There are many professional membership and certification providers; some offer a broad, general credential, other offer specialized certifications in specific areas. (medicalbillingandcoding.net)
For some of these, the inspectors have to possess some additional specialized certification but their expertise can make a huge difference when buying a house. (chambershomeinspections.com)
There are many options, ranging from general, all encompassing certifications, to very specialized certifications. (mb-guide.org)