In which courses are you or will you be writing a report? Write to an agency or company that could supply you with helpful information, and request its aid. Indicate why you are writing, precisely what information you need, and why you need it. Offer to share your report with the company.
The course can be a past, present, or future course.
Here are a couple samples of well-written request letters:
Your final product should be a complete, fully-formatted letter, not just the body copy. The formatting and layout should follow the guidelines in page 155~157
Purdue Owl, Business Letters, Accentuating the Positives