Proof
Commercial services · Great Barrington, Massachusetts
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Products & Services
About Proof
This profile covers Proof, a company reporting $0M-$1M in annual revenue, classified under Social Advocacy Organizations, based in Great Barrington, Massachusetts, United States, operating in Office service and employing 1-5 people.
Its primary NAICS classification is 813311 (Human Rights Organizations). Proof is one of 418,710 Industrial & mechanical companies listed in Massachusetts.
Business Contact Information
- Website
- proof.org
- facebook.com/proofmedia
- Address
- 33 Grove St, Great Barrington, Massachusetts, 1230, United States
Industry & Classification
- Industry
- Industrial & mechanical
- Sector
- Commercial services
- Segment
- Office service
NAICS Codes
- 81Other Services (except Public Administration)
- 8133Social Advocacy Organizations
- 813311Human Rights Organizations
SIC Codes
- 83Social Services
- 839Social Services, Not Elsewhere Classified
- 8399Human Rights Organizations
Company Details
- Employees
- 4 (1-5)
- Annual Revenue
- $974,000 ($0M-$1M)
Proof: frequently asked questions
What does Proof do?
This profile covers Proof, a company reporting $0M-$1M in annual revenue, classified under Social Advocacy Organizations, based in Great Barrington, Massachusetts, United States, operating in Office service and employing 1-5 people.
Where is Proof located?
Proof is headquartered at 33 Grove St, Great Barrington, Massachusetts, 1230, United States.
How many employees does Proof have?
Proof has about 4 employees (the 1-5 range).
What is Proof's annual revenue?
Proof's annual revenue is estimated at $974,000 (the $0M-$1M range).
What industry is Proof in?
Proof is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 813311 (Human Rights Organizations).
How can I contact Proof?
Its website is proof.org.
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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