EXHIBIT 21
PACTIV CORPORATION
SUBSIDIARIES
<Table>
PACTIV CORPORATION (DELAWARE)
Pactiv RSA LLC (Delaware)..........................................................................100%
Pactiv Factoring LLC (Delaware)....................................................................100
Pactiv Germany Holdings, Inc. (Delaware)...........................................................100
PT Properties LLC..................................................................................100
Aircal S.A. (France)...............................................................................100
(Pactiv Corporation owns all shares except seven which are held by its four
directors and Pactiv Protective Packaging Inc. and Pactiv International
Holdings Inc.)
Airpack Japan K.K. (Japan)(1)......................................................................100
Airpack Polska Sp.Z.O.O. (Poland)..................................................................100
Airpack SPA (Italy).................................................................................98
(Pactiv Corporation owns 98%; Pactiv International Holdings Inc. owns 2%)
Altapack SPA (Italy)...........................................................................100
SIMPLA Societa Imballaggi Plastici SPA (Italy).................................................100
Astro-Valcour, Inc.................................................................................100
Counce Finance Corporation (Delaware)..............................................................100
Dongguan PCA Packaging Co., Ltd. (Peoples Republic of China)........................................50
(Pactiv Corporation owns 50%; and Dongguan Dong Ya Color Printing
& Packaging Factory, an unaffiliated company, owns 50%)
EKCO Products, Inc. (Illinois).....................................................................100
E-Z Por Corporation (Delaware).....................................................................100
Hexacomb Corporation (Illinois)....................................................................100
Kobusch Packaging Egypt Ltd. (Egypt).............................................................99.75
(Pactiv Corporation owns 99.75%; and Kobusch-Folien GmbH
owns .25%)
Omni-Pac S.A.R.L. (France)..........................................................................97
(Pactiv Corporation owns 97%; and Omni-Pac GmbH & Co. KG
Verpackungsmittel owns 3%)
Pactiv Asia Corporation (Delaware).................................................................100
</Table>
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<Table>
Pactiv Business Services Holdings Inc. (Delaware).................................................100
Pactiv Business Services Inc. (Delaware)......................................................100
Pactiv - Chile Holdings Inc. (Delaware)...........................................................100
Tenneco Packaging - Chile S.A. (Chile)........................................................100
Pactiv CPI Holding Company (Delaware).............................................................100
Pactiv Deutschland Holdinggesellschaft mbH (Germany)..............................................100
Kobusch Folien Verwaltungsgesellshaft mbH (Germany)...........................................100
Kobusch Folien GmbH & Co. KG (Germany)...................................................100
(Pactiv Deutschland Holdinggesellschaft mbH is the Limited Partner;
and Kobusch-Folien Verwaltungsgesellschaft mbH is the General
Partner)
Kobusch Packaging Egypt Ltd. (Egypt)................................................0.25
(Kobusch Folien GmbH & Co. KG owns 0.25%; and Pactiv
Corporation owns 99.75%)
Nord-West Verpackung Verwaltungsgesellschaft mgH (Germany)....................................100
Nord-West Verpackung GmbH & Co. KG (Germany).............................................100
(Pactiv Deutschland Holdinggesellschaft mbH is the Limited Partner;
and Nord-West Verpackung GmbH & Co. KG is the General Partner)
Nord-West Wohnungsbau GmbH (Germany).................................................100
Omni-Pac Ekco Verpackungsmittel Verwaltungsgesellschaft mbH (Germany).........................100
Omni-Pac Ekco Verpackungsmittel GmbH & Co. KG (Germany)..................................100
(Pactiv Deutschland Holdinggesellschaft mbH is the Limited Partner;
and Omni-Pac Ekco Verpackungsmittel Verwaltungsgesellschaft
mbH is the General Partner)
Omni-Pac Poland SP.Z.O.O. (Poland)...................................................100
