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Products & Services
About Hei
Hei is listed as a company classified under Colleges, Universities, and Professional Schools, based in Boston, Massachusetts, United States, operating in Office service, employing 11-20 people and reporting $5M-$10M in annual revenue.
Its primary NAICS classification is 611310 (Colleges, Universities, and Professional Schools). Hei is one of 418,710 Industrial & mechanical companies listed in Massachusetts.
Business Contact Information
- Phone
- +1 (617) 4882300
- Website
- stateofglobalair.org
- facebook.com/heisoga
- Address
- 75 Federal St, Boston, Massachusetts, 2110, United States
Industry & Classification
- Industry
- Industrial & mechanical
- Sector
- Commercial services
- Segment
- Office service
NAICS Codes
- 61Educational Services
- 6113Colleges, Universities, and Professional Schools
- 611310Colleges, Universities, and Professional Schools
SIC Codes
- 82Educational Services
- 822Colleges, Universities, Professional Schools, And
- 8221Junior Colleges
Company Details
- Employees
- 14 (11-20)
- Annual Revenue
- $5.8M ($5M-$10M)
Hei: frequently asked questions
What does Hei do?
Hei is listed as a company classified under Colleges, Universities, and Professional Schools, based in Boston, Massachusetts, United States, operating in Office service, employing 11-20 people and reporting $5M-$10M in annual revenue.
Where is Hei located?
Hei is headquartered at 75 Federal St, Boston, Massachusetts, 2110, United States.
How many employees does Hei have?
Hei has about 14 employees (the 11-20 range).
What is Hei's annual revenue?
Hei's annual revenue is estimated at $5.8M (the $5M-$10M range).
What industry is Hei in?
Hei is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 611310 (Colleges, Universities, and Professional Schools).
How can I contact Hei?
Its website is stateofglobalair.org and its phone number is +1 (617) 4882300.
Largest companies in Massachusetts
Largest industrial & mechanical companies
Manufacturing sales in Massachusetts, 2026
In Massachusetts, Factur's 2026 study counted 32 manufacturing quotes worth $961K and 7 purchase orders over 12 months: 22% of quotes became orders, against 21% nationally. See the Massachusetts data.
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