NEC-ISA Offers ISA Tree Worker Climber Specialist Practical Exam

Please note that this is the practical part of the exam. To earn the Tree Worker Climber Specialist, you must also pass a written exam.


You must meet certain requirements to sit for an exam. The application process includes written documentation of all training and experience necessary for the exam. The applications are linked under their certification here.

All exams require advance registration. You must submit an application at least 17 business days before the exam date. Walk-ins are not permitted.

Space is very limited; early registration is encouraged. Contact the NEC-ISA if you have questions about a particular exam site.

ISA will confirm receipt of your application and whether the application was approved. You must be enrolled, and paid for, for a particular exam no later than 12 business days prior to the scheduled exam date