Battlefield Archaeology Research Team is a specialised group within Poszukiwacze.org foundation dedicated to encouraging interest in the archaeology of conflict. Members of the team, archaeologists, researchers, journalists and historians, participate in and initiate international research projects directly connected with the history of warfare. Membership is by invitation only.
PHEC Thesaurus is an international organisation specialising in historical exploration. Established in 2009 it has three main sections – exploration and research section, responsible metal detecting section, and underwater exploration section. Membership is by invitation only.