Slaves of the Immaculate Heart of Mary (Fr. Feeney's group)
Sedevacantist
Recognize and Resist
FSSP
SSPX
SSPV
Sirist
Who else? For the purposes of the question, it doesn't matter to me if they recognize Vatican II as valid or not, just that they don't like it.
A Sirist Papacy until 1989 is evidenced by the White Sfumata, Vatican Radio and Pius XII, who blessed him. :detective: