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Products & Services
About The Open Notes
Explore free study notes, question papers, tutorials, and student-written study guides for IITM BS, JEE, programming, physics, and more. The Open Notes is a company classified under Research and Development in Nanotechnology, based in Indiana, United States, operating in Office service, employing 1-5 people and reporting $1M-$5M in annual revenue.
Its primary NAICS classification is 541713 (Research and Development in Nanotechnology). The Open Notes is one of 272,707 Industrial & mechanical companies listed in Indiana.
Business Contact Information
- Website
- theopennotes.in
- Address
- Indiana, 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
- 541713Research and Development in Nanotechnology
SIC Codes
- 37Transportation Equipment
- 372Aircraft And Parts
- 3721Airplane Mfg.
Company Details
- Employees
- 2 (1-5)
- Annual Revenue
- $1.6M ($1M-$5M)
The Open Notes: frequently asked questions
What does The Open Notes do?
Explore free study notes, question papers, tutorials, and student-written study guides for IITM BS, JEE, programming, physics, and more.
Where is The Open Notes located?
The Open Notes is headquartered in Indiana, United States.
How many employees does The Open Notes have?
The Open Notes has about 2 employees (the 1-5 range).
What is The Open Notes's annual revenue?
The Open Notes's annual revenue is estimated at $1.6M (the $1M-$5M range).
What industry is The Open Notes in?
The Open Notes is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 541713 (Research and Development in Nanotechnology).
How can I contact The Open Notes?
Its website is theopennotes.in.
Largest industrial & mechanical companies
Manufacturing sales in Indiana, 2026
In Indiana, Factur's 2026 study counted 36 manufacturing quotes worth $3.1M and 11 purchase orders over 12 months: 31% of quotes became orders, against 21% nationally. See the Indiana data.
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