PCA Embalajes Espana S.L. (Spain)......................................................1
(Omni-Pac Ekco Verpackungsmittel GmbH & Co. KG
owns 1%; and Tenneco Forest Products GmbH owns 99%)
Omni-Pac Verpackungsmittel Verwaltungsgesellschaft mbH (Germany)..............................100
Omni-Pac GmbH & Co. KG Verpackungsmittel (Germany).......................................100
(Pactiv Deutschland Holdinggesellschaft mbH is the Limited Partner;
and Omni-Pac Verpackungsmittel Verwaltungsgesellschaft mbH is
the General Partner)
Omni-Pac ApS (Denmark)...............................................................100
Omni-Pac A.B. (Sweden)...............................................................100
Omni-Pac S.A.R.L. (France).............................................................3
(Omni-Pac GmbH & Co. KG Verpackungsmittel owns 3%;
and Pactiv Corporation owns 97%)
Sengewald Verpackungen Verwaltungsgesellschaft mbH (Germany)..................................100
Sengewald Verpackungen GmbH & Co. KG (Germany) ..........................................100
</Table>
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<Table>
(Pactiv Deutschland Holdinggesellschaft mbH is the Limited Partner;
and Sengewald Verpackungen Verwaltungsgesellschaft mbH is the
General Partner)
Sengewald Klinikprodukte Verpackungsmittel GmbH (Germany).....................................100
Sengewald Klinikprodukte GmbH & Co. KG (Germany).........................................100
(Pactiv Deutschland Holdinggesellschaft mbH is the Limited Partner;
and Sengewald Klinikprodukte Verpackungsmittel GmbH is the
General Partner)
Sengewald France S.A.R.L. (France)..................................................100
Omni-Pac GmbH & Co. KG Verpackungsmittel (Germany)............................................100
(PactivDeutschland Holdinggesellschaft mbH is the Limited Partner; and
Omni-Pac Verpackungsmittel Verwaltungsgesellschaft mbH is the
General Partner)
Omni-Pac Ekco Verpackungsmittel GmbH & Co. KG (Germany).......................................100
(Pactiv Deutschland Holdinggesellschaft mbH is the Limited Partner;
and Omni-Pac Ekco Verpackungsmittel Verwaltungsgesellschaft mbH
is the General Partner)
Sengewald Verpackungen GmbH & Co. KG (Germany)................................................100
(Pactiv Deutschland Holdinggesellschaft mbH is the Limited Partner;
and Sengewald Verpackungen Verwaltungsgesellschaft mbH is the
General Partner)
Kobusch-Folien GmbH & Co. KG (Germany)........................................................100
(Pactiv Deutschland Holdinggesellschaft mbH is the Limited Partner;
and Kobusch-Folien Verwaltungsgesellschaft mbH is the General Partner)
Nord-West Verpackung GmbH & Co. KG (Germany)..................................................100
(Pactiv Deutschland Holdinggesellschaft mbH is the Limited Partner;
and Nord-West Verpackung GmbH & Co. KG is the General Partner)
Sengewald Klinikprodukte GmbH & Co. KG (Germany)..............................................100
(Pactiv Deutschland Holdinggesellschaft mbH is the Limited Partner;
and Sengewald Klinikprodukte Verpackungsmittel GmbH is the
General Partner)
Pactiv Europe B.V. (Netherlands)...................................................................100
Pactiv Netherlands B.V........................................................................100
Pactiv Hexacomb S.A. (Spain).......................................................................100
Pactiv Hungary Holdings Inc. (Delaware)............................................................100
Pactiv Hungary Packaging Limited Liability Company...............................................96.66
(Pactiv International Holdings owns 3.33%)
</Table>
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(1) In dissolution.
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<Table>
and Asco Hungaria Kft., an unaffiliated company, owns 36.2%)
Pactiv International Business Development Limited (Delaware)......................................100
Ambassador Packaging (Ireland) Limited (Ireland)..............................................100
Pactiv International Finance B.V. (Netherlands)...................................................100
Pactiv International Holdings Inc. (Delaware).....................................................100
Airpack SPA (Italy).............................................................................2
(Pactiv International Holdings Inc. owns 2%; and Pactiv Corporation
owns 98%. Subsidiaries listed on page 1.)
