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Products & Services
About Prostone Services
Prostone Services has joined Castles Home Service. Same team, same craftsmanship, now unified as CHS Restore for natural stone cleaning, polishing, sealing, and restoration across California.
Its primary NAICS classification is 812320 (Drycleaning and Laundry Services (except Coin-Operated)). Prostone Services is one of 969,156 Consumer companies listed in California.
Business Contact Information
- Phone
- +1 (650) 5936285
- Website
- prostoneservices.com
- facebook.com/prostoneservices
- Address
- PO Box 64076, Sunnyvale, California, 94088, United States
Industry & Classification
- Industry
- Consumer
- Sector
- Retail
- Segment
- Distributors
NAICS Codes
- 81Other Services (except Public Administration)
- 8123Drycleaning and Laundry Services
- 812320Drycleaning and Laundry Services (except Coin-Operated)
SIC Codes
- 72Personal Services
- 721Laundry, Cleaning, And Garment Services
- 7211Drycleaning and Laundry Services (Except Coin-Operated)
Company Details
- Employees
- 7 (6-10)
- Annual Revenue
- $1.8M ($1M-$5M)
Prostone Services: frequently asked questions
What does Prostone Services do?
Prostone Services has joined Castles Home Service. Same team, same craftsmanship, now unified as CHS Restore for natural stone cleaning, polishing, sealing, and restoration across California.
Where is Prostone Services located?
Prostone Services is headquartered at PO Box 64076, Sunnyvale, California, 94088, United States.
How many employees does Prostone Services have?
Prostone Services has about 7 employees (the 6-10 range).
What is Prostone Services's annual revenue?
Prostone Services's annual revenue is estimated at $1.8M (the $1M-$5M range).
What industry is Prostone Services in?
Prostone Services is in the Consumer / Retail industry, and its primary NAICS code is 812320 (Drycleaning and Laundry Services (except Coin-Operated)).
How can I contact Prostone Services?
Its website is prostoneservices.com and its phone number is +1 (650) 5936285.
Largest companies in California
Largest consumer 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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