Reliable Roofing & Air Conditioning for Your Home and Business. Marshalls LLC Air Conditioning and Roofing is a Florida licensed and insured contractor located in Lakeland Fl. We hold General,Roofing,and Air Conditioning state licenses and are able to provide these services in house. We have been servicing Lakeland since 1992. At Marshalls LLC in Lakeland Fl.,we employ only professional staff,and we have established an impressive customer base over many years of delivering worry free professional services to the Lakeland,Plant City,Winter Haven,and other cities in the Central Florida areas.