Exhibit 21.1

|Arcair Stoody Europe S.A. (Belgium)
Europa Building
Chorley North Industrial Park
Drumhead Road
Chorley Lancashire PR6 7BX England    
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|BBM S.r.l. (Italy)                                                                                                                    
|C&G Systems Holding, Inc.
16052 Swingley Ridge Rd, Suite 300
St. Louis, MO 63017                                                      
|C&G Systems, Inc.
1401 Glenlake
Itaska, IL 60143                                                                                      
|Canadian Cylinder Company
2220 Wyecroft Road
Oakville, Ontario
Canada L6L 5V6                                                         
|Comet Property Holdings Inc.
Accra Bldg. 122 Gamboa Street
Lagaspi Village
Makati City, Philippines                                   
|Cigweld Pty Ltd.
73 Gower Street
Preston Victoria, 3072
Australia                                                                     
|Commercialization Metal Service Ltda
Piloto Lazo #90 Cerillos
Santiago, Chile                                                         
|Comweld Malaysia SDN. BHD.
Lot 151, Rawang Integrated Industrial Park
Jalan Batu Arang
48000 Rawang
Selangor Darul Ehsan
West Malaysia
|Comweld (Philippines) Inc.
73 Gower Street
Preston Victoria 3072
Australia                                                            
|Duxtech Pty Ltd.
73 Gower Street
Preston Victoria 3072
Australia                                                                      
|GENSET SpA
Thermadyne Italia S.P.A. fka PALCO, Italia S.P.A.
Via Stazione 5
Villanova d'Ardenghi
Pavia 27030 Italy                    
|Maxweld & Braze Pty. Ltd.
Luton Road and Bristol Street
Benoni Industrial Sites
Benoni, South Africa 1501                             
|MECO Holding Company
16052 Swingley Ridge Rd, Suite 300
St. Louis, MO 63017                                                           
|O.C.I.M. S.r.l.
Via Benaco, 3
S. Giuliano Milanese (MI)
Milan, Italy 20098                                                            
|Palco Trading Company
P.O. Box 34 - 35
Dubal, UAE                                                                                     
|Philippine Welding Equipment, Inc.
Ground Floor, PWE Bldg.
North Road Jagobiao
Mandaue City
Cebu, Philippines                         
|Pro Tip Corporation
16052 Swingley Ridge Rd, Suite 300
St. Louis, MO 63017                                                            
|PT Comweld Indonesia
Kawasan Industri Jababeka
JI Jababeka VI Block P No. 3
Cikarang, Bekasi 17550
Indonesia                          
|PT Thermadyne Utama Indonesia
Kawasan Industri Jababeka
JI Jababeka VI Block P No. 3
Cikarang, Bekasi 17550
Indonesia                 
|Quetack Pty Ltd. Trustee
73 Gower Street
Preston Victoria 3072
Australia                                                              
|Quetala Pty Ltd. Unit Holder
73 Gower Street
Preston Victoria 3072
Australia                                                          
|Quetala Unit Trust
73 Gower Street
Preston Victoria 3072
Australia                                                                    
|Solduras Soltec Ltda
Piloto Lazo #90 Cerrillos
Santiago 7278654 Chile                                                                 
|                                                                                                                                      

