| Ohio State University
|
| Oil Spill Recovery Institute
|
| Oklahoma City Office of Sustainability
|
| Ko‘olaupoko Hawaiian Civic Club
|
| Old Dominion University
|
| Old Woman Creek National Estuarine Research Reserve
|
| Olmstead County Emergency Management
|
| One Health Group
|
| Ontario Ministry of the Environment
|
| Open Communications for the Ocean
|
| Open Space Institute
|
| OpenLCA
|
| Optony Inc.
|
| Orange County Parks
|
| Oregon Coastal Management Program
|
| Oregon Health Authority
|
| Oregon Sea Grant
|
| Oregon State University
|
| Oregon State University | College of Earth, Ocean, and Atmospheric Sciences | Geosciences
|
| Oregon State University | Cooperative Institute for Marine Resources Studies
|
| Oregon State University Extension Service
|
| Oregon State University | Oregon Climate Change Research Institute
|
| Organized Village of Kake
|
| Organized Village of Kasaan
|
| Orion Planning + Design
|
