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Products & Services
About Robert Ritchie
Robert Ritchie is listed as a company classified under All Other Business Support Services, based in Altadena, California, United States, operating in Office service, employing 1-5 people and reporting $0M-$1M in annual revenue.
Its primary NAICS classification is 561499 (All Other Business Support Services). Robert Ritchie is one of 2,121,238 Industrial & mechanical companies listed in California.
Business Contact Information
- Address
- 2524 Page Dr, Altadena, California, 91001, 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
- 3 (1-5)
- Annual Revenue
- $200,000 ($0M-$1M)
Robert Ritchie: frequently asked questions
What does Robert Ritchie do?
Robert Ritchie is listed as a company classified under All Other Business Support Services, based in Altadena, California, United States, operating in Office service, employing 1-5 people and reporting $0M-$1M in annual revenue.
Where is Robert Ritchie located?
Robert Ritchie is headquartered at 2524 Page Dr, Altadena, California, 91001, United States.
How many employees does Robert Ritchie have?
Robert Ritchie has about 3 employees (the 1-5 range).
What is Robert Ritchie's annual revenue?
Robert Ritchie's annual revenue is estimated at $200,000 (the $0M-$1M range).
What industry is Robert Ritchie in?
Robert Ritchie is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 561499 (All Other Business Support Services).
What companies are similar to Robert Ritchie?
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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