dedicated account management, unlimited technical support, 24/7 security operations monitoring, Microsoft 365 administration, network management, backup and recovery, device lifecycle management, and IT strategy planning. On the cybersecurity side, we deliver managed detection and response, vulnerability management, penetration testing, identity security, phishing risk testing, and security awareness training. As a value added reseller, we source and deploy infrastructure across data center, networking, cloud, unified communications, and endpoint environments through established partnerships with enterprise technology vendors. We hold active contracts with the Texas Department of Information Resources and participate in cooperative purchasing programs including TIPS. TIER4 was built to remove the gaps that typically exist between planning, implementation, and ongoing support. We stay engaged across the full lifecycle — aligning strategy, solution delivery, and managed services under one accountable partner. Headquartered at 2900 Saint Michael Drive, Suite 301, Texarkana, TX 75503.