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Products & Services
About Callahan
Callahan is listed as a company based in East Hanover, New Jersey, United States, operating in Office service, employing 1-5 people, reporting $0M-$1M in annual revenue and classified under All Other Business Support Services.
Its primary NAICS classification is 561499 (All Other Business Support Services). Callahan is one of 327,766 Industrial & mechanical companies listed in New Jersey.
Business Contact Information
- Address
- 67 Callahan St, East Hanover, New Jersey, 7936, 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
- 4 (1-5)
- Annual Revenue
- $131,000 ($0M-$1M)
Callahan: frequently asked questions
What does Callahan do?
Callahan is listed as a company based in East Hanover, New Jersey, United States, operating in Office service, employing 1-5 people, reporting $0M-$1M in annual revenue and classified under All Other Business Support Services.
Where is Callahan located?
Callahan is headquartered at 67 Callahan St, East Hanover, New Jersey, 7936, United States.
How many employees does Callahan have?
Callahan has about 4 employees (the 1-5 range).
What is Callahan's annual revenue?
Callahan's annual revenue is estimated at $131,000 (the $0M-$1M range).
What industry is Callahan in?
Callahan is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 561499 (All Other Business Support Services).
Largest industrial & mechanical companies
Manufacturing sales in New Jersey, 2026
In New Jersey, Factur's 2026 study counted 25 manufacturing quotes worth $3.1M and 4 purchase orders over 12 months: 16% of quotes became orders, against 21% nationally. See the New Jersey data.
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