created in 2002 to address this issue in areas of management, finding and funding buildings, dissemination of best practices for alumni holding companies, and building improvements for Phi Sig chapters nationwide. See also the list of Active and Dormant Chapters and Provisional Chapters. Naming system Chapters are individually designated by a Chapter Name. The original 24 chapters are called, in order, Alpha, Beta, Gamma, etc., thru to Omega. Following this, the "Deuteron" series began with Alpha Deuteron, then Beta Deuteron, Gamma Deuteron, and continuing through to Omega Deuteron. As of 2010, eight naming series have been established. Several other fraternities and sororities use a similar naming system. The Greek-based designations used by Phi Sigma Kappa include: Original Series, Alpha through Omega Deuteron Series, or second series, beginning with Alpha Deuteron Triton Series, or third series Tetarton Series, or fourth series Pentaton Series, or fifth series Hexaton Series, or sixth series Septaton Series, or seventh series Octaton Series, or eighth series Phi Sigma Epsilon brought its own naming system to the Fraternity. In respect to the sensitivity of the merger in general, it was quickly decided that incoming PSE chapters could with pride maintain either their original chapter names or a chapter name that evoked their source in PSE. These naming series are: Epsilon Series, original oldest 24 PSE chapters Phi Series, second PSE series Sigma Series, third PSE series Additionally, the three founding chapters of Phi Sigma Epsilon were honored by reversing in their names the letters "Epsilon Alpha" into Alpha Epsilon, "Epsilon Beta" into Beta Epsilon, and "Epsilon Gamma" into Gamma Epsilon, signifying their role in the formation of Phi Sigma Epsilon. The fourth oldest PSE chapter is Epsilon Delta, with the naming convention remaining more or less consistent, depending on the age of the chapter, and with some exceptions to match most closely the original names of those chapters. Chapter lists are rendered in order of the original date of chapter founding. Re-establishment where both groups existed but where they both are dormant usually take on the name of the older dormant chapter, although some exceptions have been made if the alumni base has a clear preference. New chapters where there has been neither a PSK nor PSE chapter will continue the Octaton series, or further series, as needed. Organization and legal status Phi Sigma Kappa is divided into three distinct entities: Phi Sigma Kappa Fraternity, Phi Sigma