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Products & Services
About OpenNotes
OpenNotes is a company operating in Office service, employing 11-20 people, reporting $1M-$5M in annual revenue, classified under Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) and based in Boston, Massachusetts, United States.
Its primary NAICS classification is 541715 (Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)). OpenNotes is one of 418,710 Industrial & mechanical companies listed in Massachusetts.
Business Contact Information
- Phone
- +1 (617) 7541164
- Website
- opennotes.org
- linkedin.com/company/opennotes
- facebook.com/myopennotes
- Address
- 133 Brookline Avenue Hvma Anx, Boston, Massachusetts, 2215, United States
Industry & Classification
- Industry
- Industrial & mechanical
- Sector
- Commercial services
- Segment
- Office service
NAICS Codes
- 54Professional, Scientific, and Technical Services
- 5417Scientific Research and Development Services
- 541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
SIC Codes
- 87Engineering, Accounting, Research, Management, And Related Services
- 873Research, Development, And Testing Services
- 8731
Company Details
- Employees
- 18 (11-20)
- Annual Revenue
- $1.1M ($1M-$5M)
OpenNotes: frequently asked questions
What does OpenNotes do?
OpenNotes is a company operating in Office service, employing 11-20 people, reporting $1M-$5M in annual revenue, classified under Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) and based in Boston, Massachusetts, United States.
Where is OpenNotes located?
OpenNotes is headquartered at 133 Brookline Avenue Hvma Anx, Boston, Massachusetts, 2215, United States.
How many employees does OpenNotes have?
OpenNotes has about 18 employees (the 11-20 range).
What is OpenNotes's annual revenue?
OpenNotes's annual revenue is estimated at $1.1M (the $1M-$5M range).
What industry is OpenNotes in?
OpenNotes is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 541715 (Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)).
How can I contact OpenNotes?
Its website is opennotes.org and its phone number is +1 (617) 7541164.
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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