Details of Medical Oxygen Manufacturers / Refillers / Suppliers, listed with AIIGMA REVISED LIST AS ON 17 TH JULY 2020 ALL INDIA INDUSTRIAL GASES MANUFACTURERS ASSOCIATION 215, Square One, C-2 District Centre, Saket, New Delhi 110 017 Phone : +91-11-41076159, +91-11-41076160 E mail : secretary@aiigma.org, aiigma@airtelmail.in Website : aiigma.org
GUJARAT 1 AIMS Industries Shwetanshu Patel 6352493103 Baroda 2 Aims Oxygens Pvt. Anish Patel/Naimish Patel 9925110106 9099157233 Vadodara 3 Aims Oxygens Pvt. Anish Patel / Sanjay Mistry 9925110106 9925110213 Surat 4 Bhagi Laxmi Bhavin Bhai 9898285037 Baroda, 5 Dev Nandan Thakkar 9327709913 Baroda 6 Hiltone Gas Nitesh Bhai 9825070680 Ahmedabad 7 Hiltone Gas Hital Bhai 9825070680 Vijapur 8 Inox Air Product Pvt. Himanshu Dubey 8156007574 Vadodara 9 Jaydeep Oxygen Ram Bhai 8552844069 Rajkot 10 Lalan Gas Pranav Patel 9925246680 Ahmedabad 11 Life Line Sanjay bhai 948678143 Vadodara 12 13 Madhav Industrial Madhuraj Industrial Pvt. Shankar Hingorani 9825046073 Rajkot Jignesh Shah 9824038152 Ahmedabad 14 Maruti Uday Madhwani 9825011158 Baroda 15 Nova Industrial Gas Mukesh Bhai 9825061148 Mehsana 16 Pawan Industrial Vishnu Patel 9824348902 Himat Nagar 17 Pranav Oxygen Harish Patel 9724811555 Surat 18 19 R R Patel Industrial Sethi Industrial Pvt. Ramesh Patel 9727722431 Ahmedabad Sujay Sethi 9978800021 Ahmedabad 20 Shakti Industrial Vishnu Bhai 9825335395 Vadodara 21 Shital Gas Bhaumik 9427362828 Patan 22 Shri Vinayak Speciality Amrish Bhatia 9825449298 Modasa 23 SK Vicky Punjabi 9890008112 Ulhas nagar 24 Swami Air Products (India) Minash 9825413638 Ahmedabad
25 Tirupati Oxygen Kaival Bhai 9825328080 Gujarat 26 Tirupati Oxygen Kaival Bhai 9825328080 Rajkot 27 Urmi Oxygen Vikas Gupta 9825027749 Vadodara 28 Verni Gas Piyush Patel 9879372600 Surat 29 P K Carbonics Abhay Kumar Shah 09979885331 Vapi 30 Saurashtra Oxygen Pvt. Kailash R Goyal 8000000700 9825225161 Gandhidham, (Kutch) GOA 1 Scoop Industries Sanjeev Naik 9822123715 Goa 2 3 Govind Poy Oxygen Limited The Southern Gas Limited Krishna D. Kamat 09822498500 09823738796 Salcete Gautam V. Pai Kakode 07875443567 Margao JAMMU & KASHMIR 1 Kashmir Rahul Bansal 9419108884 Samba, Jammu 2 Raj Gas Industries Manu Rana 9419187356 Jammu 3 JK Shafi 9797938140 Srinagar 4 North End Enterprises Altaf 7889849186 Srinagar KARNATAKA 1 Amogh R Mohan Kumar 9448483854 Bengaluru 2 Amogh R Mohan Kumar 9448483854 Tumkur 3 ASIAN OXYGEN Shibu 9440457488 Nellore 4 5 Belgaum Oxygen Private Limited Belgaum Oxygen Private Limited Venkatesh Patil 9844053348 Koppal Venkatesh Patil 9844053348 Belgaum
