I have had the pleasure of writing indexes for works published by:
Brigham Young University, Religious Studies Center
Brill, USA
Covenant Communications
Columbia Business School Publishing
Deseret Book
Duquesne University Press
Georgetown University Press
Harvard University Press
Minnesota Historical Society Press
Oxford University Press
Penn State University Press
Quirk Books
Stanford University Press
TAMU Press
Temple University Press
University of Arizona Press
University of California Press
University of Nevada, Reno
University of Toronto Press
Westchester Book Group
Wisconsin Historical Society Press
W. W. Norton & Company
Yale University Press
And a few fine, self-published clients.