About Us
Our team consists of some of the highest quality specialized technicians and experts in the world.
We are Entrepreneurs. Co-Owners. Partners.
IT Service Alliance (ITSA) is a trusted provider of enterprise IT services, specializing in the management, modernization, and support of legacy and mission-critical infrastructure for mid-market and Fortune 500 organizations.
Through our family of companies, we deliver end-to-end expertise spanning mainframe, midrange, open systems, and industrial automation.
What sets us apart is our commitment to reliability and depth of experience:
- A 100% U.S.-based team with decades of technical expertise
- Proven ability to support both modern and legacy platforms
- Comprehensive services including staff augmentation, remote infrastructure management, managed hosting, disaster recovery, and professional consulting
At ITSA, we understand that legacy doesn’t mean outdated—it means mission-critical. Our role is to help organizations protect, optimize, and modernize their environments while ensuring continuity, compliance, and cost efficiency.
Our Mission
To Service Legacy IT Environments and Partner for Modernization
Our Vision
To be the most trusted partner for enterprises navigating the balance between sustaining mission-critical legacy systems and embracing modern technologies – delivering reliability, security, and innovation that enable our customers to thrive in a rapidly evolving IT world.
Our Companies
- IBM z Mainframe Support
- IBM i Support
- Disaster-Recovery-as-a-Service (DRaaS)
- Mainframe-as-a-Service (MFaaS)
- Operating System Support
- Remote System Monitoring
- Remote System Administration
- Linux Patching
- Industrial Automation
- Legacy System Modernization
- Legacy Emulation
- Database Management
- Legacy Software Development & Migration
- Database Services