2025 Sponsor Recognition

ISA thanks our sponsors for their continued support of education in arboriculture through their commitments to the ISA North American Tree Climbing Championship.

 If you are interested in sponsoring the ISA 2026 NATCC, please contact [email protected]

View the 2026 Prospectus 

Event Sponsors

• Large Equipment Sponsor
• Climbers' Celebration
• Climber Bags
  
• Volunteer Bags 
• Event Supporter
  
• Event Supporter       

Arbor Fair Vendors

• Davey Tree Experts
• Arbortec
• Brabandt Equipment
• MLR Ropes & Gear
• Bexar Branches Alliance
• Society of Commerical Arborists
• Arbo Space