SALI Principal Members consist of companies and individuals that have as their main object any of the following fields: commercial landscaping, residential landscaping, environmental, recreational landscape installation and/or maintenance. Principal Members comply with all statutory requirements as laid out in the SALI Code of Conduct and produce landscape contracting work conforming to the SALI Specifications. Members carry out all landscaping undertaken according to a quantifiable scope of work agreed by the client and are entrusted to be environmentally responsible, adhering to sound environmental principles in all works undertaken.