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Who is Decision Support, Inc. (DSI)?
Decision Support, Inc. (DSI) is an information technology services and solutions provider focused on enterprise infrastructure, networking, and data center environments for commercial and public-sector clients.
- Enterprise IT infrastructure design, deployment, and lifecycle support.
- Networking and communications solutions for campus, branch, and data center environments.
- Data center, compute, and storage architecture and integration services.
- Cybersecurity consulting and technology implementation for enterprise environments (security).
- Managed IT services, staff augmentation, and technical consulting for government and commercial organizations.
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Decision Support, Inc. (DSI) operates as an information technology services firm that designs, implements, and supports enterprise-grade infrastructure for commercial enterprises and government agencies. Its work typically addresses core IT domains such as networking, data center architectures, compute and storage platforms, virtualization, and security, with a focus on multi-vendor integration and ongoing operational support.
In enterprise environments, DSI positions its offerings around end-to-end project engagement, from assessment and architecture through procurement, implementation, and post-deployment services. The company commonly works with standardized architectures in networking and data centers, including IP-based enterprise networks, routing and switching topologies, wireless LANs, campus and branch connectivity, and resilient core networks. These deployments often align with common reference models such as three-tier or spine-leaf network designs and incorporate protocols like Ethernet, Transmission Control Protocol/Internet Protocol (TCP/IP), VLANs, VPNs, and routing protocols used in enterprise WANs.
DSI also supports data center and server infrastructure, including x86-based compute platforms, storage systems, and associated virtualization and operating environments. Its services may cover system sizing, high-availability configurations, backup and recovery design, and capacity planning for line-of-business applications and databases. In this context, DSI fits into marketplace categories such as infrastructure consulting, systems integration, and managed services for infrastructure operations.
Security services are a further area, where DSI assists organizations in selecting and deploying technologies such as firewalls, intrusion detection and prevention systems, endpoint protection, secure remote access, and identity-centric controls. These offerings position the company within security integration and consulting (security services), with deployments often aligned to widely recognized enterprise security frameworks and defense-in-depth strategies.
For many customers, DSI functions as a strategic IT partner that can augment internal IT teams with specialized engineering resources, project management, and staff augmentation. This includes managed support contracts, maintenance coordination, and lifecycle management for hardware and software assets. In directory and marketplace terms, Decision Support, Inc. can be categorized under Information Technology / Software & Services / IT Services, with solution areas spanning enterprise networking, data center infrastructure, cybersecurity services, and managed IT services for both commercial and public-sector organizations.
Our description of Decision Support, Inc. (DSI). Updated February 2026.
