RSI - Renaissance Systems, Inc. Email Format

Computer and Network SecurityTexas, United States11-50 Employees

Renaissance Systems, Inc. (RSI) operates in the computer and network security field, delivering cybersecurity and IT solutions to businesses. It is based in Austin, Texas, with roots dating back to 1982 and a founding emphasis on the value of relationships. The company focuses on addressing both immediate security incidents and ongoing IT challenges so clients can concentrate on running their operations.

Its service portfolio covers cybersecurity, managed IT services, professional services, managed security, custom application development, and unified communications. Its client base includes small firms in Texas and growing companies nationwide that seek help with data protection, risk management, and IT modernization. In March 2025, RSI announced a partnership with Jenne Inc., illustrating an expansion of its partner ecosystem.

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