For more than 75 years, American Research Bureau has delivered exceptional service and superior results to our clients. We specialize in genealogical research, heirship determination, and finding missing and unknown heirs. If we have contacted you, it is because as a result of our research, we firmly believe you are legally entitled to an inheritance. Our extensive network of industry experts are qualified to assist in any aspect of heirship research, documentation, and evaluation. We provide free initial case analysis for estate attorneys, administrators, and trust officers responsible for locating missing and unknown beneficiaries.