- American Bearing Manufacturers Association
- American Gear Manufacturers Association
- American Water Works Association (AWWA)
- Architects Catalog, Inc.
- Ductile Iron Society
- Envirobiz - International Environmental Information Network
- Envirolink
- Environmental News Network
- EPA - Office of Science and Technology
- Ford Hall Company
- Machinery Lubrication Magazine
- McNish Corporation
- NSF International
- RBC Services, Inc.
- Water Environment Federation
- Water Online
- Water Wiser