6 Bentley India Arihant Ranka 9886608550 BIDADI 7 Bhuruka SASHIDHARAN 7760976505 Whitefield 8 Bhuruka Pvt. Mahesh 7760976502 Bangalore 9 Eureka Manjunath 9035588758 9535509423 Bangalore 10 Gadag Oxygen Prakash 9449829060 Belgaum 11 Galaxy Air Products R Tothumuthu 9448821347 8867715015 Bangalore 12 Indhra Medical Dinesh Kumar 9500173570 Kovalur, Nellore 13 Inox Air Products Kiran Radu 9980099440 Bangalore, 14 Kammath Ind Gas Kamat 9902191333 Shimoga 15 Karnad Uday Pai 9989800119 Mangalore 16 Karnatak Industrial Pvt. Benjamin 9844092022 Hubli 17 Kaveri Gas Products D Rawther 8746828412 9442607065 8296151526 Mangalore 18 Kulkarni Oxygen V. Kulkarni 9481631655 Belgaum 19 Kulkarni Oxygen Vijay Kumar B Kulkarni 9481631655 9481631677 Bijapur 20 Kumar Oxygen Ravi Kumar 099490 45616 Ananthapur 21 Lakshmi Cryogenics Shetty 9343565554 7204342964 22 Lakshmi Gas H D Madhu 9844075640 Mangalore Mangalore/ Hassan 23 Linde India Macmiller 9944948580 Bangalore 24 M.S.P.L. Girish 9900256810 Bellary 25 Malabar Oxygen Company Gautham Poy 0824-2407221 2406221/2400221 9480050141 Mangalore
26 Padaki Air Products Venkatesh Padaki 9902855177 8453200000 Mysore 27 Pai Industrial And Medical Ravi Pai 9845063166 9152108947 Bangalore 28 Peenya Industrial Prem Krishna 9686668643 Bangalore/Kerala 29 Praxair Pvt. R C Kaushik 932454843 Bangalore 30 Southern Gas S Pai 9845543677 Bangalore 31 32 33 Spec & Cal Sri indra Medical Sri Vinayaka Enterprises K Manoharan 9769577885 Bangalore Dinesh 9500173570 Nellore B.S. Shadakshari, B. Basavanna 9483760575, 9900348452 Mysore 34 Universal Air Products RajaShehal 9900562307 Bangalore 35 Universal Air Products Subhashish Guha Roy 9845063119 Bangalore 36 Varasi Oxygen Ashok kumarreddy 8143995555 Kadappa 37 Vigneshwara oxygen Joe Pasad 9846231443 Aluva KERALA 1 Arun Oxygen Arun 9847078045 Palakkad 2 Das Air Product Pragit 9847374747 3 4 Inox Air Products Mananchery Air Product Calicut/ Malapprum Mani 9677072337 Palakkad Unni 9388472123 Cochin 5 Nandanam Oxygen Akilesh 9947280695 Trichur 6 Narayana Gas Sasi 9895170349 Cochin 7 Premier Dayanan 9447243239 Palakkad 8 Trichur Air Product Venugopal Nair 9496739832 Trichur 9 Venkateswara Senthil 9443023076 Palakkad
10 Vigneswara Oxygen Prasad 9496824218 Cochin 11 Vigneswara Oxygen Vishnu 8606635276 Trichur 12 Manorama Oxygen Anthony Joseph 9895030269 Cochin and Other PartS of Kerala MAHARASHTRA 1 Ahmednagar 2 Balaji Air Product Ashish Jaju/ Pankaj Jaju 3 Bharat Commercial Centre 4 Nikhil Medico Anit Sathe 5 Pinnacle Industries 6 Ravindra Oxygens Pvt. Vilas Lodha 9028789783 Ahmednagar 9370025610 8600828485 Ahmednagar Rao 8600828485 Nashik Amol Jadhav Varpe 9422749454 9822012384 9422246669 8983052777 Nashik Nashik Suned Shate 9860314400 Nashik 7 Sharaddha Air Product Dangerwal 9422222875 Ahmednagar 8 Sunny Industrial Pvt. Sunny/Siddharth 9049809998 9373900523 Nashik 9 Linde India Shashi Rao 9892376554 Pune, Mumbai 10 11 12 Inox Air Products Pvt. Raigad Gas India Pvt. Satramdas Air Products Solapure 9881640104 Chakan, Pune Vijay Damodare Sunil Gupta 9325025131 9325025132 Pradip Punjabi 9820488641 Chakan, Pune Rabale, Navi Mumbai 13 Sandesh Yogesh Sethia 9822947670 Chakan, Pune 14 Kay Nitrogen Yogendra Chaudhary 9881491680 15 16 Kolhapur Oxygen Pvt. Rukmani Metals and Gaseous Pvt. Rajendra Gadve 9422045716 9561252345 jejuri/ Satara/ Kolhapur Kolhapur Anant Bndal 9325212663 Nagpur 17 Shraddha Air products Prakash Dungarwal 9422222875 Ahmednagar
