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Products & Services
About Callan
Institutional investors count on Callan for the advice and support to help simplify decision-making and create smarter investment plans. This profile covers Callan, a company operating in Office service, employing 101-250 people, reporting $50M-$100M in annual revenue, classified under Administrative Management and General Management Consulting Services and based in San Francisco, California, United States.
Its primary NAICS classification is 541611 (Administrative Management and General Management Consulting Services). Callan is one of 2,121,238 Industrial & mechanical companies listed in California.
Business Contact Information
- Website
- callan.com
- linkedin.com/company/callan
- facebook.com/callanllc
- Address
- 600 Montgomery St, San Francisco, California, 94111, United States
Industry & Classification
- Industry
- Industrial & mechanical
- Sector
- Commercial services
- Segment
- Office service
NAICS Codes
- 54Professional, Scientific, and Technical Services
- 5416Management, Scientific, and Technical Consulting Services
- 541611Administrative Management and General Management Consulting Services
SIC Codes
- 87Engineering, Accounting, Research, Management, And Related Services
- 874Management And Public Relations Services
- 8742Marketing Consulting Services
Company Details
- Employees
- 143 (101-250)
- Annual Revenue
- $92.8M ($50M-$100M)
Callan: frequently asked questions
What does Callan do?
Institutional investors count on Callan for the advice and support to help simplify decision-making and create smarter investment plans.
Where is Callan located?
Callan is headquartered at 600 Montgomery St, San Francisco, California, 94111, United States.
How many employees does Callan have?
Callan has about 143 employees (the 101-250 range).
What is Callan's annual revenue?
Callan's annual revenue is estimated at $92.8M (the $50M-$100M range).
What industry is Callan in?
Callan is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 541611 (Administrative Management and General Management Consulting Services).
How can I contact Callan?
Its website is callan.com.
What companies are similar to Callan?
Other large industrial & mechanical companies in California include State of California, TD SYNNEX Corp, University of California and Ingram Micro Holding Corp.
Largest industrial & mechanical companies in California
Largest companies in California
Largest industrial & mechanical companies
Manufacturing sales in California, 2026
In California, Factur's 2026 study counted 98 manufacturing quotes worth $14.7M and 18 purchase orders over 12 months: 18% of quotes became orders, against 21% nationally. See the California data.
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