Hierarchy classification:

1. top of the aat hierarchies
2. Agents Facet
3. Organizations (hierarchy name)
4. organizations (groups)
5. businesses (business enterprises)
6. [business enterprises by function]
7. architectural firms

Additional parents:

1. top of the aat hierarchies
2. Agents Facet
3. Organizations
4. organizations
5. businesses
6. business enterprises by form
7. companies
8. partnerships
9. firms

Anotations

Scope note:

Firms who practice the branch of architecture that deals with the design of the scenic environment, including the development and planting of all types of planned outdoor green spaces, often with accompanying structures and roadways, outdoor public areas, landmarks, and structures with the aim of creating a natural setting for human structures and settlements.