Index of Y - 16 (16 businesses)

Ygg Tyle'r Ynn - General secondary education

Ynsmaerdy C P School - General secondary education

Ynys Y Gerwyn Cricket Club - Bar

Ynysfach Primary School - General secondary education

Ynysmaerdy C P School - General secondary education

Ynysymaerdy Sub Post Office - National post activities

Yolanda Opel - Restaurant

Ysgol Gymraeg Castell-Nedd - General secondary education

Ysgol Gymraeg Cwmnedd - General secondary education

Ysgol Gynradd Gymraeg Blaendulais - General secondary education

Ysgol Hendre Education Centre - Adult and other education not elsewhere classified

Ysgol Hendre Special School - Adult and other education not elsewhere classified

Ysgol Thomas Stephens - General secondary education

Yolanda Opel - Fast Food Restaurants And Stands

Ysgol Thomas Stephens - Schools - Local Authority

Ynysymaerdy Post Office - Post Office