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Products & Services
About Square63
Square63 builds custom software and production AI agents for founders, CTOs and product teams, and takes over MVPs that outgrew their code. Since 2011.
Its primary NAICS classification is 541511 (Custom Computer Programming Services). Square63 is one of 1,586,245 Industrial & mechanical companies listed in Texas.
Business Contact Information
- Phone
- +1 (415) 3435403
- Website
- square63.com
- linkedin.com/company/square63
- facebook.com/square63
- Address
- 10685 Hazelhurst Dr, Houston, Texas, 77043, United States
Industry & Classification
- Industry
- Industrial & mechanical
- Sector
- Commercial services
- Segment
- Office service
NAICS Codes
- 54Professional, Scientific, and Technical Services
- 5415Computer Systems Design and Related Services
- 541511Custom Computer Programming Services
SIC Codes
- 73Business Services
- 737Computer Programming, Data Processing, And Other Computer Related Services
- 7371Custom Computer Programming Services
Company Details
- Employees
- 69 (51-100)
- Annual Revenue
- $16.4M ($10M-$25M)
Square63: frequently asked questions
What does Square63 do?
Square63 builds custom software and production AI agents for founders, CTOs and product teams, and takes over MVPs that outgrew their code. Since 2011.
Where is Square63 located?
Square63 is headquartered at 10685 Hazelhurst Dr, Houston, Texas, 77043, United States.
How many employees does Square63 have?
Square63 has about 69 employees (the 51-100 range).
What is Square63's annual revenue?
Square63's annual revenue is estimated at $16.4M (the $10M-$25M range).
What industry is Square63 in?
Square63 is in the Industrial & mechanical / Commercial services industry, and its primary NAICS code is 541511 (Custom Computer Programming Services).
How can I contact Square63?
Its website is square63.com and its phone number is +1 (415) 3435403.
What companies are similar to Square63?
Other large industrial & mechanical companies in Texas include State of Texas, Phillips 66 Co, Foxconn Industrial Internet Co. Ltd and Accenture.
Largest industrial & mechanical companies in Texas
Largest companies in Texas
Largest industrial & mechanical companies
Manufacturing sales in Texas, 2026
In Texas, Factur's 2026 study counted 76 manufacturing quotes worth $23.7M and 13 purchase orders over 12 months: 17% of quotes became orders, against 21% nationally. See the Texas data.
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