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About Keystone Engineering Co
This profile covers Keystone Engineering Co, a company employing 11-20 people, reporting $1M-$5M in annual revenue, classified under Oil and Gas Field Machinery and Equipment Manufacturing and based in Houston, Texas, United States.
Its primary NAICS classification is 333132 (Oil and Gas Field Machinery and Equipment Manufacturing). Keystone Engineering Co is one of 5,697,306 companies listed in Texas.
Business Contact Information
- Phone
- +1 (713) 7471478
- Fax
- +XXX (713) 7478227
- Website
- www.keystoneeng.com
- Address
- 6310 Sidney St, Houston, Texas, 77021, United States
Industry & Classification
NAICS Codes
- 33
- 3331Agriculture, Construction, and Mining Machinery Manufacturing
- 333132Oil and Gas Field Machinery and Equipment Manufacturing
SIC Codes
- 35Industrial And Commercial Machinery And Computer Equipment
- 353Construction, Mining, And Materials Handling
- 3533Oil and Gas Field Machinery and Equipment Mfg.
Company Details
- Employees
- 11 (11-20)
- Annual Revenue
- $3.8M ($1M-$5M)
Keystone Engineering Co: frequently asked questions
What does Keystone Engineering Co do?
This profile covers Keystone Engineering Co, a company employing 11-20 people, reporting $1M-$5M in annual revenue, classified under Oil and Gas Field Machinery and Equipment Manufacturing and based in Houston, Texas, United States.
Where is Keystone Engineering Co located?
Keystone Engineering Co is headquartered at 6310 Sidney St, Houston, Texas, 77021, United States.
How many employees does Keystone Engineering Co have?
Keystone Engineering Co has about 11 employees (the 11-20 range).
What is Keystone Engineering Co's annual revenue?
Keystone Engineering Co's annual revenue is estimated at $3.8M (the $1M-$5M range).
What industry is Keystone Engineering Co in?
Keystone Engineering Co's primary NAICS code is 333132 (Oil and Gas Field Machinery and Equipment Manufacturing).
How can I contact Keystone Engineering Co?
Its website is www.keystoneeng.com and its phone number is +1 (713) 7471478.
Largest companies in Texas
Largest companies on Factur
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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