Built in Tulsa. Built to stay.
Tulsa-owned and run since 2012, Kaseya/Datto MSP of the Year 2025, and on the Inc. 5000 2026 list — a local team that keeps your technology reliable, secure, and out of your way while you run the business.
Technology that moves your business forward
You should be able to run your business without technology getting in the way. That means fewer things breaking, security you can explain to a client or an insurer, and a straight answer about where to spend next.
We are a Tulsa-based team that treats your technology as part of your business — not a stack of tickets. That means fast response when something breaks, proactive work to keep things from breaking, and honest guidance about where to invest next.
Meet the team — real names and faces you will get to know. See how we work — Protect, Empower, Support, and the WOW Standard — explore our seven core services, or see what clients say in our Google reviews.
Something happens for you.
Fast, clear, owned to resolution.
Was that service worth talking about — would you tell someone?
What made it a yes becomes the standard.
Built by someone who has been the owner in your chair
Sean Fullerton started his first managed IT company, eMonarch, in Tulsa in 1999, sold it in 2011 — and learned within fourteen months that selling was a mistake.
NSN Management is what he did with that lesson: a Tulsa-owned, owner-led company built to stay, serving owner-run businesses with 10 or more employees the way he had always wanted to. A U.S. Army veteran, Sean has worked in small-business IT since the 1990s, co-wrote Special Edition Using Microsoft Active Directory (Que, 2001), was named to the Tulsa Business Journal’s 40 Under 40, and led NSN Management to Kaseya/Datto MSP of the Year 2025 and the Inc. 5000 2026 list. He does not solve tickets anymore — he steers; the in-house help desk in Tulsa does the solving.
| Founded NSN Management | 2012, Tulsa |
|---|---|
| Before NSN | Founded eMonarch (1999), a Tulsa managed IT company; sold 2011 |
| Recognition | Kaseya/Datto MSP of the Year 2025 · Inc. 5000 2026 · Tulsa Business Journal 40 Under 40 |
| Author | Special Edition Using Microsoft Active Directory (Que, 2001); blog posts on this site dated back to 2008 |
| Writes here as | Sean Fullerton — first-person, dated, revisited |
What you can count on
Three commitments, kept the same way for every client — backed by credentials and client feedback that are public and verifiable. See the technology partners we build on.
Timely response
Issues get handled before they stall your team.
Truly local
Tulsa-owned and Tulsa-run since 2012; the people who answer your call live and work here, and they show up in person when it counts.
Regular communication
Regular meetings and monthly reporting — you always know where things stand.
- 4.8★ Google · 31 reviews
- Kaseya/Datto MSP of the Year 2025
- Inc. 5000 2026
- Tulsa-owned since 2012
Built for Tulsa businesses like yours
Growing Tulsa-area organizations with 10 or more employees seeking one accountable IT partner.
Industries we support
- Architecture, Engineering, and Construction (AEC)
- Financial Services and CPA firms
- Contractors — HVAC, Plumbing, and Electrical
- Professional Services — law, consulting, insurance, real estate
- Healthcare practices — medical, dental, behavioral health
- Manufacturing — machine shops, fabricators, job shops
- Oil & Gas — operators, midstream, energy services
Key facts
| Service area | Tulsa, Broken Arrow, Jenks, Bixby, Sand Springs, Sapulpa, Owasso |
|---|---|
| Address | 2448 E 81st Street, Ste 2775, Tulsa, OK 74137 |
| Phone | 918-770-9150 |
| Best fit | Businesses with 10+ employees |
| Ownership | Veteran-owned · Tulsa-owned and operated since 2012 |
| Recognition | Kaseya/Datto MSP of the Year 2025 · Inc. 5000 2026 (No. 3,329 · #18 in Oklahoma · #9 in Tulsa) · 4.8★ across 31 Google reviews · 3CX Gold Partner |
| Memberships | Tulsa Regional Chamber · Broken Arrow Chamber of Commerce |
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Read the guide →See if we’re the right fit for your team.
Book a Discovery Call with our local team — a focused conversation about your environment, risks, and next steps.