The following individuals and organizations have contributed information to the project. (If we've omitted anyone, please let us know.)

Pacific Northwest Gigapop
Northeast Research and Education Network
Michigan LambdaRail
Southern Light Rail
NJEdge.net - New Jersey's Higher Education Network
Third Frontier Network/OSCnet
Corporation for Education Network Initiatives in California
Florida LambdaRail
Southern Crossroads
Network for Education and Research in Oregon
Lonestar Education and Research Network
Illinois Wired/Wireless Infrastructure for Research and Education
Merit Network Inc.
Front Range GigaPop
OneNet - Oklahoma's Telecommunications Network
North Carolina Research and Education Network
MAGPI
I-Light
PeachNet
Louisiana Optical Network Initiative
Mid-Atlantic Crossroads
Broadband Optical Research, Education and Sciences Network
NYSERNet
OSCNet - an initiative of the Ohio Supercomputer center
C-Light
Northern Tier Network Consortium