The LIAS Membership comprises of the following categories:

1. Full Membership
2. Associate Membership
3. Individual Membership
4. Honorary Membership
5. Student Membership

Full Membership
Full Membership shall be open only to companies in Singapore that are registered with the Building Control Authority and/or whose business activity falls within the following businesses:

1. Landscape Contractors
2. Landscape Designers
3. Growers
4. Retail / Wholesale Nurseries
5. Hardscape Specialist
6. Irrigation
7. Turf (Growers and Specialists)
8. Water Features
9. Arboriculturists / Tree Maintenance
10. Playground Operators/ Companies

Associate Membership
Associate Membership shall be open to any local or foreign organizations whose business falls under the following defined sectors:

1. Suppliers – Fertilizers, Equipment, Hardscape & Softscape Materials
2. Pest Control
3. Cleaning
4. Water Proofing
5. Foreign Landscape Companies

Individual Membership
Individual Membership shall be open to individuals working in a profession related to the landscape industry.

Student Membership
Student Membership shall open to only Full-Time Students studying landscape related courses in Local Institutions of Higher Learning (IHLs). Student memberships are only valid for three years or till upon graduation whichever is earlier.

Honorary Membership
Honorary Membership shall be conferred by LIAS to other associations or individuals in or related to the landscaping industry.