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.