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10-K primary document
PKOH · Annual Report (Form 10-K) · Filed March 5, 2026

Park Ohio Holdings Corp10-K exhibit

pkoh20251231-ex211.htm
Document

Exhibit 21.1
List of Subsidiaries
 
Company Name  Jurisdiction Organized
Ajax Tocco de Mexico, S.A. de C.V.  Mexico
Ajax Tocco International Limited  England
Ajax Tocco Magnethermic Corporation (1)  Ohio
Ajax Tocco Magnethermic Corporation Canada Limited  Canada
Ajax Tocco Magnethermic GmbH  Germany
Ajax Tocco Magnethermic Japan Co., Ltd.  Japan
Ajax Tocco Magnethermic Limited  Hong Kong
Ajax Tocco Magnethermic (Shanghai) Co., Ltd.  China
Apollo Aerospace Components India Private LimitedIndia
Apollo Aerospace Components LimitedEngland
Apollo Aerospace Components LLC (2)  Ohio
Apollo Aerospace Components Sp.Z.o.o.Poland
Apollo (Chengdu) Aerospace Components Co., Ltd.China
Apollo Group LimitedEngland
Autoform Tool & Manufacturing, LLCIndiana
Bates Rubber, Inc.Ohio
Canton Drop Forge, Inc.Ohio
Chambersburg Acquisition Corp.  Pennsylvania
Control Transformer, Inc.  Ohio
EFCO, Inc. (3)Ohio
Elastomeros Tecnicos Moldeados, LLC (4)  Texas
Elastomeros Tecnicos Moldeados, S. de R. L. de C.V.  Mexico
EMA Indutec GmbHGermany
EMA Induction Technology (Beijing) Co. Ltd.China
Engineering Materials, Inc.Delaware
Europower CR s.r.o.  Czech Republic
Feco, Inc.  Illinois
Fluid Routing Solutions, LLC  Delaware
Foundry Service GmbH  Germany
Gateway Industrial Supply LLC  Ohio
GH Able City Company LimitedChina
GH Electrotermia, S.A.Spain
GH Electrothermie, S.A.S.France
GH Inducao do Brasil Ltda.Brazil
GH Induction Atmospheres, LLCNew York
GH Induction Deutschland GmbhGermany
GH Induction Equipment Shanghai Co. Ltd.China
GH Induction India Pvt. Ltd.India
GH Mexicana, S.A. de C.V.Mexico
Heads & Allthreads Private LimitedIndia
Hydrapower Dynamics LimitedEngland
ILS Supply Technologies SA de CV  Mexico
Induction Equipments (India) Private LimitedIndia
Integrated Holding Company  Ohio
Integrated Logistics Holding Company  Ohio



Company Name  Jurisdiction Organized
Langstone Supplies LimitedEngland
M.P. Colinet S.R.L.Belgium
NABS Supply Technologies S. De R.L. De C.V.  Mexico
NYK Component Solutions (Holdings) LimitedEngland
NYK Component Solutions LimitedEngland
ParkOhio Automotive Components (Changshu) Co., Ltd.China
Park-Ohio Forged & Machined Products LLC (5)  Ohio
Park-Ohio GAMCO, S. de R.L. de C.V.Mexico
ParkOhio Holding GmbHGermany
ParkOhio Industries (Qingdao) Co., Ltd.China
Park-Ohio Industries (Shanghai) Co. Ltd.  China
Park-Ohio Industries Treasury Company, Inc.  New York
Park-Ohio Industries, Inc. (6)  Ohio
Park-Ohio Products, Inc.  Ohio
Park-Ohio U.K. Ltd.England
ParkOhio Worldwide LLCOhio
Pharmacy Wholesale Logistics, Inc.  Ohio
Precision Machining Connection LLC  Ohio
QEF Global Holdings LimitedIreland
QEF (Global) Ireland LimitedIreland
RB&W Corporation of Canada  Canada
RB&W GmbHGermany
RB&W Japan G.K.Japan
RB&W Ltd.  Ohio
RB&W Manufacturing LLC (7)  Ohio
RB&W (Changzhou) Cold Forming Technologies Co., Ltd.China
RB&W (Shanghai) Cold Forming Technologies Co., Ltd.China
Saet S.p.A.Italy
Saet Induction Equipment (Shanghai) Co. Ltd.China
Snow Dragon LLC  Ohio
Southern Fasteners & Supply, LLCNorth Carolina
Southwest Steel Processing LLC  Ohio
STMX Gas, Inc. (8)  Ohio
Supply Technologies Company of Canada  Canada
Supply Technologies Company of Puerto Rico, Inc.  Puerto Rico
Supply Technologies CR s.r.o.Czech Republic
Supply Technologies (India) Private Limited  India
Supply Technologies International Trading (Shanghai) Co., Ltd.  China
Supply Technologies (IRLG) LimitedIreland
Supply Technologies Kft  Hungary
Supply Technologies Limited  Hong Kong
Supply Technologies LLC (9)  Ohio
Supply Technologies Poland Sp.z.o.o.Poland
Supply Technologies Procurement Company, Inc.Delaware
Supply Technologies Pte. Ltd.  Singapore
Supply Technologies (UKGRP) LimitedEngland
The Ajax Manufacturing Company  Ohio
Tocco, Inc.  Alabama



Company Name  Jurisdiction Organized
Trostel Mexico S. de R.L. de C.V.Mexico
Wind Energy, Inc. Ohio

(1) Doing business as PMC-Colinet, PMC Industries, Pines Engineering, Pillar Induction and H&H Tooling
(2) Doing business as Aero-Missile Components
(3) Doing business as Erie Press Systems, Ajax/CECO/Erie Press
(4) Doing business as Trostel
(5) Doing business as Ajax-Ceco; Ajax Technologies; Chambersburg Equipment Company
(6) Doing business as Ohio Crankshaft
(7) Doing business as Delo Screw Products
(8) Doing business as Autumn Ridge Enterprises
(9) Doing business as Supply Technologies of Ohio

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