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Products & Services
About calling Inc
calling Inc is listed as a company operating in Office service, employing 11-20 people, reporting $10M-$25M in annual revenue, classified under Business Support Services and based in Oakland, California, United States.
Its primary NAICS classification is 561421 (Telephone Answering Services). calling Inc is one of 2,121,238 Industrial & mechanical companies listed in California.
Business Contact Information
- Phone
- +1 (510) 5332345
- Address
- 4838 International Blvd, Oakland, California, 94601, 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
- 561421Telephone Answering Services
SIC Codes
- 73Business Services
- 738Miscellaneous Business Services
- 7389Convention and Trade Show Organizers
Company Details
- Employees
- 13 (11-20)
- Annual Revenue
- $14.8M ($10M-$25M)
calling Inc: frequently asked questions
What does calling Inc do?
calling Inc is listed as a company operating in Office service, employing 11-20 people, reporting $10M-$25M in annual revenue, classified under Business Support Services and based in Oakland, California, United States.
Where is calling Inc located?
calling Inc is headquartered at 4838 International Blvd, Oakland, California, 94601, United States.
How many employees does calling Inc have?
calling Inc has about 13 employees (the 11-20 range).
What is calling Inc's annual revenue?
calling Inc's annual revenue is estimated at $14.8M (the $10M-$25M range).
What industry is calling Inc in?
calling Inc is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 561421 (Telephone Answering Services).
How can I contact calling Inc?
Its phone number is +1 (510) 5332345.
What companies are similar to calling Inc?
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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