| 1983 |
Winston-Salem Transit Authority Central New York Regional Transportation Authority Municipality of Metropolitan Seattle New Jersey Transit Corporation |
| 1984 |
Regional Transportation Commission/CITIFARE Pierce Transit Metropolitan Transit Authority of Harris County |
| 1985 |
Blacksburg Transit Ann Arbor Transportation Authority Southwest Ohio Regional Transit Authority/Queen City Metro Toronto Transit Commission |
| 1986 |
Champaign-Urbana Mass Transit District Capital Metropolitan Transportation Authority Utah Transit Authority Ottawa-Carleton Regional Transit Commission |
| 1987 |
Alexandria Transit Company Santa Monica Municipal Bus Lines Milwaukee County Transit System Washington Metropolitan Area Transit Authority |
| 1988 |
Beaver County Transit Authority Sun Tran San Mateo County Transit District Tri-County Metropolitan Transportation District of Oregon |
| 1989 |
Chatham Area Transit Authority Fresno Area Express/FAX Long Beach Public Transit Corporation |
| 1990 |
St. Cloud Metropolitan Transit Commission Duluth Transit Authority VIA Metropolitan Transit Greater Cleveland Regional Transit Authority |
| 1991 |
Athens Transit System Capital Area Transportation Authority San Diego Trolley, Inc. Westchester County Department of Transportation/The Bee-line System Municipality of Metropolitan Seattle |
| 1992 |
City Transit Company, Inc. Santa Monica Municipal Bus Lines Sacramento Regional Transit District Metro-North Commuter Railroad Regional Transportation District |
| 1993 |
East Volusia Transportation Authority Peninsula Transportation District Commission Foothill Transit New Jersey Transit Corporation |
| 1994 |
Laredo Municipal Transit System Champaign-Urbana Mass Transit District Oahu Transit Services Bi-State Development Agency |
| 1995 |
Durham Area Transit Authority OMNITRANS Foothill Transit British Columbia Transit |
| 1996 |
Boise Urban Stages LYNX-Central Florida Regional Transportation Authority Utah Transit Authority Dallas Area Rapid Transit New Jersey Transit Corporation Southeastern Pennsylvania Transportation Authority |
| 1997 |
Sarasota County Area Transit Santa Monica Municipal Bus Lines Citizens Area Transit New Jersey Transit Corporation Metra Bi-State Development Agency Washington Metropolitan Area Transit Authority City of Charleston |
| 1998 |
CityLink–Abilene Transit System Metropolitan Transit Development Board Contract Services LYNX-Central Florida Regional Transportation Authority MTA Metro-North Railroad Port Authority Trans-Hudson Corporation Broward County Division of Mass Transit |
| 1999 |
Montebello Bus Lines OMNITRANS Milwaukee County Transit System MTA Metro-North Railroad Bi-State Development Agency |
| 2000 |
LAKETRAN Access Services Santa Monica’s Big Blue Bus Oahu Transit Services, Inc. |
| 2001 |
Redding Area Bus Authority CityBus of Greater Lafayette Centre Area Transportation Authority MTA New York City Transit |
| 2002 |
River Valley Metro Santa Clarita Transit Utah Transit Authority Port Authority Trans-Hudson Corporation |
| 2003 |
ART-Arlington Transit Space Coast Area Transit Delaware Transit Corporation Regional Transportation District |
| 2004 |
SouthWest Metro Transit Knoxville Area Transit Interurban Transit Partnership San Francisco Bay Area Rapid Transit District |
| 2005 |
Laketran Muncie Indiana Transit System Sun Tran Orange County Transportation Authority |
| 2006 |
Beaver County Transit Authority Stark Area Regional Transit Authority Central New York Regional Transportation Authority Los Angeles County Metropolitan Transportation Authority |
| 2007 |
City of Elk Grove, Transit Services St. Cloud Metropolitan Transit Commission Capital Area Transportation Authority Greater Cleveland Regional Transit Authority |
| 2008 |
Muncie Indiana Transit System GRTC Transit System Regional Transportation District |
| 2009 |
Greater Lynchburg Transit Authority Intercity Transit San Diego Metropolitan Transit System (MTS) |
| 2010 |
Bloomington Public Transportation Corporation Hillsborough Area Regional Transit Authority Société de transport de Montréal |
| 2011 |
Tompkins Consolidated Area Transit, Inc Sun Metro Santa Monica's Big Blue Bus |
| 2012 |
Rock Island County Metropolitan Mass Transit District (MetroLINK) Metro Transit Southeastern Pennsylvania Transportation Authority |