This article is from the College marching band FAQ, by Adam Elman email@example.com, Meredith McClurg firstname.lastname@example.org, Patrick Neschleba email@example.com and Craig Moe firstname.lastname@example.org with numerous contributions by others.
Well, this obviously varies from year to year, but you can usually look
for Texas A&M and Florida State to top the list with between 420 and 450
members. This list, synopsizing what was basically a large poll and
maintained by Marc Olson, can be found at: