Major Subsidiaries and Associated Companies

by Region
by Business Group

Steel

Japan
Overseas

Japan

Company Name	Details of Business
SUMITOMO CORPORATION GLOBAL METALS CO., LTD.	Trading of steel products and Investment on manufacturing and processing steel products
SUMMIT STEEL CO.,LTD.	Steel service center(processing and sales)
MAZDA STEEL CO.,LTD.	Steel service center(processing and sales)
OOTONE WAREHOUSE CO., LTD	Steel service center(processing and sales)
SUMMIT-BENICHU COIL CENTER CO., LTD	Steel service center(processing and sales)
METAL ONE SUMISHO TUBULAR PRODUCTS CO.,LTD.	Processing and sales of steel tubular and other steel products
MARUBENI ITOCHU SUMISHO TECHNO STEEL INC.	Processing and sales of steel building materials and other products

Overseas

Company Name	Details of Business	Country/Region
HANOI STEEL CENTER CO., LTD.	Steel service center(processing and sales)	Vietnam
SAIGON STEEL SERVICE AND PROCESSING CO.,LTD.	Steel service center(processing and sales)	Vietnam
CALAMBA STEEL CENTER, INC.	Steel service center(processing and sales)	Philippines
MACTAN STEEL CENTER, INC.	Steel service center(processing and sales)	Philippines
SUMISHO METAL (THAILAND) CO.,LTD.	Steel service center(processing and sales)	Thailand
CS METAL CO., LTD.	Steel service center(processing and sales)	Thailand
SUMIPUTEH STEEL CENTRE SDN BHD	Steel service center(processing and sales)	Malaysia
STEEL CENTRE (M) SDN. BHD.	Steel service center(processing and sales)	Malaysia
PT. SUPER STEEL KARAWANG	Steel service center(processing and sales)	Indonesia
STEELSUMMIT HOLDINGS, INC.	Steel service center(processing and sales)	U.S.A.
SERVILAMINA SUMMIT MEXICANA S.A. DE C.V.	Steel service center(processing and sales)	Mexico
STEEL CENTER EUROPE, S.R.O.	Steel service center(processing and sales)	Czech
MUKAND SUMI SPECIAL STEEL LIMITED	Rolling mill of specialty steel and secondary processing	India
STANDARD STEEL, LLC	Steel mini mill (Manufacturing of forged steel wheels and axles for freight railcars)	U.S.A.
ARKANSAS STEEL ASSOCIATES,LLC	Steel mini mill (Manufacturing of railroad tie plates)	U.S.A.
P2 ENERGY SERVICES, LLC	Distribution and service of OCTG and related products	U.S.A.
B&L PIPECO SERVICES, INC.	Distribution and service of OCTG and related products	U.S.A.
ERYNGIUM LIMITED	Distribution and Processing of metallic raw materials for Oilfield Equipment, and Manufacturing	U.K.
EDGEN GROUP INC.	Distribution and service of Pipe, Valve, Fittings and related components	U.S.A.
ASCEND SC, LLC	Consulting for supply chain management operations and acceleration of digital transformation (DX)	U.S.A.
S&L CONSULTING SA	Consulting and Engineering for OCTG	Switzerland
WEST ODESSA RAIL LOGISTICS, LLC	Operation of Tubular Distribution Center	U.S.A.
SEKAL AS	Software development and sales for drilling operation	Norway