Setting up Google Maps for ASP.NET and SQL Server

I have list of vendors with basic information as well as it's services in the SQL server database. My question is how can I show that vendors in the Google map with Markup?

I will explain you step by step.

1. My first page will be show map of US with search filter. [ That I achieved ]

2. Then I entered Zip Code & Click On Search Button. That Redirect To Search Result Page. [ That I Achieved ]

3. That Search Result Page Have Two Filters. One Vendor's Services Like

Clean Out
Lawn Service, etc. Another One is No. of Miles like 0 mile, 5 miles etc.

Above Values Comes from SQL Database.

Based on that filters, To show list of vendors that are in my database
around searched property..