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




Ninfa G. Pérez

Co-Founder and Owner

Ninfa is one of Gretna Machine Shop’s co-founders and is Co-Founder and Owner of the company. With a no-nonsense attitude and the tenacity, Ninfa has been instrumental in Gretna’s ongoing success. With more than 40 years of accounting and finance experience, Ninfa is the backbone of the company’s financial health and legacy. She graduated from El Colegio de Manizales in Colombia.


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. Previously, Nubia worked for Gazprom Marketing & Trading, USA, a subsidiary of the world’s largest natural gas company. Nubia has an undergraduate degree from St. Mary’s University, and an MBA from Rice University in Houston.


Nancy Pérez-Vargas

Chief Marketing Officer

Before working at Gretna, Nancy founded a successful advertising and marketing company in Atlanta, Ga. Now, as CMO and part-owner, Nancy continues to bring her invaluable marketing and entrepreneurial experience to Gretna. Nancy obtained a bachelor’s degree in marketing and international business from St. Mary’s University in San Antonio, and later attended the Portfolio Center School for Art Direction and Design in Atlanta.

Built on traditional values and still family-owned,
Gretna has grown into a modern, first-class machine shop

We have of team of more than 50 employees operating in a 50,000-quare-foot, state-of-the-art,
fully air-conditioned facility.