Spectra Users List

CGG
COSL
Fugro-Geoteam
Fugro-Geoservices
GeoBird
GSI
GMGS
JGI
JAMSTEC
Western GeoProjects
SMNG
DMNG
UNIT
PMGE
SCAN Geophysical AS
Columbia University
Multiwave Geophysical (MGC)
NOPEC AS
PetroTech
PGS
OSS
CME
SOPB
Veritas DGC