About Us. Martin & Zerfoss, Inc. is an independent insurance firm in Nashville, TN. We specialize in all areas of Personal, Commercial, Bonds, Affluent Lines, Professional Liability Insurance, and Benefits & HR Consulting. From our small beginnings in 1978 to the great staff of professionals with us today, we have always believed in the value of relationship. We are excited to have another talented individual join our team. About the Role. Martin...