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Products & Services
About OnCall
This profile covers OnCall, a company reporting $1M-$5M in annual revenue, classified under All Other Support Services, based in San Ramon, California, United States, operating in Office service and employing 6-10 people.
Its primary NAICS classification is 561990 (All Other Support Services). OnCall is one of 2,121,238 Industrial & mechanical companies listed in California.
Business Contact Information
- Website
- oncall-info.com
- linkedin.com/company/oncall-info
- Address
- 231 Market Pl, San Ramon, California, 94583, United States
Industry & Classification
- Industry
- Industrial & mechanical
- Sector
- Commercial services
- Segment
- Office service
NAICS Codes
- 56Administrative and Support and Waste Management and Remediation Services
- 5619Other Support Services
- 561990All Other Support Services
SIC Codes
- 73Business Services
- 738Miscellaneous Business Services
- 7389Convention and Trade Show Organizers
Company Details
- Employees
- 10 (6-10)
- Annual Revenue
- $2.5M ($1M-$5M)
OnCall: frequently asked questions
What does OnCall do?
This profile covers OnCall, a company reporting $1M-$5M in annual revenue, classified under All Other Support Services, based in San Ramon, California, United States, operating in Office service and employing 6-10 people.
Where is OnCall located?
OnCall is headquartered at 231 Market Pl, San Ramon, California, 94583, United States.
How many employees does OnCall have?
OnCall has about 10 employees (the 6-10 range).
What is OnCall's annual revenue?
OnCall's annual revenue is estimated at $2.5M (the $1M-$5M range).
What industry is OnCall in?
OnCall is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 561990 (All Other Support Services).
How can I contact OnCall?
Its website is oncall-info.com.
What companies are similar to OnCall?
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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