18 Ahmednagar industrial Ramesh Lodha 9423160683 Ahmednagar 19 Gina A. H. Contractor 9821342839 Bhiwandi, Mumbai 20 Phoenix Industrial Salim Rakhangi 9930403747 Rabale, Navi Mumbai 21 Pinnacle gases Nilesh 8983052777 Nashik 22 Nikhil medico Anil shete 9422749454 Nashik 23 Bhartiya medical Mohan 9373115161 Nagpur 24 Sagar Manish Mittal 25 SR gases SatyenJethra Hitesh Jethra 9764377999 9225577999 9820985900 9029070742 Aurangabad Wada 26 Balaji Air Product Sham Jaju 9370025610 Sangamner 27 Laxmi Ashish Jajo 9370025610 Sinner 28 Praxair India N J Paulose 7710004092 Pune and Mumbai 29 Essem Pvt ltd Sanjay Agrawal 9823088673 Jalna 30 Arnichem Industries Javed Manoj Gaikwad 7776823823 8484064940 Solapur 31 Mahalaxmi Chotia 9108010367 Icchalkaranji 32 Bharat Industrial Nitin Prabhu 9822458445 Sangli 33 Bharat Distributers Umesh Kaboor 9850411738 Satara 34 Galaxy Industrial Purohit 9322988561 Vasai 35 Speed oxygen Shailesh Thakur 9923556483 Vasai 36 Hi Tech gases Amit Lodha 9730345679 Ahmednagar 37 Sunny Industrial Sales Sunny 9049809998 Nashik 38 Awadh Oxygen Manoj Giri 82085 15092 Tarapur 39 Harshita Ashish Bhandari 9422775792 Jalgaon 40 Aditya Air Products Ishaan Goel 9822720066 Nagpur 41 Shivam Narendra Agarwal 7507993999 7507991999 Jalgaon
42 Govinda Saurabh Gindodia 43 Rukmani Metals and India (I LTD.) 8275103509 7507699616 Dhulia R K Chopra 9922443055 Aurangabad 44 Shivam Manish Agrawal 9225577999 Aurangabad 45 Surshil Ajeet Jain 9423782799 Aurangabad 46 Harshita Pvt. Ashish Bhandari 9422775792 Jalgaon 47 Shivam Oxygen Pvt. Ashish Bansal 7507993999 9422223825 Jalgaon 48 Balaji Air Product Ashish Jaju 9370025610 Ahmednagar 49 Shraddha Air Product Prakash Dungarwal 9422222875 Ahmednagar 50 Ahmednagar Pvt. Vilas Lodha 9028789783 Ahmednagar 51 Pinnacle Industries Amol Jadhav 9422246669 Nashik 52 53 Ravindra Oxygen Pvt. Sunny Industrial Pvt. SumedShate 9860314400 Nashik Siddharth 9373900523 Nashik 54 Nikhil Medico Anil Shate 9422749454 Nashik 55 Bharat Commercial Center Rao 9422259099 Nashik 56 Shriram Agencies Anil Gindodiya 9422788259 Dhule 57 Shashi Machinery & Agencies Sanjay Kore 9422295082 Beed 58 Hariom Gas Industries Bharat Gore 9822548618 Beed 59 Vikas Oxygen Jogdand 9764558252 Beed 60 Ganesh Medi Needs Sunil Bhartiya 9923045415 Nanded 61 Nana Gas Industries Jayesh Phatale 9850065707 Latur 62 MSPL Deshpande 9881454649 Sholapur 63 Gujarat General Store Papu seth 9822072370 Sholapur 64 Taiyo Nippon Sanso India Gaurav Kishore 9971404081 Pune
