Secret society

This Masonic Lodge is St. Petersburg Lodge No. 139, F. & A. M. on Fourth Street South.
It is home to: St. Petersburg York Rite Bodies, consisting of:
St. Petersburg Chapter No. 21, R.A.M.
St. Petersburg Council No. 14, R. & S. M.
Sunshine Commandery No. 20, K.T.
Eureka Chapter No. 5, O.E.S.

I am uncertain if the sign still illuminates at night.