iBPM Signer is used for requesting client certificates to sign hash
Turbo S.A - Groupe BPCE
https://ca.agroprombank.com/
http://www.statum.info/
Topaz Systems Inc
http://hotsite.certisign.com.br/certiplugin/chrome/extension/
JSC IIT
gde.desarrollo.apn
FEPWeb do Brasil
Prodemge
eProcurement DXC
https://websigner.softplan.com.br/
Flixsign