As of October 15, 2026, ListRiver's records show 7,255 active registered businesses in Ronkonkoma, New York. 59% are Corporations. 31 were formed in September 2026.
How many businesses are registered in Ronkonkoma, New York?
ListRiver has 7,255 active registered businesses in Ronkonkoma, New York on record as of October 15, 2026, from official New York business registry data. Dissolved and defunct businesses are not counted.
How many new businesses were formed in Ronkonkoma, New York in September 2026?
31 businesses on record in Ronkonkoma, New York were formed in September 2026.
How many new businesses opened in Ronkonkoma, New York in the last 12 months?
398 businesses on record in Ronkonkoma, New York were formed in the 12 months through September 2026.
What is the most common type of business in Ronkonkoma, New York?
Corporations are the most common: 4,296 of 7,255 businesses on record (59%), followed by LLCs with 2,795 (39%).
Where does this data come from?
From New York's official business registry. ListRiver loads each new state file, standardizes it, removes duplicates and updates its database weekly. Email and industry details are added from SMBCredit.net where available.
How do I get a list of businesses in Ronkonkoma, New York?
Use ListRiver's list builder to filter Ronkonkoma, New York businesses by entity type, formation date, industry and contact details, see the exact count and price, and download a CSV. Every list includes monthly refresh files.
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Counts come from official New York business registry records on file with ListRiver, current as of October 15, 2026. They include businesses that are active on the state register; dissolved and defunct entities are excluded. Contact details are added from SMBCredit.net where available. Formation months reflect the registration date the state reports. See the methodology for sources, update schedules and known limits.