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About Block H
Block H is listed as a company based in Ontario, California, United States, employing 1-5 people, reporting $0M-$1M in annual revenue and classified under Manufacturing.
Its primary NAICS classification is 327331 (Concrete Block and Brick Manufacturing). Block H is one of 7,660,543 companies listed in California.
Business Contact Information
- Phone
- +1 (909) 9838089
- Address
- 1849 E 4th St, Ontario, California, 91764, United States
Industry & Classification
NAICS Codes
- 32
- 3273Cement and Concrete Product Manufacturing
- 327331Concrete Block and Brick Manufacturing
SIC Codes
- 32Stone, Clay, Glass, And Concrete Products
- 325Structural Clay Products
- 3251Clay Building Material and Refractories Mfg.
Company Details
- Employees
- 5 (1-5)
- Annual Revenue
- $454,000 ($0M-$1M)
Block H: frequently asked questions
What does Block H do?
Block H is listed as a company based in Ontario, California, United States, employing 1-5 people, reporting $0M-$1M in annual revenue and classified under Manufacturing.
Where is Block H located?
Block H is headquartered at 1849 E 4th St, Ontario, California, 91764, United States.
How many employees does Block H have?
Block H has about 5 employees (the 1-5 range).
What is Block H's annual revenue?
Block H's annual revenue is estimated at $454,000 (the $0M-$1M range).
What industry is Block H in?
Block H's primary NAICS code is 327331 (Concrete Block and Brick Manufacturing).
How can I contact Block H?
Its phone number is +1 (909) 9838089.
Largest companies in California
Largest companies on Factur
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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