Business Kit Graphic design and Brochure design

We need a graphic designer for a new business in Clinical Research Industry : 1. Business Kit - Design for Business Card, Letter Head, Fax Header, Envelope Design, Power Point Presentation template . - Need 4-5 Concepts. The logo is already in place. - Color Guide suggestions. - Unlimited revisions for the selected concept. - The delivered files should in Illustrator format. 2. Brochure Design - -Two fold brochure - 4-5 concepts,Neat design - Unlimited revisions for selected concept. - The content will be provided - Need the files in InDesign format. Please send some previous work done to ease out the selection process