Every state has a funeral directors' association or is combined with another state. You can get good answers by contacting your state's office. Usually the people who work in this office are not funeral directors or practicing funeral directors so don't hesitate to ask to speak to one of their officers, who must be a funeral director. The link here is to the listing on the website of the National Funeral Directors Association. http://nfda.org/index.php/about-funeral-service/state-funeral-directors-associations
Besides state associations, there are national organizations of funeral directors. Many of them have members that join only by paying their membership fees. There are a few however, that funeral homes can only be members by invitation and that invitation is only extended after the funeral home demonstrates and continually upholds standards for exemplary caring service to the people in their communities. The two main ones are:
Selected Independent Funeral Homes
1-800-323-4219 www.selectedfuneralhomes.org