EX-21 5 a202310kex21.htm EX-21
EXHIBIT 21
SUBSIDIARIES OF THE COMPANY

Name |  | Jurisdiction of Incorporation
301 HW Opus Holdings, Inc. (conducting business as Gexpro Services) |  | Delaware
Gexpro Services Supply Chain Management (Shanghai) Co. Ltd. |  | China
GS Holdings Canada Inc. |  | Canada
GS Holdings Denmark ApS |  | Denmark
GS Holdings RE LLC |  | Delaware
GS Operating, LLC |  | Delaware
GS Operating Holding Hungary Kft. - Voluntary dissolution effective 1/1/2024 |  | Hungary
GS Operating Magyarország Általános Kereskedelmi és Szolgáltató Kft |  | Hungary
GX Pro Opus, S. de R.L. de C.V. |  | Mexico
Heads and Threads, Inc. |  | Illinois
HIS Company, Inc. |  | Texas
Hisco Acquisition Subsidiary I, Inc. |  | Texas
Hisco International, Inc. |  | Delaware
HiscoCan Inc. |  | Ontario, Canada
HiscoMex, S.A. de C.V. |  | Mexico
Convertidora HiscoMex, S.A., de C.V. |  | Mexico
Instrumex Vertriebsgesellschaft für elektronische GmbH |  | Germany
Interworld Highway, LLC |  | New Jersey
Lawson Products, Inc. |  | Illinois
Lawson Products Canada Inc. |  | Canada
MCS Rentals Holdings Limited |  | United Kingdom
MCS Test Group Limited |  | United Kingdom
MCS Test Holding Limited |  | United Kingdom
MCS Test Equipment Limited |  | United Kingdom
MCS Rentals Limited |  | United Kingdom
National Engineered Fasteners Inc. |  | Canada
Resolux ApS |  | Denmark
Resolux do Brazil Industria e Comercio Especializado em Energia Eolica Ltd. |  | Brazil
Resolux GmbH |  | Germany
Resolux Inc. |  | Iowa
Resolux India Private Limited |  | India
Resolux Turkey Ruzgar Turbinleri Elektrik Aksamlari Sanayi ve Ticaret Anonim Sirketi |  | Turkey
Resolux Windpower Technology (Tianjin) Co. Ltd. |  | China
TestEquity Acquisition LLC |  | Delaware
TestEquity Acquisition Holdings, LLC |  | Delaware
TestEquity de Mexico S. de R.L. de C.V. |  | Mexico
TestEquity Inc. |  | Canada
TestEquity LLC |  | Delaware
The Bolt Supply House Ltd. |  | Canada

Subsidiaries that in the aggregate are not considered significant to the consolidated results of the Company at the end of December 31, 2023 have been omitted.