Empaques Protectores Tenneco S.A. de C.V. (Mexico).............................................99
(Pactiv International Holdings Inc. owns more than 99%; Pactiv Mexico,
S.A. de C.V. owns less than 1%)
Pactiv Mexico, S.A. de C.V..................................................................99.99
(Pactiv International Holdings Inc. owns 499,999 shares; and Pactiv
Corporation owns 1 share)
Empaques Protectores Tenneco S.A. de C.V. (Mexico)...............................less than 1
(Pactiv Mexico, S.A. de C.V. owns less than 1%; Pactiv International
Holdings Inc. owns more than 99%)
Pactiv N.V. (Belgium).................................................................less than 1
(Pactiv International Holdings Inc. owns less than 1% or 18 shares; Pactiv
Corporation owns approximately 99.6%; and the remainder of the shares
are held by unaffiliated third parties)
Servicios Integrales de Operaciones S.A. de C.V. (Mexico)......................................99
(Pactiv Mexico S.A. de C.V. owns 1%)
Wellenfoam N.V. (Belgium).............................................................less than 1
(Pactiv International Holdings Inc. owns less than 1% or 1 share; and Pactiv
Corporation owns more than 99%)
Pactiv Irish Finance Company (Ireland)........................................................100
Pactiv Leasing Company (Delaware).................................................................100
Pactiv Management Company (Delaware)..............................................................100
Pactiv Mexico, S.A. de C.V. (Mexico).............................................................0.01
(Pactiv Corporation owns 1 share; and Pactiv International Holdings Inc.
owns 499,999 shares)
Pactiv NHC Inc. (Nevada)..........................................................................100
Pactiv Protective Packaging Inc. (Delaware).......................................................100
Pactiv Retail Receivables Company (Delaware)......................................................100
Pactiv Romania Holdings Inc. (Delaware)...........................................................100
Pactiv RSA Company (Delaware).....................................................................100
PCA Romania Srl (Romania)..........................................................................50
(Pactiv Corporation owns 50%; and Kraftcorr Inc., an unaffiliated company,
owns 50%)
PCA West Inc. (Delaware)..........................................................................100
</Table>
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<Table>
Coast-Packaging Company (California General Partnership)........................................50
(PCA West Inc. owns 50%, as General Partner; and J. G. Haddy Sales
Company, an unaffiliated company, owns 50%, as General Partner)
Pactiv N.V. (Belgium).............................................................................99.6
(Pactiv Corporation owns approximately 99.6%; Pactiv International
Holdings Inc. owns 18 shares; and the remainder of the shares are held
by unknown third parties)
Sentinel GmbH Verpackungen (Germany)...................................................less than 1
(Scriptoria N.V. owns less than 1%; and Pactiv Corporation owns more
than 99%)
Sentinel GmbH Verpackungen (Germany)......................................................more than 99
(Pactiv Corporation owns more than 99%; and Scriptoria N.V. owns less
than 1%)
Pactiv Forest Products GmbH (Germany)..............................................................100
PCA Embalajes Espana S.L. (Spain)...............................................................99
(Tenneco Forest Products GmbH owns 99%; and Omni-Pac Ekco
Verpackungsmittel GmbH & Co. KG owns 1%)(1)..............................................100
Tenneco Inc. (Nevada)(1)...........................................................................100
The Baldwin Group, Ltd. (United Kingdom)...........................................................100
Ambassador Packaging Ltd. (United Kingdom).....................................................100
Coastal Packaging Ltd. (United Kingdom)...................................................100
Prempack Limited (United Kingdom).........................................................100
R & H Robinson (Sheffield) Ltd. (United Kingdom)..........................................100
Baldwin Packaging Limited (United Kingdom).............................................less than 1
(The Baldwin Group, Ltd. owns less than 1% or 1 share; and J&W
Baldwin (Holdings) Ltd. owns 99.9%)
J&W Baldwin (Holdings) Ltd. (United Kingdom)...................................................100
Baldwin Packaging Limited (United Kingdom)...............................................99.9
(J&W Baldwin (Holdings) Ltd. owns 99.9%; and The Baldwin
Group, Ltd. owns less than 1% or 1 share)
</Table>
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(1) In dissolution.
