Exhibit 21
Subsidiaries of Air Products and Chemicals, Inc.
The following is a list of the Company’s consolidating subsidiaries, as of 30 September 2011, except for certain subsidiaries of the Registrant which do not in the aggregate constitute a significant subsidiary as that term is defined in Rule 12b-2 under the Securities Exchange Act of 1934. This list does not include equity affiliate investments and cost investments.
UNITED STATES
All companies are incorporated in the State of Delaware unless otherwise indicated.
Registrant — Air Products and Chemicals, Inc.
Air Products (Rozenburg), LLC
Air Products Asia, Inc.
Air Products Caribbean Holdings, Inc.
Air Products China, Inc.
Air Products Energy Enterprises, L.P.
Air Products Energy Holdings, Inc.
Air Products Europe, Inc.
Air Products Helium, Inc.
Air Products Hydrogen Company, Inc.
Air Products International Corporation
Air Products LLC
Air Products Manufacturing Corporation
Air Products Performance Manufacturing, Inc.
Air Products Trinidad Services, Inc.
APCI (U.K.), Inc.
Electron Transfer Technologies, Inc. (New Jersey)
Middletown Oxygen Company, Inc.
Prodair Corporation
Pure Air Holdings Corp.
Pure Air on the Lake (I), Inc.
Pure Air on the Lake (IV), Inc.
Pure Air on the Lake, Limited Partnership
SCWC Corp.
Stockton CoGen (I), Inc.
ARGENTINA
Terapias Medicas Domiciliarias, S.A.
AUSTRIA
Air Products Gesellschaft mbH
BAHRAIN
Air Products Bahrain W.L.L.
BELGIUM
Air Products Healthcare Belgium, S.A.
Air Products Management S.A.
Air Products S.A.
Napro S.A.
BERMUDA
Asia Industrial Gas Company Ltd.
BRAZIL
Air Products Brasil Ltda.
CANADA
Air Products Canada Ltd./Prodair Canada Ltee
CHINA
Air Products (Changsha) Co., Ltd.
Air Products (Hong Kong) Co., Ltd.
Air Products (Jiangxi) Co., Ltd.
Air Products (Ningbo) Hi-Tech Gases Co., Ltd.
Air Products (Shenyang) Gases Co., Ltd.
Air Products and Chemicals (Beijing) Distribution Co., Ltd.
Air Products and Chemicals (Changzhou) Co., Ltd.
Air Products and Chemicals (Changxing) Co., Ltd.
Air Products and Chemicals (Chengdu) Co., Ltd.
Air Products and Chemicals (China) Investment Co. Ltd.
Air Products and Chemicals (Chongqing) Co., Ltd.
Air Products and Chemicals (Dalian) Co., Ltd.
Air Products and Chemicals (Fujian) Co., Ltd.
Air Products and Chemicals (Fuzhou) Co., Ltd.
Air Products and Chemicals (Guangzhou) Co., Ltd.
Air Products and Chemicals (Kunshan) Gases Co., Ltd.
Air Products and Chemicals (Nanjing) Co., Ltd.
Air Products and Chemicals (Nanjing) Gases Co., Ltd.
Air Products and Chemicals (Nanjing) Specialty Amines Co., Ltd.
Air Products and Chemicals (Putian) Co., Ltd.
Air Products and Chemicals (Shaanxi) Co., Ltd.
Air Products and Chemicals (Shaanxi Pucheng) Co., Ltd.
Air Products and Chemicals (Shanghai) Co. Ltd.
Air Products and Chemicals (Shanghai) Electronics Gases Co., Ltd.
Air Products and Chemicals (Shanghai) Gases Co., Ltd.
Air Products and Chemicals (Shanghai) On-Site Gases Co., Ltd.
Air Products and Chemicals (Shanghai) Systems Co. Ltd.
Air Products and Chemicals (Shangluo) Co., Ltd.
Air Products and Chemicals (Shenzhen) Co., Ltd.
