Nationwide Multifamily Data ALN Apartment Data built multiple platforms designed to ensure the most accurate, detailed information available. We are proud to offer our services across the nation. From On-site, Management Companies, Brokers, Lenders, Supplier Partners, Apartment Associations to Locators, ALN offers data you can rely on. Based in the great state of Texas, ALN is the largest collector of apartment data in the United States. We update property level information monthly, reporting on properties nationwide, and provide our clients with data analytics, new construction projects, histories, occupancy and rental trend reports, contact databases and locating services. Whether your needs are for Onsite, Management, Owner, Brokers, Lenders, Acquisitions, Development, Locators, Vendor/Supplier or an Apartment Association, our platforms deliver instant access to detailed multifamily information.