Business rebranding Logo/business cards, letterheads PP

I'm looking to re brand my corporate image from a business identity standpoint. I currently have a logo which I would like redone along with matching letterhead, business card, and power point: Business Identity Project: - logo - business cards - letterhead - Power point templates M-Logic, LLC is in the business of logistics consulting. We have 3 main solutions, Small Package Shipping systems, Small Package Auditing & Negotiations, and process optimization. We integrate our shipping systems to various ERP and WMS systems including SAP, Baan, Infor, Microsoft solutions, Red Prairie, etc. That being said, we are looking to sell our solutions to companies who spend in excess of $500,000/year in shipping costs and ship out at a minimum of 300 packages/day. Our solutions varies in cost and can be quite expensive so we need a very professional solution put together.