This logo is a twist on an optical illusion trick to reference the Outside-In of the company name.
ask for a logo here: levi@internachi.org
watch the logo library expand here: http://www.nachi.org/inspector-logos.htm
Additionally watch for the logos in Jessica’s marketing materials. A good logo is the jump off point for great professional-quality looking design work. They look fantastic. See for yourself, here are 2 fine examples: