Which group established an ethnic enclave similar to the cubans?

The Chinese had an ethnic enclave similar to the Cubans, this is after their mass migration to South East Asia to search for work in rubber, tea, and sugar cane plantations. 
Ethnic enclaves were sub-economies that provided the immigrant population with similar racial and ethnic backgrounds with opportunities and earnings.
Participation of the population in the ethnic enclave economy provided the immigrants with opportunities to access labor, markets, credit and business information or the workers and immigrant businesses.
Cuban owned firms in Miami with a sub-economy of manufacturing, construction, trade