CHICAGO–(BUSINESS WIRE)–Monroe Capital LLC (“Monroe”) announced it acted as sole lead arranger and administrative agent on the funding of a senior credit facility to support the acquisition of Summit Off Duty Services (“Summit”) by Security Services Holdings LLC (“Protos Security”), an existing portfolio company of Southfield Capital. Protos Security is a tech-enabled vendor managed security services provider in North America. Headquartered in Irving, TX, Summit is an off-duty police officer