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<Table>
Jiffy Rugated Products Limited (United Kingdom).......................................99.9
(Baldwin Packaging Limited owns 99.9%; and The Baldwin
Group, Ltd. owns less than 1% or 1 share)
J&W Baldwin (Manchester) Limited (United Kingdom).....................................99.9
(Baldwin Packaging Limited owns 99.9%; and The Baldwin
Group, Ltd. owns less than 1% or 1 share)
Jifcour (UK) Limited (United Kingdom).....................................................99.9
(J&W Baldwin (Holdings) Ltd. owns 99.9%; and The Baldwin
Group, Ltd. owns less than 1% or 1 share)
Jiffy Packaging Company Ltd. (United Kingdom).............................................99.9
(J&W Baldwin (Holdings) Ltd. owns 99.9%; and The Baldwin
Group, Ltd. owns less than 1% or 1 share)
Pentland Packaging Limited (Scotland).....................................................99.9
(J&W Baldwin (Holdings) Ltd. owns 99.9%; and The Baldwin
Group, Ltd. owns less than 1% or 1 share)
J&W Baldwin (Manchester) Limited (United Kingdom).......................................less than 1
(The Baldwin Group, Ltd. owns less than 1% or 1 share; and Baldwin
Packaging Limited owns 99.9%)
Jifcour (UK) Limited (United Kingdom)...................................................less than 1
(The Baldwin Group, Ltd. owns less than 1% or 1 share; and J&W
Baldwin (Holdings) Ltd. owns 99.9%)
Jiffy Packaging Company Ltd. (United Kingdom)...........................................less than 1
(The Baldwin Group, Ltd. owns less than 1% or 1 share; and J&W
Baldwin (Holdings) Ltd. owns 99.9%)
Jiffy Rugated Products Limited (United Kingdom).........................................less than 1
(The Baldwin Group, Ltd. owns less than 1% or 1 share; and Baldwin
Packaging Limited. owns 99.9%)
Omni-Pac U.K. Limited (United Kingdom)..........................................................100
Pentland Packaging Limited (Scotland)...................................................less than 1
(The Baldwin Group, Ltd. owns less than 1% or 1 share; and J&W
Baldwin (Holdings) Ltd. owns 99.9%)
Pactiv (U.K.) Limited (Scotland)................................................................100
Alpha Products (Bristol) Limited (United Kingdom)..........................................100
Brucefield Plastics Limited (Scotland).....................................................100
Pactiv (Caerphilly) Limited (United Kingdom)...............................................100
Pactiv (Films) Limited (United Kingdom)....................................................100
Pactiv (Livingston) Limited (United Kingdom)...............................................100
Pactiv (Stanley) Limited (United Kingdom)..................................................100
</Table>
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<Table>
Polbeth Packaging (Corby) Limited (Scotland).............................................100
Pactiv Limited (United Kingdom)...............................................................100
The Corinth and Counce Railroad Company (Mississippi).............................................100
Valdosta Southern Railroad Company (Florida)..................................................100
798795 Ontario Limited (Ontario)..................................................................100
Astro-Valcour, Ltd. (Ontario).................................................................100
Pactiv Canada Inc. (Ontario)..................................................................100
Wellenfoam N.V. (Belgium)........................................................................99.9
(Pactiv Corporation owns 99.9%; and Pactiv International Holdings Inc.
owns less than 1% or 1 share)
Zhejing Zhongbao Packaging (Peoples Republic of China)...........................................62.5
(Pactiv Corporation owns 62.5%; and non-affiliates own 37.5%)
</Table>
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