EX-21 9 wor-ex21.htm EX-21

Exhibit 21

SUBSIDIARIES OF WORTHINGTON INDUSTRIES, INC.

The following is a list of the subsidiaries, direct and indirect, of Worthington Industries, Inc. as of July 31, 2023. The names of indirectly-owned subsidiaries are indented under the names of their respective immediate parents:

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
|  |  | AMTROL Water Technology, LLC | Delaware
|  |  | 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 Licensing Inc. | Rhode Island
| GerCo Holdings, Inc. | Ohio
| Cleveland Pickling, Inc. | Delaware
| Precision Specialty Metals, Inc. | Delaware
| WI Ventures, LLC | Ohio
| Worthington-Buckeye, Inc. | Ohio
| Worthington Cylinder Corporation | Ohio
|  | dHybrid Systems, LLC | Ohio
|  | GTI Holding Company | Delaware
|  |  | General Tools & Instruments Company LLC | New York
|  |  |  | Mannix Instruments CO., LLC | New York
|  |  |  | PTI Distributors LLC | New York
|  |  |  | General Tools & Instruments (Shanghai) Company, Ltd. | China
|  |  |  | Level5 Tools, LLC | Kansas
|  | Worthington Cryogenics, LLC | Ohio
|  | Worthington Cylinders Mexico, S. de R.L. de C.V. | Mexico
|  | Worthington Industries International S.à.r.l. | Luxembourg
|  |  | Worthington Industries Poland sp zoo | Poland
|  |  | Worthington Cylinders GmbH | Austria
|  |  |  | PTEC Pressure Technology GmbH | Germany
|  |  |  | Worthington Steel Mexico, S.A. de C.V. | Mexico
|  |  |  | Worthington Industries Germany UG | Germany
|  |  |  | WSMX Holdings, LLC | Ohio
|  | Worthington Cylinders Kansas, LLC | Ohio
|  | Worthington Cylinders Wisconsin, LLC | Ohio
|  | WC Realty Holdings LLC | Ohio
|  | Worthington Industries Consumer Products, LLC | Ohio
| Tempel Steel Company, LLC | Illinois
|  | T DO B, LLC | Illinois
|  | Tempel Canada Corporation | Canada
|  | Tempel de Mexico, S De R.I. De C.V. | Mexico
|  | Temple HK Holding Co., Limited | Hong Kong
|  |  | Tempel Changzhou Precision Metal Products Co. Ltd. | China
|  | Tempel Precision Metal Products India Pvt. Ltd. | India
| Worthington Industries Engineered Cabs, Inc. | Delaware
| The Worthington Steel Company (formerly Worthington Ventures, Inc.) | Delaware
|  | Worthington CDBS Holding, LLC | Ohio
|  | Worthington Mid-Rise Construction, Inc. | Ohio

|  | Worthington Military Construction, Inc. | Ohio
| The Worthington Steel Company | Ohio
|  | Worthington Taylor, LLC | Michigan
|  | Worthington Receivables Company, LLC | Delaware
| The Worthington Steel Company, LLC | Ohio
| Worthington Steel Company of Decatur, LLC | Alabama
| Worthington Steel Rome, LLC | Ohio
| Worthington Steel Services, LLC | Ohio
| Worthington WSP, LLC | Michigan
| WS Mexico Holdings, LLC | Ohio

Joint Ventures |
| Clarkwestern Dietrich Building Systems LLC (1) | Ohio
| Serviacero Planos, S. de R.L. de C.V. (2) | Mexico
| Spartan Steel Coating, LLC (3) | Michigan
| Taxi Workhorse Holdings, LLC (4) | Delaware
| TWB Company, LLC (5) | Michigan
|  | Tailor Welded Blanks of Canada, Inc. | Canada
|  | TWB of Ohio, Inc. | Ohio
|  |  | TWB de Mexico, S.A. de C.V. | Mexico
| Worthington Armstrong Venture (WAVE) (6) | Delaware
| Worthington Samuel Coil Processing LLC (7) | Ohio

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

(2) 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.

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

(4) Unconsolidated joint venture with 80% owned by AEP Taxi Workhorse Aggregator, LLC and 20% owned by Worthington Industries Engineered Cabs, Inc.

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

(6) 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.

(7) Consolidated joint venture with 63% owned by Cleveland Pickling, Inc. and 37% owned by Samuel Manu-Tech Pickling Inc.