• 3450 Lang Road, Houston, TX
  • 713-690-7328

We work on the cusp of
innovation and technology

Using the latest industry tools and equipment
to provide 100 percent quality assurance

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If it can be imagined,
it can be made

We build the bridge between the world
of ideas and the delivery of products

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Built on traditional values
and still family-owned

Gretna has grown into a modern, first-class
machine shop with more than 50 employees

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Driven by Quality

Manufacturing Precision Components from Subsea to Mars


Gretna Machine Shop is an ISO 9001:2015/ AS 9100:2016-certified, 100% women- and minority-owned lean manufacturing facility located in a HUBZone in the heart of Houston’s industrial corridor. Since 1980, Gretna has offered its customers outstanding service and quality work in precision components for the oil and gas industry and beyond. With the capability to serve the energy, aerospace, automotive and government sectors, Gretna prides itself on being the machine shop of choice for a number of multinational and Fortune 500 companies.

Whether you need a reliable supplier who can machine a prototype, or you are looking for a shop that can handle the high volume of production runs, Gretna is your turnkey, lean manufacturing facility that will deliver your product on-time with the specifications you require.

Key Certifications

Executive Leadership

Ninfa G. Pérez

Ninfa is a co-founder and owner of Gretna Machine Shop and is now the company’s president. With more than 30 years’ experience, Ninfa manages the company’s overall financial health.

Nubia A. Pérez-Blaine

As Gretna’s CEO and part-owner, Nubia helps plan and execute the company’s short and long-term goals with a focus on cost reduction and strategic planning.

Nancy Pérez-Vargas

As Chief Marketing Officer and part-owner, Nancy provides invaluable marketing and entrepreneurial experience, having previously ran her own successful advertising and marketing company.

Using the latest industry tools and equipment to meet and exceed required tolerances, we provide 100 percent quality assurance.


We’re always interested in new projects, big or small. Please don’t hesitate to get in touch with us regarding your project.

If you have any questions about our services, you can always email us directly. We’ll reply within 24 hours. We’re available by phone from 7 AM to 4:30 PM (CST) Monday through Friday if it’s just easier to talk through the project you have in mind. Reach us at 713.690.7328.