65 Satram Gas Pradip Punjabi 9820488641 Navi Mumbai 66 SSD Amit Punjabi 9320757537 Navi Mumbai 67 Kolhapur Oxygem Gadve 9422045716 Kolhapur 68 Galaxy Oxygen Karan Purohit 9322988561 Maharashtra 69 Tripti gases Ravi Pujari 9819909946 Mumbai/Pune 70 Sahni Gaurav 8999242424 Pune/Mumbai 71 Sadharam gas Mohan bajaj 9860399529 Mumbai/Rabale 72 Devi Patil Anil Patil 9372272282 Kolhapur RAJASTHAN 1 Adarsh & Techno Industries Shantilal Jain 0294-491150 Udaipur 2 Ajmer Subhash Bhatted 9214173658 Ajmer 3 Ankur J H Kamboj 9409102457 Jaipur 4 Earnest Pvt. S D Sethi 9829043416 Udaipur 5 Inox AP Ltd Vinod Singh 9999162672 Bhiwadi 6 Shri Ram gas Sandip Rathi 9828931071 Jodhpur 7 Thanwardas Chotelal Anil Bhai 9829025500 Jodhpur 8 INOX Air Products Abhishek Yadav 9999244409 Bhiwadi, Alwar 9 Progressive Air Products Jhabar Mal 9310597339 Ringus, Sikar 10 Raashi Air Products Prashant Atri 7062544444 Jaipur 11 Rajasthan Air Products Rajesh Aggrawal 9799885341 Jaipur 12 Wilson Air Products Santosh Gupta 9829057251 Jaipur/Kota 13 14 Guljag Private Limited Shree Hari Pvt. Umesh Dhoot 09829807900 Jodhpur Sushil Chand Agarwal 09829066757 Jaipur
TAMIL NADU 1 Adhiyaman Babu 9443232741 Krishnagiti 2 Airpack murali 9843484215 Kanchipuram 3 Arasan Air Products S Anand Ganesh 9842134090 Tuticorin 4 Arasan Gas Saravanan 9442574805 Madurai 5 Barath Oxygen Babu 6 Chennai Oxygen Chandra Mohan 9444003856 8778731935 044-26243715/ 26254272 / 26250764 9962353535 Chennai Chennai 7 Covai Air Products Dileepan 9442614587 Coimbatore 8 Erode Air Products Ponnuswamy 9443394275 Tuirrupur 9 Erode Air Products Ponnuswamy 9443394275 Erode 10 Gas & Gas Agencies Pradeep 9841513300 Chennai 11 General Gas Vigneshwar 9488937569 Kanyakumari 12 Hari Oxygen Saravanan 08500675999 09885633855 Krishna 13 Kadavil Oxygen Gas Agencies Biju Mammen 9947027512 9847894205 9497374205 0479-2428433 Pathanamthitta 14 Kalyan gas Ravi Nachiapan 9443142426 Coimbatore 15 Kovai Air product Dileepan 9442614587 Coimbatore 16 Krishna Agencies Manoharan.P.C 9447016161 0480-2806161 Thrissur 17 Murugan Gas Agency Gajapathy 9443343109 Dindugal 18 National Oxygen Limited Elumalai 9944540293 Pondicherry 19 National Oxygen Ltd.ParathiElamvazhidhi 9940082412 Chennai 20 Ragavender Gas Agencies Nirmal 9842391651 Salem 21 Rajee Guna 9894045733 Salem
22 Seva Alagappan 9894020509 Coimbatore/ Trichy 23 SICGIL SOL LTD Yoganandh 8754479833 Chennai / Trichy 24 Sreekala Oxygen Company Reshma 9947280695 483-2742524 Malappuram 25 Sri Balaji Enterprises P Mahi 9688610111 Salem 26 Sri Lakshmi Oxygen Senthil 9442110005 Namakkal 27 28 Sri Sharadha Parmeshwari Sri Venkateswara Oxygen P Mahi 9688610111 Erode Nithyanand 9443069292 Coimbatore' 29 Star Surgicals Babu 9443232741 Dharampri / Krishnapuri 30 T N Oxygen R Kannan 044-23740707 23743582 7299991134 9094001166 7299991135 Chennai 31 Tamil Air Products Pvt Ltd R Kannan 9094001166 Chennai 32 Vaideeswara Oxygen Ganesh 9345054900 Trichy 33 Vaideeswara oxygen Ganesh 6381732094 Tiruchirappalli 34 Vallal and Co Vallal 9942209229 Theni 35 Sri Venkateshwara Oxygen Nithyanantha 9443969292 Coimbatore 36 Vijay Kumar Vijayalingam 9894202000 Salem 37 VN Medi Vimal 9790942270 Chennai 38 Kalyan Oxygen Pvt. N. Sivanadian 09443374162 09443142426 Madurai
