Very, very incomplete:

Eyeshot
Exibart
Formalism
LensCulture
New Landscape Photography
PhMuseum
Subjectively Objective
Street Photographers Foundation

Valentin Bansac
Bernd and Hilla Becher
Harry Callahan
Pok Chi Lau
John Dolan
Elliott Erwitt
Tony Fouhse
Robert Frank
Richard Fraser
Richard Johnson
Chris Jordan
Nadav Kander
Klaus Lenzen
Vivian Maier
Jan Meissner
Leigh Merrill
Joanna Mrowka
Mark Power
Giovanna Silva
Eric Tabuchi
Didier Vanderperre
Dan White
Michael Wolf

“Kansas City”, 1982 — Harry Callahan

Adela Andea
Dale Eldred
Theo Jansen
Mark Mothersbaugh
Butch Murphy
Sondra Perry
Ai WeiWei
James Woodfill
Zimoun

Banksy
Jean-Michel Basquiat
Richard Diebenkorn

The New Programme

PhMuseum
LensCulture