Security First IT: computer repair, networking, security, VoIP, and other business technology services. Two Locations in Charlotte, NC and Lancaster, SC. IT Services For Charlotte Area Businesses: No other IT services company in the Charlotte area can touch our fast response times, personalized service with our local Help Desk, or our ability to deliver secure technology solutions that keep your systems secure, your workers connected, and your data safe. If you've outgrown your current IT provider, and are ready for a professional IT firm that gets the job done every time, give us a call. We've been in business for almost 20 years, and we know what it takes to make the IT in your business work for you With two locations, one in North Carolina, Charlotte, NC, and one in South Carolina, Lancaster, SC our technicians are always close by ready to help.