Create Logo for Oil Well Testing Company

We need a logo designed and would like the designer to provide a number of different version and samples for the customer to pick from. We would also like the designer to offer revisions to the logo version that the customer picks. ## Deliverables 1) All deliverables will be considered "work made for hire" under U.S. Copyright law. Employer will receive exclusive and complete copyrights to all work purchased. (No 3rd party components unless all copyright ramifications are explained AND AGREED TO by the employer on the site per the worker's Worker Legal Agreement). ## Platform Please provide a number of different file formats of the completed logo including a psd file and a format that can be scaled (vector format). we would also like a version that has a transparent background. (png or gif)