Payroc, LLC, a leading merchant services and payment organization, is pleased to announce that it has acquired Integrity Payment Systems, LLC, a full-service processor and acquirer. This transaction results in a significant expansion of Payroc’s payments business. The combined Chicagoland companies have more than 27,000 merchants and over $8.2 billion in annual core merchant processing volume. Additionally, Payroc and Integrity are expanding their member bank sponsor relationships with the addition of Chicago-headquartered MB Financial Bank, N.A. Payroc has registered to become an independent sales organization (ISO) with MB Financial, and Integrity has registered to become a third-party payment processor, ISO and encryption support organization (ESO).