3L System AB (3L System) is an industry-specific business system provider, based in Sweden. The company develops and sells industry-specific business systems to companies in the search media sector and to companies in construction, real estate, contracting and accounting. Its products include 3L Pro, core business system and media business system. 3L System’s 3L Pro is a business software system handles various aspects of construction and property management of the market. Core business system is used for the search services industry and the online market and directory and media business system is a modular business application for operators in the yellow pages industry in printing products, electronic solutions and other online services. The company is a part of 3L System Group. 3L System is headquartered in Stockholm, Sweden.