Based in Orange County and serving businesses nationwide, HD Tech provides 24/7 IT monitoring, rapid incident response, and enterprise-grade cybersecurity. Since 1996, we’ve protected 100+ companies across defense contractors, law firms, construction, accounting, manufacturing, and professional services.
The digital world can be as unpredictable as the ocean. Rogue waves of cyber threats are constantly rolling in, and when one crashes, who’s watching over your business? Who’s making sure your systems stay afloat?
I’m Tom Hermstad, and at HD Tech,
We don’t just offer IT services—we lifeguard your business from cyber dangers. With over 30 years protecting businesses nationwide—from our home base in Orange County to clients across the country—we’ve learned that prevention and preparedness are equally important. Our Cyber Security and Managed IT Services ensure you never have to fight against the current alone.
Years in Business
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Uptime Guarantee
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We deploy Fortinet’s advanced firewall and endpoint protection to secure your network edge — reducing vulnerabilities and blocking threats in real time.
Through our partnerships with Evolve and ProVisors, we stay aligned with the best executive strategies to continuously optimize IT security and infrastructure for growing organizations.
We integrate Dell technologies — from servers to secure endpoints — ensuring performance, protection, and reliability across your IT stack.
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We primarily serve growing businesses with 10-200 employees, though we support companies from 5 to 1,000+ users. Our services scale to your needs whether you’re a small professional practice or a multi-location enterprise.
No! While we’re based in Orange County, California, we serve businesses nationwide through our remote support capabilities. We provide on-site services throughout Southern California and remote support everywhere else. Our 24/7 help desk can assist your team anywhere in the United States.
Critical issues receive a response within 15 minutes, high-priority requests within 1 hour, and standard requests within 4 hours. These response times are guaranteed in our service level agreements and backed by our 30 years of experience.
Perfect! We often work alongside in-house IT teams, providing specialized expertise, after-hours coverage, or handling routine maintenance so your IT person can focus on strategic projects. We become an extension of your existing team.
30 years of proven experience, genuine 24/7 support (not just answering services), and our unique ‘cyber lifeguard’ approach focusing on both prevention and rapid response. We’re not the cheapest option—we’re the best value for businesses that can’t afford downtime.
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H&D Technologies, LLC
322 Main Street, Suite 4
Seal Beach, CA 90740
