Dun & Bradstreet
Gretna’s Dun No.: 054633755
Dun & Bradstreet, Inc. is an American public company headquartered in Short Hills, a community in Millburn, New Jersey, US that provides commercial data to businesses on credit history, business-to-business sales and marketing, counterparty risk exposure, supply chain management, lead scoring and social identity matching.
System Award Management
Gretna’s Cage Code : 0AXC7
The Commercial And Government Entity (CAGE) Code is a five-character ID number used extensively within the federal government, assigned by the Department of Defense’s Defense Logistics Agency (DLA). The CAGE code is used to support a variety of mechanized systems throughout the government and provides a standardized method of identifying a given legal entity at a specific location.
AS9100
AS9100 is a widely adopted and standardized quality management system for the aerospace industry. The standard takes the ISO 9001 requirements and supplements them with additional quality system requirements, which are established by the aerospace industry in order to satisfy DOD, NASA and FAA quality requirements.
ISO 9001:2015
Gretna Machine Shop, Inc. is ISO-certified and holds high scores through successful implementation of a Total Quality Management Program. Being in accordance with the standards of ISO 9001-2015 illustrates our continuous dedication to high-end quality work and continuous improvement.
HubZone
HUBZone is a United States Small Business Administration (SBA) program for small companies that operate and employ people in Historically Underutilized Business Zones (HUBZones). The program helps small businesses in urban and rural communities gain preferential access to federal procurement opportunities. Gretna is certified as a “qualified HUBZone small business concern (SBC)”, which means that we are eligible for HUBZone opportunities.
Better Business Bureau (BBB)
Gretna maintains an A+ rating with the Better Business Bureau. With a mission to create a community of trustworthy businesses, the BBB sets the standards for marketplace trust, encouraging and supporting best practices, celebrating marketplace role models, and denouncing substandard marketplace behavior.
UL, LLC
At Gretna, all of our CNC machines are UL-certified, which means that they have undergone rigorous safety analysis. Because UL is a global independent safety science company, the UL Mark is the most widely recognized and accepted third party certification mark in North America, giving products the surest route to product acceptance by authorities, regulators and customers.
Gretna is a proud member of the following professional organizations:
Greater Houston Manufacturing Association (GHMA)
The mission of GHMA is to expand opportunities for manufacturers in Greater Houston through peer-to-peer connections, education and tutorials, and advocacy. They aim to create a more transparent and accessible industry ecosystem. They believe there’s nothing that an OEM or supplier can’t find in Houston or Harris County—home to over 7,000 manufacturing companies and more than 300,000 manufacturing employees.
Women In Manufacturing (WIM)
WIM is a community of manufacturing professionals nationwide, collaborating in an effort to promote the success of women in manufacturing careers through the delivery of powerful, effective and proven resources to women in industry and the companies that employ them.
National Tooling & Machining Association (NTMA)
NTMA connects U.S. precision manufacturers to advance and secure the industry for future generations. They provide opportunities that leverage their members’ collective experience and ingenuity to accelerate capabilities across the network. Speaking and acting with a unified voice, they advocate for the industry while providing essential business resources and critical knowledge. They are committed to closing the skills gap by engaging youth and developing emerging leaders.












