Law - If a business does not agree with the decision of a hearing officer

Law

Question I - If a business does not agree with the decision of a hearing officer, may that business appeal the decision directly to the judicial court system?  What steps must the business take to get the case within the judicial system?

Question II -Peter Plaintiff’s son is killed while working overseas for a United States corporation that deals in proprietary petroleum extraction and production.  Peter Plaintiff brings a wrongful death lawsuit on behalf of his son’s estate against this corporation and requests a wide scope of business documents related to the corporation and its overseas operations under the Freedom of Information Act (FOIA).  What defenses, if any, does the corporation have against revealing the requested information under the FOIA?