NAICS 611630:
Language Schools
This industry comprises establishments primarily engaged in offering foreign language instruction (including sign language). These establishments are designed to offer language instruction ranging from conversational skills for personal enrichment to intensive training courses for career or educational opportunities.
Language schoolsSign language schoolsForeign language schools+2 examples
Sign language instructionSecond language instruction
Matching SIC code: 8299 Schools and Educational Services, Not Elsewhere Classified
Where it sits
- 61Educational ServicesSector
- 611Educational ServicesSubsector
- 6116Other Schools and InstructionIndustry group
- 61163Language SchoolsNAICS industry
- 611630Language SchoolsNational industry
Largest companies with NAICS 611630
Updated Nov 9, 2026| Rank | Company | Headquarters | Employees |
|---|---|---|---|
| 1 |  VIPKidvipkid.com | San Francisco, US | 8.9K |
| 2 |  Berlitzberlitz.com | Princeton, US | 3.8K |
| 3 |  Open Englishopenenglish.com | Miami, US | 3.5K |
| 4 |  Academia Europeaacademiaeuropea.com | Miami, US | 1.2K |
| 5 |  Defense Language Institute Foreign Language Centerdliflc.edu | Monterey, US | 1.2K |
| 6 |  ENGinenginprogram.org | Stamford, US | 802 |
| 7 |  Language Trainerslanguagetrainers.com | New York, US | 716 |
| 8 |  English Language and Literatureenglishlanguageandliterature.com | Provo, US | 632 |
| 9 |  Wizard Language Education Centerwizardphilly.com | Philadelphia, US | 590 |
| 10 |  ELS Language Centersels.edu | Princeton, US | 585 |
Not this code?
Similar activities the Census classifies elsewhere.
- Offering academic courses that may also offer language instruction - are classified according to type of school.
- 541930Translation and Interpretation ServicesProviding translation and interpretation services
Questions about NAICS 611630
Which businesses use NAICS 611630?
Language schools, sign language schools and foreign language schools, and similar businesses in the Educational Services sector. This industry comprises establishments primarily engaged in offering foreign language instruction (including sign language).
What SIC code matches NAICS 611630?
SIC 8299, Schools and Educational Services, Not Elsewhere Classified, from the US Census Bureau's concordance between the two systems.
How many companies have NAICS 611630?
4,037 companies with a website carry NAICS 611630 as their primary code in Crustdata's data, worldwide.
Find any company's NAICS codeType a company name or website and get its codes with their titles.
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Sign up freeCode titles, definitions, examples and SIC matches: NAICS 2022 and the Census concordances, US Census Bureau. Company counts and lists: Crustdata, companies with a website, each by its primary code, updated weekly. Employee counts are estimates.