1Pay Mobileware Private Limited
Abhibha Technologies Private Limited
Adyen India Tech Hub Private Limited
Airpay Payment Services Private Limited
Airtel Payments Bank
Ajcon Edufin Private Limited
Ajcon Global Services Limited
Amazon Pay India Private Limited
American Express Banking Corporation
Angelic Infotech Pvt Ltd
ANQ Digital Finserv
Axis Bank Limited
Axis Securities Limited
Bajaj Finserv
Balancehero India Private Limited
Bandhan Bank Ltd.
Bank of America
Bank of Baroda
Bank of China India Branch
Bank of India
Bank of Maharashtra
Barclays Bank PLC
Bharat Co operative Bank (Mumbai) Ltd. 
Bitcipher Labs LLP
BNP Paribas
Canara Bank
Capstocks and Securities India Pvt Ltd
Cashfree
CCAvenue
Central Bank of India
Chatterjee & Tripathi Consultancy Private Limited
Citibank
City Union Bank
CoinSwitch - Bitcipher Labs
Computer Age Management Services Ltd
Cosmos Cooperative Bank
CSB Bank Ltd
Cushman Wakefield
DBS Bank
DCB Bank
Deutsche Bank
Dhanlaxmi Bank Limited
Digiotech Solutions Private Limited
Dow Jones Consulting India Pvt Limited
Dreamplug PayTech Solutions Private Limited
E Meditek Global Pvt Ltd
Easebuzz Private Limited
Emirates NBD Bank (P.J.S.C)
Equitas Small Finance Bank
Excelium Technologies Pvt Ltd
Federal Bank Ltd
Fincare Small Finance Bank
Fincrypt LLP
Finlogic Technologies India Pvt Ltd
Fino Payments Bank Limited
Fintelekt Advisory Services Pvt Ltd
FirstRand Bank
Freecharge Payment Technologies Pvt. Ltd.
Fullerton India
Futuretek Commerce Pvt Ltd
Giottus Technologies Pvt Ltd
Global Payments Asia Pacific Pvt Ltd
Gobrisk Technologies Pvt Ltd
Google India Digital Services Private Limited
GP Parsik Sahakari Bank Ltd
HDFC Asset Management Co Ltd.
HDFC Bank Ltd
HDFC Mutual Fund
Hiveloop Internet Private Limited
HSBC Bank
ICICI Bank
IDBI Bank Ltd
IDFC First Bank Ltd
Indiaforensic Center of Studies
IndiaIdeas.com Limited (BillDesk)
Indian Overseas Bank
IndusInd Bank
Infibeam Avenues Limited
Innoviti Technologies Private Limited
Jalgaon Janata Sahakari Bank
Jammu & Kashmir Bank
Jana Small Finance Bank Ltd
JLL
JP Morgan Chase Bank
Karad Urban Co-Operative Bank
Karnataka Bank Ltd
Karur Vysya Bank Ltd
Kotak Mahindra Bank Ltd
Letzpay Solution Pvt Ltd
LexisNexis Risk Solutions Inc
Lightningnodes Technologies Pvt Ltd
LivQuik Technology (India) Private Limited
Lyra Network Private Limited
Mahanagar Cooperative Bank Ltd
Mashreq Bank PSC
Mindless Pandora Tech Solutions Private Limited
Mizuho Bank
MUFG
Nainital Bank
Neblio Technologies P Ltd
New India Cooperative Bank Ltd
Nextgendev Solutions Pvt. Ltd
NKGSB Co-op. Bank Ltd
Nomura Fixed Income Securities Private Limited (NFIS)
Nomura Capital (India) Private Limited (NCIPL) 
NPCI
NSDL Database Management Ltd
NSE
NTT Data Payment Services India Ltd
Ola Financial Services Pvt Ltd
One Mobikwik Systems Limited
One97 Communications
Paygate India Private Limited
Paymate India Ltd
Payments Council of India
Paypal Payments Pvt Ltd
Payglocal 
Payoneer India Private Limited
Paysharp Private Limited
PayTM Payments Bank
PayU Payments Private Limited
Phi Commerce Private Limited
PhonePe Private Limited
PhonePe Insurance Broking Services Private Limited
PhonePe Wealth Broking Private Limited
Punjab National Bank
Rabobank
Razorpay Software Private Limited
RBL Bank Ltd
Reliance Payment Solutions Ltd
SabPaisa
Saraswat Bank
SBI Life Insurance
SBM Bank
Scotiabank, India
South Indian Bank Ltd
SRS Live Technologies Pvt Ltd
Standard Chartered Bank
State Bank of India
Stripe India Private Limited
Suncrypto
Suryoday Small Finance Bank Ltd
Tapits Technologies Private Limited
Tata AIG Life
The Kalupur Commercial Co Op Bank Limited
Transak Technology India Pvt Ltd
Tri O Tech Solutions Private Limited
Tyche Payment Solutions Private Limited
UBS AG, India
UBS Securities India Private Limited
UCO Bank
Ujjivan Small Finance Bank
Unimoni Enterprise Solutions Pvt Ltd
Unimoni Financial Services Ltd
Union Bank of India Ltd
Unocoin Technologies Pvt Ltd
WazirX - Zanmai Labs Pvt Ltd
Western Union Services India Pvt. Ltd.
Worldline ePayments India Private Limited
Wunderbaked Technologies Private Limited
Xsilica Software Solutions Private Limited
Yes Bank
Zaak Epayment Services Private Limited
Zebpay - Awlencan Innovations
Zerodha Broking Limited
ZIGRAM