[Highland Park] Asbestos Abatement Contractors

Hello, Neighbors - I am looking for recommendations for asbestos abatement contractors because we have two very small pieces of "asbestos looking" insulation on a vent in our basement that we have to either have removed or encapsulated. So far I have received quotes from Key Asbestos and Gray Waste Management. Do you have any comments about these contractors or suggestions for others I should consider? Thank you, Jessica Pedersen