People searching for a loan quick click on Quicken Loans. A leading online mortgage lender, Quicken Loans offers residential mortgages in all 50 states and provides such financing options as fixed- and adjustable-rate mortgages, reverse mortgages, and refinancing through its interactive website. The company also has loan centers in Michigan, Ohio, and Arizona. Affiliate Title Source offers title insurance, property valuations, and closing services. Its San Diego-based One Reverse Mortgage unit handles FHA-backed reverse mortgage programs. Another division, In-House Realty includes a network of 4,000 real estate agents. Rock Holdings, which is led by founder and chairman Dan Gilbert, owns Quicken Loans.