.C.

Alabama

Worthington Steel Rome, LLC

Ohio

Worthington WSP, LLC

Michigan

Joint Ventures

ArtiFlex Manufacturing, LLC (1)

Delaware

4400 Donker Land, LLC

Michigan

Clarkwestern Dietrich Building Systems, LLC (2)

Ohio

Samuel Steel Pickling Company (3)

New York

Serviacero Planos, S.A. de R.L. de C.V. (4)

Mexico

(Serviacero Planos Servicios, S.A. de C.V. (i.e., services company to JV Company) (4)

Mexico

Spartan Steel Coating, LLC (5)

Michigan

TWB Company, L.L.C. (6)

Michigan

Tailor Welded Blanks of Canada, Inc.

Canada

TWB of Ohio, Inc.

Ohio

TWB Industries, S.A. de C.V.

Mexico

TWB de Mexico, S.A. de C.V.

Mexico

Worthington Armstrong Venture (WAVE) (7)

Delaware

Worthington Arıtaş Basınçlı Kaplar Sanayi Anonim Şirketi (8)

Turkey

Worthington Energy Innovations, LLC (9)

Ohio

Worthington Modern Steel Framing System Co., Ltd. (10)

China

Worthington Specialty Processing (WSP) (11)

Michigan

Worthington Taylor, LLC

Michigan

ProCoil Company, LLC

Delaware

Zhejiang Nisshin Worthington Precision Specialty Steel Co., Ltd. (12)

China

(1)

Unconsolidated joint venture with 50% owned by GerCo Holdings, Inc. and 50% owned by ITS-H Holdings, LLC

(2)

Unconsolidated joint venture with 25% owned by Worthington CDBS Holding, LLC and 75% owned by CWBS-MISA, Inc.

(3)

Unconsolidated joint venture with 31.25% owned by Cleveland Pickling, Inc. and 68.75% owned by Samuel Manu-Tech Pickling, Inc.

(4)

Unconsolidated joint venture with 50% owned by Worthington Steel Mexico, S.A. de C.V. and 50% owned by Inverzer, S.A. de C.V.

(5)

Consolidated joint venture with 52% owned by Worthington Steel of Michigan, Inc. and 48% owned by AK Steel Corporation.

(6)

Consolidated joint venture with 55% owned by Worthington Steel of Michigan, Inc. and 45% owned by a subsidiary of Baoshan Iron & Steel Co., Ltd.

(7)

Unconsolidated joint venture, operating as a general partnership, with 50% owned by The Worthington Steel Company (Delaware) and 50% owned by Armstrong Ventures, Inc., a subsidiary of Armstrong World Industries, Inc.

(8)

Consolidated joint venture with 75% owned by Worthington Industries International S.à r.l. and 25% owned by the founding shareholders

(9)

Consolidated joint venture with 75% owned by Worthington Energy Group, Inc., 20% owned by Thomas E. Kiser and 5% owned by Stonehenge Structured Finance Partners, LLC

(10)

Unconsolidated joint venture with 60% owned by Hubei Modern Urban Construction & Development Group Co., Ltd. and 40% owned by Worthington Industries International S.à.r.l.

(11)

Consolidated joint venture, operating as a general partnership, with 51% owned by Worthington WSP, LLC and 49% by USS WSP, LLC.

(12)

Unconsolidated joint venture with 55% owned by Nisshin Steel Co., Ltd., 35% owned by Marubeni-Itochu Steel Inc., and 10% owned by Worthington Industries International S.à.r.l.