Yes, no doubt there are likely others that are doing the same thing, providing the OOBA solutions of SFOR through the channel partners such as ACS.
FWIW Aperia Solutions, which seems to be using SFOR IP through ACS, is estimated to have 33m in revenues. I would expect that is changing as they now seem to be a preferred technology partner of Paya which processes 27b in payment transactions.
http://www.buzzfile.com/business/Aperia-469-443-3282
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