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|Stoody Company
5557 Nashville Road
Bowling Green, KY 42101                                                                                           
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|Tec.Mo. S.r.l.
Via Rio Fabbiani, 8
40067 Rastignano
Bologna, Italy                                                                                   
|Tec. Mo. Control S.r.l.
Via Rio Fabbiani, 8
40067 Rastignano
Bologna, Italy                                                                          
|Thermadyne Asia/Pacific PTE Ltd.
UE Tech Park #02-03
8 Pandane Crescent
Singapore 128464                                                             
|Thermadyne Asia SDN BHD (Malaysia)
Lot 151, Rawang Integrated Industrial Park
Jalan Batu Arang
48000 Rawang
Selangor Darul Ehsan
West Malaysia       
|Thermadyne Australia Pty Ltd.
73 Gower Street
Preston Victoria 3072
Australia                                                                        
|Thermadyne Brazil Holdings, Ltd.
16052 Swingley Ridge Rd, Suite 300
St. Louis, MO 63017                                                              
|Thermadyne Chile Holdings, Ltd.
16052 Swingley Ridge Rd, Suite 300
St. Louis, MO 63017                                                               
|Thermadyne Cylinder Co.
16052 Swingley Ridge Rd, Suite 300
St. Louis, MO 63017                                                                       
|Thermadyne de Mexico S.A. de C.V.
Francisco del Paso y Troncoso 869
Col Los Reyes
Mexico City, Mexico 08620                                          
|Thermadyne do Brasil Ltda
Rau Marechal Deodro 597
Vila Paulo Apto 121
Sao Caetano Do Suls 09541300                                                   
|Thermadyne Foreign Sales Corporation (Barbados)
c/o Price Waterhouse Corporate Services
Price Waterhouse Centre
Collymore Road, St. Michael, Barbados
|Thermadyne Holdings Corporation
16052 Swingley Ridge Rd, Suite 300
St. Louis, MO 63017                                                               
|Thermadyne Hong Kong Limited
3rd Floor Block G Marigold Garden
12-14 Marigold Road
Kowloon
Hong Kong                                                 
|Thermadyne Industries, Inc.
16052 Swingley Ridge Rd, Suite 300
St. Louis, MO 63017                                                                   
|Thermadyne Industries Ltd (UK)
Europa Building
3 Chorley North Industrial Park
Chorley Lancashire PR6 7BX England                                    
|Thermadyne International Corp.
2070 Wyecroft Road
Oakville, Ontario
Canada L6L 5V6                                                                   
|Thermadyne Italia SRL
Via Gb Stucchi 66120A
Monza, Italy 20052                                                                                       
|Thermadyne Japan Ltd.
4-3-18-201 Zuiko Higashi
Yodogawa-Ka
Osaka, Japan 533-0005                                                                     
|Thermadyne Korea, Ltd.
Lot 151, Rawang Integrated Industrial Park
Jalan Batu Arang
48000 Rawang
Selangor Darul Ehsan
Malaysia                        
|Thermadyne Receivables, Inc.
16052 Swingley Ridge Rd, Suite 300
St. Louis, MO 63017                                                                  
|Thermadyne South Africa (Pty) Ltd.
Dba Unique Welding Alloys
Cason Road & Third Avenue
Boksburg North
South Africa 1460                              
|Thermadyne South America Holdings, Ltd.
E&Y Corporate Services Ltd.
One Capital Place PO Box 1034
George Town Grand Cayman
Cayman Island             
|                                                                                                                                                     

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|Thermadyne (Thailand) Co. Ltd.
Piansri Wattana Bldg. 29/9 Moo 14
Banga-Trad Road Rm 6 Bangkaew
Bangplee Samutprakarn Thailand 10540
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|Thermadyne Victor Ltda
Avenida Brazil 13629
Rio de Janeiro RJ 21012 - 351
Brazil                                                   
|Thermadyne Welding Products Canada, Ltd.
2070 Wyecroft Road
Oakville, Ontario
Canada L6L 5V6                                       
|Thermal Arc, Inc.
2200 Corporate Drive
Troy, OH 45373                                                                              
|Thermal Arc Philippines Inc.
Ground Floor, PWE Building
North Road, Jagobiao
Mandaue City 6014
Cebu Philippines                    
|Thermal Dynamics Corporation
Industrial Part #2
West Lebanon, NH 03784                                                             
|Thermal Dynamics Europe, S.r.l.
Via Rio Fabbiani, 8
40067 Rastignano
Bologna, Italy                                                
|Tweco de Mexico SA de C.V.
Jesus Siqueiros 652
Col. Alvaro Obregon
Hermosillo Sonora, Mexico 83170                                 
|TWECO Products, Inc.
4200 West Harry
Wichita, KS 67209                                                                             
|Victor Equipment Company
2800 Old Airport Road
Denton, TX 76205                                                                    
|Victor Equipment de Mexico, S.A. de C.V.
Jesus Siqueiros #652
Colonia Alvaro Obregon
Hermosillo, Sonora, Mexico, 83170             

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