Whose name should I put in this letter's salutation?

Applying for a scholarship that will be reviewed by a group (“Scholarship Committee”). The contact person for that group is a gentleman, “Mr. Johnson from the company Johnson Smith Brown & Company.” Should the salutation in my letter read:

Dear Scholarship Comittee:

OR

Dear Mr. Johnson:

OR

Dear Johnson Smith Brown & Company:

OR

To whom it may concern:

Please note that the members on the scholarship committee are from a variety of companies and groups from the greater community. Not all the members are from Johnson Smith Brown LLC.