Johnston Systems
Commercial services · San Luis Obispo, California
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Products & Services
About Johnston Systems
Johnston Systems is listed as a company based in San Luis Obispo, California, United States, operating in Office service, employing 6-10 people, reporting $0M-$1M in annual revenue and classified under Administrative Management and General Management Consulting Services.
Its primary NAICS classification is 541611 (Administrative Management and General Management Consulting Services). Johnston Systems is one of 2,121,238 Industrial & mechanical companies listed in California.
Business Contact Information
- Phone
- +1 (805) 4660979
- Website
- johnstonsystems.com
- Address
- PO Box 727, San Luis Obispo, California, 93406, 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
- 6 (6-10)
- Annual Revenue
- $972,000 ($0M-$1M)
Johnston Systems: frequently asked questions
What does Johnston Systems do?
Johnston Systems is listed as a company based in San Luis Obispo, California, United States, operating in Office service, employing 6-10 people, reporting $0M-$1M in annual revenue and classified under Administrative Management and General Management Consulting Services.
Where is Johnston Systems located?
Johnston Systems is headquartered at PO Box 727, San Luis Obispo, California, 93406, United States.
How many employees does Johnston Systems have?
Johnston Systems has about 6 employees (the 6-10 range).
What is Johnston Systems's annual revenue?
Johnston Systems's annual revenue is estimated at $972,000 (the $0M-$1M range).
What industry is Johnston Systems in?
Johnston Systems 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 Johnston Systems?
Its website is johnstonsystems.com and its phone number is +1 (805) 4660979.
What companies are similar to Johnston Systems?
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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