You can use the Find Provider page to see what providers are available nearby offering a particular service. Get to this page by clicking either the Find a Planner button on the home page, or by selecting Find Providers from the Contact menu on the blue participant header.
You can use this page by first selecting the category that you're looking for support in, and then by selecting any items you need under Check the items you need. The matching providers will display at the bottom of the page in the table labeled Matching Providers, along with which ticked items they match. You can see the contact details for a provider by clicking the Contact button on the right hand side of the row.