TELANGANA / ANDHRA PRADESH 1 Amaravathi Tulsi Naidu 9963900069 Hyderabad 2 3 Oxyvision Medical Ravindra Medical and Industrial Md. Mujeeb Khan 9391114386 Hyderabad Siddardhareddy Nacharam 8121666666 Hyderabad 4 Sri Krishna Godavari Venugopal Naidu 9666653907 Tirupathi 5 Srinidhi Air Products Lanaga Visweswara 9866089555 Hyderabad 6 Sri Sai Industrial Sajja Pagadaiah 9885611633 Hyderabad 7 Coromandal Gas Company Mohan Krishna 9394777070 9399914467 Visakhapatnam 8 9 Vingas Industries Lifecare Medical Sathyanarayana 9849129996 Visakhapatnam N. D. Butcheswara Rao 09848023353 Vijayawada 10 Sasirekha Agencies K. Siva 09848365601 Ongole 11 Ellenbarrie Industrial Ltd Tapan Bhattacharya 9987005090 Parwada, Viskhapatnam 12 Ellenbarrie Industrial Ltd Tapan Bhattacharya 9987005090 Jadchelra, near Hyderabad 13 Sasirekha Agencies K. Siva 09848365601 Ongole EAST / NORTH EAST (ASSAM/ODISHA/WEST BENGAL/ CHHATISHGARH / BIHAR) 1 2 3 4 5 6 Assam Air Products Assam Air Products Assam Air Products Assam Air Products Assam Air Products Assam Air Products Vivek Zoarder 9707056937 Bongaigaon Anup Paul 7636822606 Sivsagar Ashim Mohanta 9706301778 Silchar Immamul Hussain 9101346211 North Lakhimpur Jibon Chandra Sarma 9864202125 Saukuchi, Guwahati Mamud Rashid Ahmed 9435155535 Beltola, Guwahati
7 8 9 Assam Air Products Assam Air Products BANSHI AIR GASES PVT. LTD. Raju Hazarika 9957573976 Samaguri, Ratul Saikia 8404096172 Duliajan Gaurav 0612-3207044 Bihar 10 Meghalaya Oxygen Pvt Pravin Jain/SatishSharma/Gautam hazarika 9401010101 9435553142 9854165494 Meghalaya 11 Goyal MG Pvt limited Shudhakar Jha 9735317722 Durgapur -West Bengal 12 Echo gases sukendu 9830059282 Kolkatta 13 Ellenbarrie Industrial Ltd Tapan Bhattacharyya 9987005090 Kolkata, West Bengal 14 Radhika Tapan 9831103377 Kolkatta 15 16 17 Pataliputra Oxyzen Northeast Pvt. Patliputra Industrial Sandeep Kumar 7903029067 Bihar Surendra Nath Dubey 9435022463 Dhaliong Anand Kumar Shroff 9334046080 Patna 18 Usha Air Products H. N. Prasad 09386094153 Patna 19 20 21 Lupin Private Limited Anand Industrial Pvt. Paradeep Oxygen Private Limited Kamal Kedia 09893600003 Raipur J. Mahapatra 09937000587 Bhubaneswar Subhranshu Samantaray 09238445610 Cuttack 22 S N Ajay Kumar Agarwal 09861313680 Sambalpur Dist 23 24 M T C (India) Pvt. Shankar Gas Industries Pvt. Narindrra H. Baiid 09002120037 Siliguri G. S. Agarwala 09434051222 Kolkata 25 26 Super & Appliances Pvt. Paradeep Oxygen Pvt Ltd Mukesh Kakar 09002291842 Kharagpur S D Nair 9238445615 Cuttack 27 BMA Liquid Air B Imti Aier 9436005525 Dimapur, Nagaland
