• Duluth/Superior Transportation
• National Industrial Transportation League
• Journal of Commerce (JOC) Online

Air Related Sites

• American Airlines
• Delta Air Lines
• Federal Aviation Agency
• Frontier Airlines
• FedEx
• IHS Airport360
• International Air Transport Association
• Medflight
• Northern Aero Alliance

Government Sites

• U.S. Department of Transportation
• Office of Highway Policy Information
• Federal Highway Administration
• US Coast Guard Marine Safety Center
• Office of Pipeline Safety

Intermodal and Special Carriers

• Hub Group, Inc
• UPS
• Transportation Intermediaries Association
• United States Postal Service

Logistics Sites

• Cass Information Systems
• DSI
• PENSKE Logistics
• Cogistics, Inc.
• Neovia 
• National Industrial Transportation League

Motor Carrier Related Sites

• ABF Freight Systems, Inc.
• American Trucking Associations
• Central Freight
• Freight Center
• XPO Logistics, Inc.
• CRST International
• Dart Transit Company
• J.B. Hunt
• UPS Freight
• National Private Truck Council
• Ryder Systems, Inc.
• Scheider National
• Yellow Freight System

Pipeline Related Sites

• Association of Oil Pipelines (Petroleum)
• Office of Pipeline Safety
• LakeHead/Enbridge

 Railroad Related Sites

• Association of American Railroads
• Amtrak
• BNSF Burlington Northern Santa Fe Railway
• Canadian National
• CSX Corp
• High Speed and Intercity Passenger Rail
• Norfolk Southern Corporation
• OmniTRAX Inc
• RoadRailer
• Union Pacific Railroad
• Wabash National Corporation

Shippers' Association Related Sites

• USSA - U.S. Shippers Association
• FASOnline
• Gemini Shippers Group
• American Import Shippers Association, Inc.
• The Federation of International Trade Association
• ShipNet
• World Shipping Council
• North American Rail Shippers Association

T&L Magazines and Periodicals

• Journal of Commerce
• Logistics Management Magazine
• LogisticsWorld
• Traffic World Magazine(membership required)
• Transportation Law Journal
• Railway Age Magazine
• WWW Virtual Library: Logistics

T&L Professional Organizations

• Global Freight Market
• Interchain
• i2 Technologies
• Oracle
• SAP America, Inc.
• JDATraffic World Magazine(membership required)
• Logility
• BTS Products National Transportation Statistics
• American Association of Port Authorities
• Transportation Law Center

T&L Research Centers

• Intermodal Association of North America
• Delta Nu Alpha Transportation Fraternity
• Midwest Regional University Transportation Center
• National Association of Truck Stop Operators
• Eno Transportation Foundation
• Freightworld
• Insurance Institute for Highway Safety
• UW-Milwaukee Center for Urban Transportation Studies
• University of MN Center for Transportation Studies
• Great Lakes Maritime Research Institute

Marine Career Related Sites

• American Waterways Association
• American President Lines
• Atlantic Container Line
• Maersk Line
• SeaLand Service

Naval and Maritime Associations

• Naval and Maritime Links
• Historic Naval Ships Association

Supply Chain Professional Organizations

• Counsil of Supply Chain Management Professionals
• Institute for Supply Management