The Department of Environmental Protection (DEP) requires certification for those who handle or investigate asbestos. While DEP doesn't provide recommendations or referrals, you can find a list of currently certified asbestos investigators on DEP's website.

Find a list of currently certified asbestos investigators.

You also can find a full list of active asbestos contractors on the NY State Department of Labor's website.

Find NYS Department of Labor list of licensed asbestos contractors and air monitors.