Top Gun specializes in providing mission-critical OS enterprise systems support for all major operating environments. We integrate the right tools to create an exceptional customer experience that ensures maximum uptime and uninterrupted service for your business.

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Top Gun support features a variety of customized options to fit your business’s needs. You can choose from an array of support plans that offer different coverage and response times that range from basic to the particular needs of your business.

This includes 24x7x365 technical support and maintenance, customized patch assessment tools and implementation assistance, network problem solving, system tuning, and performance analysis. We take great pride in building long-term problem-solving partnerships with our customers.

Single Support Solution for your Entire Multi-OS IT Environment

30 Years Global Experience
Extension of Your Team
The Support You Need
Direct Connect to L3 Engineers

Software Supported

For OS-specific information on phone support, please view OS below:


  • 10.x – 11iv3
  • Running on
    HPPA (PA-RISC), Integrity (Itanium)


  • 3.x – 7.x
  • Running on
    RS6000, Power 4 – 9


  • z/OS, z/VM, z/VSE, Linux for IBM Z, DB2, CICS, IMS DB/DC, and MQSeries

Tru64 UNIX

  • 1.x – 5.1B Patch 10
  • Running on
    Alpha Ev4 – EV7

Sun Solaris

  • 2.4 – 11.3
  • Running on
    SPARC, x86


  • 1.0 – 8.4-2L1
  • Running on
    VAX, Alpha, Integrity (Itanium)


  • All RHEL, Debian, SuSE, CentOS
  • Running on
    x86, SPARC, Alpha, Integrity (Itanium)

Upgrade Your Support

Top-of-the-line tech support, a personal service experience, and a commitment to follow through on every problem. Regardless of the issue or complexity of your technology, you’ll have direct access to an OpenVMS, Tru64 Unix, HP-UX, AIX, Sun Solaris, and Linux (all versions of Red Hat, CentOS, Debian and SUSE) expert.

Connect to L3 Engineers

  • Connect directly; avoid wasting time with call escalation
  • Our engineers have an average of 35+ years experience

Comprehensive Reporting System

  • Thorough case histories documented in ServiceNow
  • Flexible call tracking system offers reporting & updating via email, phone and online

24/7 Responsiveness

  • Unlimited US based support available 24×7
  • Immediately bypass level 1 and 2 support

Comprehensive Software Services

Health Check Services

Proactive management of your system’s performance, security, and day-to-day operations.

Patch Analysis

Receive periodic reviews of your patches to ensure performance and stability.

Crash Dump Analysis

Root cause analysis correlating data from memory/core dumps, and machine checks.

Capacity Planning

Senior Level Consultants deliver a comprehensive analysis of your existing capacity.

Performance Consulting

Realistic projections and an investment roadmap aligned to your growth objectives.

IBM zSeries Lab in Prior Lake, MN

Tier One R&D Facility

Access to Tier One R&D Facility, and engineers equipped to reproduce problems and isolate root causes.


Powered by ServiceNow, Top Gun Technology provides TPM 2.0 maintenance services that are uniquely designed to deliver the highest quality of infrastructure support for mission critical operations.

Meet Top Gun
Mission Critical - The Top Gun Difference

Let’s Talk IT Services & Support

As a Top Gun client, you’ll notice a superior level of commitment and personalized support – day or night – from the most experienced technical engineering team in the industry. Proven. Trusted. Reliable.SM