The Rockies ($3,000 and up)
- Amentum
- Battelle which operates Pacific Northwest National Laboratory in Richland, WA
- STCU
The Cascades ($2,000 to $2,999)
- Cadwell Laboratories, Inc.
- Washington River Protection Solutions
The Olympics ($1,000 to $1,999)
- American Nuclear Society, Eastern Washington Section
- Bechtel
- Central Plateau Cleanup Co.
- Columbia Center Mall
- Columbia Center Rotary
- Framatome
- Hanford Mission Integration Solutions
- Bob Rieck
- Pasco-Kennewick Rotary
- Dr. and Mrs. Yao-Ying Yang
The Blue Mountains ($500 to $999)
- ASM International, Columbia Basin Chapter
- Atkins
The Rattlesnake Hills ($300 to $499)
- American Chemical Society, Richland Section
- American Society of Civil Engineers, Columbia Section
- D Hittle & Associates, Inc.
- J-U-B Engineers, Inc.
- Pangborn-Eiholzer
- Structural Engineers Association of Washington, South Central Chapter
The Horse Heaven Hills (to $299)
- American Society of Mechanical Engineers, Columbia Basin Section
- Douglas Brown Memorial
- Packaging Corporation of America
- Sivaraman
- Dr. Richard Stark Memorial
- Constance Wang
- Lawrence Wang, M.D.