NORTH INDIA (DELHI / NCR / UTTAR PRADESH / HIMACHAL PRADESH/ HARYANA/ PUNJAB/ UTTARAKHAND/ HARYANA/MADYAPRADESH) 1 Aditya Abhishek 9999829226 Panipat 2 Agarwal gases Agarwal 9359931390 Meerut -U.P 3 Aggrawal Vishal Aggrawal 9359931390 Meerut 4 Aggrawal & Industries Rajesh Aggrawal 9416341441 Bawal, Rewari 5 Agra Medical Anil 9219274797 Agra 6 Anaesthetic Pvt. M.K.Bansal 9216576933 Derrabassi 7 Arun Oxygen Limited Arun Garg 9215586713 Yamuna Nagar 8 Bharat Oxygen Traders 9 Crown Air Products A. K Singhal Veena Gupta / Rithesh Gupta 9634480976 9412056206 Dehradun 9911006015 Delhi 10 Divya Air Product Abhishek Dahiya 9996815222 Sonepat Haryana 11 Goyal MG Pvt limited Pankaj Srivastava 8586982821 Ghaziabad/NCR 12 Gupta Oxygen Anand Gupta 9812009352 Hisar 13 Hitech Industries Ltd Vikram Bharwal 092164-80333 North 14 Inder & Company Surender Singh 8400118400 Jhansi 15 Indian Glycol Limited Abhishek 9540054758 Kasipur - U.K 16 INOX Air Products V.M. Nayyar 9878071401 Barotiwala 17 INOX Air Products Abhishek Yadav 9999244409 Greater Noida 18 Inox AP Ltd Vinod Singh 9999162672 Surajpur UP 19 Inox AP Ltd Vinod Singh 9999162672 Baddi Himachal 20 21 Jalan & Allied Indust Pvt.Ltd Jay Ess Industrial Pvt. Rishab Jalan 9815221969 Rajpura Gurmeet Singh 9216862843 Bathinda 22 Kalinga Amit Modi 9412248290 Moradabad 23 Kansal Industrial Rohit Kansal 9927010286 Meerut 24 Ketee Welding Atul Mehrotra 7860023117 Lucknow
25 Krishna Gas Agencies Manoj Arora 9837013757 Meerut 26 Kumar Agencies Ashok Kumar 7906248939 Bareilly 27 Kwatra Vipin Kwatra 8218473303 Moradabad 28 Lakshmi Carbide Sandeep Gupta 9034033333 Ambala 29 Mayur Air Product S S Rathi 9971766788 Okhla Delhi 30 Modi Chemicals & Industries Praveen Modi 9838203509 Gorakhpur 31 Multan Air Products Archit Gupta 8826674242 Bawana, Delhi 32 Murari Industrial Ajay Mishra 9415040705 Kanpur 33 Murari Ajay Mishra 9415040705 Lucknow 34 National Air Products Ashok Agrawal 9810497171 Ghaziabad 35 Orbit Rishab Jalan 9815221969 Naraina, New Delhi 36 Seth Air Products Tarun Seth 9818111127 Palwal, Faridabad 37 Sukhmani Ashok Gupta 9818204180 Bhiwadi, Alwar 38 Universal Gas Company Himanshu Chaudhary 9837004798 Mathura 39 V. S. Industries Nitin Khandelwal 9837002074 Bareilly 40 Vinayak Oxygen Abhishek Gupta 9810807576 Mayapuri -New Delhi 41 Panki Oxygen Kamesh 7275000022 Kanpur 42 Mayur 43 Sharang Plastengg Pvt Ltd Virender Kumar Agrawal 9453033818 Gorakhpur Prashant Gupta 9415002811 Lucknow 44 Srinathji Prashant Gupta 9415002811 Lucknow 45 Linde India Limited Surender Singh 7895000454 North India 46 47 Air Liquide India Holding Kumar Oxygen Pvt. Jaffar Khan 9871392705 North Shiv Kumar Agarwal 09837060376 Rudrapur/Uttarakhand 48 Gupta Industrial Pvt. Rajesh Gupta 09996322100 (R.G) 09996330100 (V.G) Hisar 49 Imperial G. K. Luthra 09415239030 08726772225 Allahabad
50 Indian Air Limited A. K. Gupta 9811828200 Varanasi 51 S P Industries Harshvardhan Vaish 8899253909 Bareilly 52 Rewa Pvt. Deepak Saboo 07987555260 09425177260 Waidhan P. O. NOTE: 1. Guidelines and List of Manufacturers of Medical Oxygen would be updated as and when required 2. Manufacturers/Refillers/Suppliers who wish to include their names in the List may kindly contact AIIGMA at secretary@aiigma.org to register themselves