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Verify an ISA Credential

This tool allows you to verify if an individual currently holds an ISA credential. It includes all individuals who are currently credentialed through the ISA credentialing program. Not all individuals listed are available for hire. To find an arborist to provide tree care services, use the Find an Arborist tool.

If you are having difficulty verifying an arborist's credentials, you may contact ISA at isa@isa-arbor.com or +1.217.355.9411.

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