i need to write an email to suggest to a the CEO and the GM and the HR departmen

i need to write an email to suggest to a the CEO and the GM and the HR department a list of brillient ideas for sponsorship student the first 3 winners projects each one has 5 or more students which maybe will be 20 students i need ideas from marketing and communications department but with less cost as much as we can
please find the attached which includes a brief of our company and another file about the event we are sponsership which also help marketing our company