Currently (25 Oct 2013) listed under "Pulsar Timing Consortium" on the
LAT Publication Board page used to generate emailings and author lists:

Marta Burgay
Fernando Camilo
Paulo Friere
Eric Gotthelf
George Hobbes
Victoria Kaspi
Michael Keith
Margaret Livingstone
Andrew Lyne
Richard Manchester
Maura McLaughlin
Aristeidis Noutsos
Andrea Possenti
Scott Ransom
Mallory Roberts
Nina Wang
Patrick Weltevrede

Other names listed on PTC MoU, that don't appear above because
they are also LAT Affiliated Scientists:

Stephen Thorsett
Simon Johnston
Michael Kramer
Ismael Cognard		
Frank Marshall
Cristobal Espinoza
Gilles Theureau
Ben Stappers

Or are LAT Full Members:
Peter J. Michelson
David J. Thompson
David A. Smith

Other LAT members generally included in PTC author lists:
(Names don't appear twice in the pub board lists. 
Thus, e.g. grad students & postdocs of members & affiliates appear separately.)

Lucas Guillemot
Paul Ray
Matthew Kerr
Gregory Desvignes
Gemma Janssen
Ryan Shannon

Listed under "Pulsar Search Consortium" on the LAT Publication Board page:

Dipankar Bhattacharya
Bhaswati Bhattacharya
Yashwant Gupta
Jason Hessels
Jayanta Roy

The complete list of PSC MoU members (for paper authorship) is below. All the names are already above.
LAT Collaboration Members: 
Paul Ray (Organizer), Peter Michelson, David Smith, Alice Harding, Dave Thompson, Pablo Saz Parkinson, Marcus Ziegler, Aous Abdo, 
Kent Wood, Roger Romani, Michael Kramer, Simon Johnston, Gilles Theureau, Ismael Cognard, Lucas Guillemot, Elizabeth Ferrara, Matthew Kerr, Ben Stappers

External Members: Fernando Camilo, Paulo Freire, Mike Keith, Scott Ransom, Patrick Weltevrede, Bhaswati Bhattacharyya, Dipankar Bhattacharya, Yashwant Gupta, 
Jayanta Roy, Mallory Roberts, Maura McLaughlin, Jason Hessels