[2] The club competed in the 1987 Série B, which was the White Module of the Copa União, being eliminated in the First Stage of the competition.
[3] Imperatriz competed in the Série C in 1995, when they were eliminated in the Second Stage of the competition by Intercap.
[5] The club competed in the Série C in 2003, when they were eliminated in the Fourth Stage by Tuna Luso.
[6] Imperatriz were eliminated in the First Stage in the 2005 Série C,[7] but in the same year they won the Campeonato Maranhense.
[11] Sociedade Imperatriz de Desporto play their home games at Estádio Frei Epifânio D'Abadia, nicknamed Danielzinho.