Standings available exclusively at http://shamrockhockeyleague.ca/Rounds/19523/2018-2019_Atom_Regular_Season/
Standings available exclusively at http://shamrockhockeyleague.ca/Rounds/20515/2018-2019_Atom_C_Playdowns/
Standings available exclusively at http://shamrockhockeyleague.ca/Rounds/20766/2018-2019_Atom_SHL_Playoffs/
Standings available exclusively at http://alliancehockey.com/Rounds/19661/2018-2019_West_Minor_Atom_Regular_Season/
Standings available exclusively at https://www.omha.net/page/show/4672976-atom-c