EXHIBIT 21.1

Schedule of Subsidiaries

(as of December 31, 2023) (1)

STEEL PARTNERS HOLDINGS GP INC., a Delaware corporation.

SPH GROUP LLC, a Delaware limited liability company.

SPH GROUP HOLDINGS LLC, a Delaware limited liability company.

STEEL SERVICES LTD, a Delaware corporation.

WEBFINANCIAL HOLDING CORPORATION, a Delaware corporation.

HANDY & HARMAN LTD., a Delaware corporation.

STEEL EXCEL INC., a Delaware corporation.

580 SABAL PALM ROAD LLC, a Delaware LLC.

WEBFINANCIAL HOLDING CORPORATION SUBSIDIARIES

WEBBANK HOLDING CORP., a Delaware corporation.

WEBBANK, a Utah chartered industrial bank.

NATIONAL PARTNERS PFCO LLC, a Delaware limited liability company.

NATIONAL PARTNERS PFCO OF NEW YORK LLC, a Delaware limited liability company.

NATIONAL PARTNERS PFCO INC OF CALIFORNIA, a Delaware limited liability company.

WEBFINANCIAL HOLDING LLC, a Delaware limited liability company.

DUNMORE INTERNATIONAL CORP., a Delaware corporation.

DUNMORE EUROPE GMBH, a corporation organized under the laws of Germany.

HANDY & HARMAN LTD. SUBSIDIARIES

HANDY & HARMAN GROUP, LTD., a Delaware corporation (“HHG”).

WF ASSET CORP., a Delaware corporation.

WHX CS LLC, a Delaware limited liability company..

HANDY & HARMAN, a New York corporation (“HANDY & HARMAN”), a direct subsidiary of HHG.

BAIRNCO LLC, a Delaware limited liability company (“BAIRNCO”), a direct subsidiary of HHG.

HANDY & HARMAN HOLDING CORPORATION, a Delaware corporation, a direct subsidiary of HHG.

JPS INDUSTRIES HOLDINGS LLC., a Delaware corporation, a direct subsidiary of HHG.

JPS COMPOSITE MATERIALS CORPORATION, a Delaware corporation.

SL INDUSTRIES, INC., a Delaware corporation, a direct subsidiary of HHG.

HANDY & HARMAN OF CANADA, LIMITED, a corporation organized under the laws of the Province of Ontario, Canada.

HANDY & HARMAN INTERNATIONAL, LTD., a Delaware corporation.

HANDY & HARMAN NETHERLANDS, BV., a corporation organized under the laws of the Netherlands.

HANDYTUBE CORPORATION, a Delaware corporation.

INDIANA TUBE CORPORATION, a Delaware corporation.

LUCAS-MILHAUPT, INC., a Wisconsin corporation.

LUCAS-MILHAUPT BRAZING MATERIALS (SUZHOU) CO. LTD., a corporation organized under the laws of China.

LUCAS-MILHAUPT HONG KONG LIMITED, a corporation organized under the laws of Hong Kong.

LUCAS MILHAUPT RIBERAC SA, a corporation organized under the laws of France.

LUCAS-MILHAUPT WARWICK LLC, a Delaware limited liability company.

OMG, INC., a Delaware corporation (formerly known as Olympic Manufacturing Group, Inc.)

CEDRO DE MEXICO, S.A. DE C.V., a corporation organized under the laws of Mexico.

DAVALL GEARS LTD., a corporation organized under the laws of United Kingdom.

MOLLART UNIVERSAL JOINTS LTD., a corporation organized under the laws of United Kingdom.

MTE CORPORATION, a Wisconsin corporation.

SL DELAWARE HOLDINGS, INC., a Delaware corporation.

SL MONTEVIDEO TECHNOLOGY, INC., a Minnesota corporation. .

TPE DE MEXICO, S. DE R.L. DE C.V., a corporation organized under the laws of Mexico.

STEEL EXCEL INC. SUBSIDIARIES (2)

STEEL ENERGY SERVICES LTD., a Delaware corporation.

IGO, INC., a Delaware corporation.

ATLANTIC SERVICE CO. LTD., a corporation organized under the laws of Canada, a direct subsidiary of Kasco LLC.

ATLANTIC SERVICE CO. (UK) LTD., a corporation organized under the laws of United Kingdom, a direct subsidiary of Kasco LLC.

BERTRAM & GRAF GMBH, a corporation organized under the laws of Germany, a direct subsidiary of Kasco LLC.

KASCO LLC, a Delaware limited liability company, a direct subsidiary of iGo, Inc.

KASCO ENSAMBLY S.A. DE C.V., a corporation organized under the laws of Mexico, a direct subsidiary of Kasco LLC. 

KASCO MEXICO LLC, a Delaware Limited Liability Company, a direct subsidiary of Kasco LLC.

SUN WELL SERVICE, INC., a North Dakota corporation

ROGUE PRESSURE SERVICES LTD., a Delaware corporation.

BLACK HAWK ENERGY SERVICES, INC., a New Mexico corporation.

BASIN WELL LOGGING WIRELINE SERVICES, INC., a New Mexico corporation.

STEEL SPORTS INC., a Delaware corporation.

BASEBALL HEAVEN INC., a Delaware corporation.

UK ELITE SOCCER INC., a New Jersey Corporation

DGTH LLC, a Delaware corporation.

1001 HERMOSA AVENUE LLC, a Delaware limited liability company.

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(1) This list omits subsidiaries which, considered in the aggregate, would not constitute a significant subsidiary.

(2) Other than Handy & Harman Ltd. and its subsidiaries.