Long story short my company has an equity position in a business and is being ostracized from information that all partners should be privy to. What legal position do I have in this matter?
As far as I can tell, you, individually, have no legal position in this matter, except to the extent that you are an officer or partner (or whatever) of your company, which, as you noted, "has an equity position in" this other company. You didn't explain what "equity position" means, so I don't know if your statement about your company "being ostracized from information all partners should be privy to" makes any sense. Is your company, in fact a partner in this other business -- i.e., is the company in which your company invested actually a partnership? If so, is it a general partnership or limited partnership? What does the partnership agreement or other applicable documents say about your company's right to information. Keep in mind that, in most cases, someone with only a 5% interest isn't going to be entitled to a ton of information.
I want out of this deal due to the fact that I feel that I'm doing business with an unethical, and unprofessional person.
Your company's right/ability to get "out of this deal" will depend on the terms of the relevant documents, so take those documents to a local attorney for review and advice.