Air Products and Chemicals (Shenzhen) Gases Co., Ltd.
Air Products and Chemicals (Tangshan) Co., Ltd.
Air Products and Chemicals (Tianjin) Co., Ltd.
Air Products and Chemicals (Tongxiang) Co., Ltd.
Air Products and Chemicals (Xingtai) Co., Ltd.
Air Products and Chemicals (Zhangjiagang) Co., Ltd.
Air Products and Chemicals (Zhengzhou) Hi-Tech Co., Ltd.
Air Products and Chemicals (Zhuhai) Co., Ltd.
Air Products and Chemicals (Zibo) Co., Ltd.
Air Products Huadong (Longkou) Co., Ltd.
Beijing AP BAIF Gas Industry Co., Ltd.
Permea China, Ltd.
CZECH REPUBLIC
Air Products spol s.r.o.
EGYPT
Air Products Gases S.A.E.
FRANCE
Air Products Healthcare France
2
Air Products SAS
Henno Oxygene S.A.S.
Hold’Air SAS
Prodair et Cie S.C.S.
Prodair S.A.S.
SAGA SAS
Union Mobiliere Industrielle S.A.R.L.
GERMANY
Air Products GmbH
Air Products Holdings GmbH
Air Products Medical GmbH
Air Products Performance Materials GmbH
S. I. Q. Beteiligungs GmbH
INDIA
Prodair Air Products India Private Limited
INDONESIA
PT Air Products Indonesia
IRELAND
Air Products Ireland Limited
ISRAEL
Air Products Israel Ltd.
Gastel Limited
ITALY
Air Products Italia S.r.l.
JAPAN
Air Products Japan, Inc.
KOREA
Air Products ACT Korea Limited
Air Products Electronics Materials Inc.
Air Products HYT Inc.
Air Products Korea Electronics, Inc.
Air Products Korea Inc.
MALAYSIA
Air Products Malaysia Sdn Bhd
Air Products Shared Services Sdn. Bhd
Air Products Specialized Process Equipment SDN
MEXICO
Air Products and Chemicals de Mexico, S.A. de C.V.
THE NETHERLANDS
Air Products Chemicals Europe B.V.
Air Products Holdings B.V.
Air Products Investments B.V.
Air Products Leasing B.V.
Air Products Nederland B.V.
Air Products Utilities B.V.
3
NORWAY
Air Products A/S
POLAND
Air Products Polska Sp. z o.o.
Air Products Sp. z.o.o.
Roboprojekt Sp. z.o.o
PORTUGAL
Gasin - Gases Industriais, S.A.R.L.
ROMANIA
Air Products Hidrogen S.R.L.
RUSSIA
Air Products O.O.O.
SINGAPORE
Air Products and Chemicals (S) Pte. Ltd.
Air Products Singapore Pte. Ltd.
SLOVAKIA
Air Products Slovakia s.r.o.
SPAIN
Air Products Iberica, S.L.
Air Products Investments Espana, S.L.
Air Products Services Europe, S.A.
Air Products Sud Europa, S.L.
Matgas 2000 A.I.E.
Oxigenol, S.A.
Sociedad Espanola de Carburos Metalicos S.A.
SWITZERLAND
Air Products Switzerland Sàrl
TAIWAN
Air Products San Fu Co., Ltd.
Air Products Taiwan Holdings Co., Ltd.
Blue Ocean Industrial Gases Co., Ltd.
THAILAND
Air Products Asia (Technology Center) Ltd.
UNITED ARAB EMIRATES
Air Products Emirates Gas LLC
Air Products Gulf Gas LLC
Air Products Middle East FZE
UNITED KINGDOM
Air Products (BR) Limited
Air Products (Chemicals) Public Limited Company
Air Products (Chemicals) Teesside Limited
Air Products Group Limited
Air Products PLC
Air Products Yanbu Limited
4
Cryoservice Limited
Prodair Services Limited
Protexeon Limited
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