Home Energy Frontier, Crius hook up EnergyFairfieldPremium Content Frontier, Crius hook up By Alexander Soule - October 25, 2012 SHARE Facebook Twitter In a partial return to its roots, Frontier Communications Corp. introduced FTR Energy Services alongside Stamford-based Crius Energy. This content is for Westfair Online members only. Please Sign in / Join to view this content. Become a member by Registering Here.