eek, I've met less than I thought. I've met (or am currently friends with) sisters in Phi Sigma Sigma, Kappa Alpha Theta, Alpha Phi, Gamma Phi Beta, Alpha Chi Omega, Chi Omega, Alpha Gamma Delta (shout out to AlwaysSAI!!!), and ADPi (duh

). I also have coworkers who are Alpha Kappa Alpha and Delta Sigma Theta.
Which means I've met no one from: Sigma Delta Tau, Delta Phi Epsilon, Pi Beta Phi, Kappa Kappa Gamma, Delta Delta Delta, Alpha Xi Delta, Sigma Kappa, Alpha Omicron Pi, Zeta Tau Alpha, Delta Zeta, Phi Mu, Kappa Delta, Sigma Sigma Sigma, Alpha Sigma Tau, Alpha Sigma Alpha, Alpha Epsilon Pi, and Theta Phi Alpha.
I "might" have met people from the above list in Junior League but people don't usually go "bragging" about their "greekness" (I on the other hand love wearing my letters because that is something I am extremely proud of).
Fraternity wise I've met Sigma Chi's, Kappa Sigma's and one more that I'm totally blanking on for the life of me.