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Products & Services
About Protocol
Protocol is a small private practice. If you are interested in joining, leave your name and email and we will be in touch. Protocol is listed as a company based in Boston, Massachusetts, United States, operating in Office service, employing 51-100 people, reporting $10M-$25M in annual revenue and classified under All Other Business Support Services.
Its primary NAICS classification is 561499 (All Other Business Support Services). Protocol is one of 418,710 Industrial & mechanical companies listed in Massachusetts.
Business Contact Information
- Website
- http://www.protocol.us
- facebook.com/protocolbureau
- Address
- 151 Merrimac St 300, Boston, Massachusetts, 2114, United States
Industry & Classification
- Industry
- Industrial & mechanical
- Sector
- Commercial services
- Segment
- Office service
NAICS Codes
- 56Administrative and Support and Waste Management and Remediation Services
- 5614Business Support Services
- 561499All Other Business Support Services
SIC Codes
- 73Business Services
- 738Miscellaneous Business Services
- 7389Convention and Trade Show Organizers
Company Details
- Employees
- 87 (51-100)
- Annual Revenue
- $17.7M ($10M-$25M)
Protocol: frequently asked questions
What does Protocol do?
Protocol is a small private practice. If you are interested in joining, leave your name and email and we will be in touch.
Where is Protocol located?
Protocol is headquartered at 151 Merrimac St 300, Boston, Massachusetts, 2114, United States.
How many employees does Protocol have?
Protocol has about 87 employees (the 51-100 range).
What is Protocol's annual revenue?
Protocol's annual revenue is estimated at $17.7M (the $10M-$25M range).
What industry is Protocol in?
Protocol is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 561499 (All Other Business Support Services).
How can I contact Protocol?
Its website is www.protocol.us.
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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