Air Transportation Association

America West Airlines

Continental Airlines

Delta Air Lines

Federal Aviation Administration

FedEx

Frontier Airlines

International Air Transport Association

Medflight

United Airlines

Air Force Institute of Technology

Bureau of Transportation Statistics Products (RITA-DOT)

Code of Federal Regulations on GPO Access

Council of University Transportation Centers

Department of Homeland Security

Department of Transportation-DOT

Federal Highway Administration

Global Freight

Hazardous Materials Information Resource System

Institute of Transportation Engineers

Insurance Institute for Highway Safety

Midwest Regional University Transportation Center (UW-Madison)

Office of Highway Policy Information

Office of Pipeline Safety

Research and Innovative Technology Administration (RITA-DOT)

Transportation Clubs International

Transportation Law Center

Transportation Research Board

Transportation and Urban Systems Laboratory

Wisconsin Airport Management Association

Wisconsin Traffic Operations and Safety (TOPS) Laboratory

Wisconsin Transportation Center (UW-Madison)

Wisconsin Transportation Portal

University Transportation Centers

US Coast Guard Marine Safety Office

US Department of Transportation

US Department of Homeland Security

US Department of Customs and Boarder Patrol

Hub Group, Inc

UPS

Transportation Intermediaries Association

Transport World

United States Postal Service

Activitybased Costing: The ABC Authority (now  SAS Institute)

American Society of Transportation & Logistics

Association of Women in International Trade

Cass Information Systems

Cat Logistics Services

Center for Freight and Infrastructure Research and Education
(CFIRE-HOME) (NING) 

Center for Logisitics Managment: Univeristy of Nevada-Reno

Cogistics, Inc.

Council of Logistics Management

Council of Supply Chain Management Professionals

Delta Nu Alpha Transportation Fraternity

Distribution Solutions International

Eno Transportation Foundations

Grainger Center for Supply Chain Mangement

i2 Technologies

Interchain

Institute for Operations Research & the Management Sciences

Institute of Logistical Management

International Society of Logistics

International Warehouse Logistics Association

JDA Software (aka Manugistics, Inc.)

J.D. Edwards Company (now Oracle)

Logility

Material Handeling Industry of America

National Industrial Transportation League

Oak Ridge National Laboratory Review

Operations Research

PENSKE Logistics

SAP America, Inc.

Transport Intelligence

Transport Link

Transportation Information and Decision Engineering

ABF Freight Systems, Inc.

American Trucking Associations

Central Freight

Con-Way Transportation Services

CRST International

Dart Transit Company

J.B. Hunt

National Association of Truck Stop Operators

National Private Truck Council

Ryder Systems, Inc.

Schneider National

Truckload Carriers Association

United Parcel Service of America, Inc. (UPS) (acquired Motor Cargo)

Women in  Transportation

Women in Trucking

Yellow Freight System

Association of Oil Pipelines (Petroleum)

LakeHead/Enbridge

Office of Pipeline Safety

Association of American Railroads

Amtrak

BNSF Burlington Northern Santa Fe Railway

Canadian National

CSX Corp

Federal Railroad Administration

Kansas City Southern

Norfolk Southern Corporation

OmniTRAX Inc

RoadRailer

Union Pacific Railroad

Wabash National Corporation

AISA-American Institute for Shippers' Associations

American Import Shippers Association, Inc.

FASOnline

Federation of International Trade Association (the)

Freight Market (aka BALTICFX)

Freightworld

Gemini Shippers Group

North American Rail Shippers Association

Malaysian National Shippers' Council (the)

Trade and ShipNet

U.S. Dept of Agriculture

World Shipping Council

American Association of Port Authorities

American President Lines

American Waterways Association

Atlantic Container Line

Historic Naval Ships Association

Maersk Line

SeaLand Service