Arizona Rugby Referee Society
Deep South Rugby Referees Society
Eastern Rockies
East Midlands Rugby Union Referees Society
Minnesota Rugby Referee Society
New England Rugby Referees’ Society
New York State Rugby Referees’ Society
Pacific Northwest Rugby Referee Society
Potomac Society of Rugby Football Referees
Rugby Referee Society of New York
Southeast Rugby Referee Society
Southern California Rugby Referee Society
Texas Rugby Referee Association