American National Standards Institute
About the American National Standards Institute
Founded in 1918, the American National Standards Institute (ANSI) is a leading non-governmental, not-for-profit organisation in the United States. It plays a pivotal role in coordinating and administering the U.S. voluntary standards and conformity assessment system. The primary mission of ANSI is to enhance global business competitiveness and the overall quality of life by promoting and facilitating voluntary consensus standards and conformity assessment systems while safeguarding their integrity.
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What Does ANSI Stand For?
Definition of ANSI – American National Standards Institute
ANSI stands for the American National Standards Institute. It is a non-profit organisation that oversees the development of voluntary consensus Standards in the United States. ANSI represents the interests of the U.S. in international Standardisation bodies, such as ISO and IEC, and plays a critical role in ensuring consistency, safety, and interoperability across industries.
ANSI’s Role in Global Standards Development
ANSI facilitates the adoption of national and international Standards, supporting industries in achieving compliance, boosting market access, and promoting innovation. By coordinating U.S. input to ISO and IEC, ANSI ensures that American stakeholders have a voice in global regulatory and technical requirements.
ANSI Standards Overview
What Are ANSI Standards?
ANSI Standards are technical documents that establish uniform criteria, methods, processes, and practices across a wide range of sectors. These Standards cover areas such as construction, safety, information technology, manufacturing, and environmental protection. They support regulatory compliance, improve product quality, and enhance organisational efficiency.
ANSI Codes, Control Sequences, and Control Codes Explained
ANSI control codes and control sequences define how computers and electronic devices communicate, particularly in text interfaces. These Standards are crucial for software and hardware developers working with user interfaces, terminals, and embedded systems. From ANSI escape codes to device command sets, these technical specifications ensure consistent digital interactions.
Key Industry Applications of ANSI Standards
ANSI Standards are widely used in industries including healthcare, telecommunications, energy, and finance. For example, ANSI X9 Standards address data security and compliance in financial services, while ANSI Z Standards ensure workplace safety and environmental health.

ANSI vs ISO: What’s the Difference?
Scope and Influence of ANSI Compared to ISO
While both organisations develop and coordinate Standards, ANSI operates within the U.S., whereas ISO (International Organization for Standardization) is a global entity. ANSI accredits Standards developed by other U.S. organisations, while ISO develops international consensus-based Standards adopted by member countries.
How ANSI and ISO Work Together
ANSI represents the U.S. in ISO, contributing to and adopting global Standards. Many ISO Standards are harmonised with ANSI documents to ensure consistency across borders. This collaboration allows businesses to align with both national and international compliance requirements more effectively.
Accessing ANSI Standards on Intertek Inform
Popular ANSI Standards Available
Intertek Inform offers access to a wide range of best-selling and newly released ANSI Standards, including:
- ANSI X9.124 – Symmetric Key Cryptography for the Financial Services Industry
- ANSI B11.27 – Safety Requirements for Electro Discharge Machines
- ANSI Z97.1:2015(R2020) – Safety Glazing Materials Used in Buildings
Each document is available in digital and printed formats to suit your operational needs.
How to Purchase and Use ANSI Publications
With Intertek Inform, you can purchase ANSI Standards individually or as part of a tailored subscription package. Our platform enables you to search, access, and integrate ANSI publications into your business workflows, helping you stay compliant and accelerate market entry. Choose from multi-user access, cloud-based document storage, and flexible licensing to support your compliance strategy.
Frequently Asked Questions
So, what is the American National Standards Institute? It is a private, non-profit organisation. The standards are not written by the ANSI, but instead accredit standard developers who establish agreement among qualified groups.
The ANSI administers and coordinates the voluntary standards and conformity assessment system across the U.S. Many American National Standards are also national adaptations of globally relevant international standards.
Working in collaboration with industry stakeholders and government agencies worldwide, the ANSI identifies and develops standards in accordance with conformance-based solutions to national and global priorities.
The global relevant standards and conformance measures are designed and implemented to increase overall efficiency, boost consumer confidence, and reduce costs and open markets.
The American National Standards Institute (ANSI) is a private, nonprofit organisation. It is also a member of the International Accreditation Forum (IAF) and is the United States member body to ISO and, via its United States National Committee, the International Electrotechnical Commission (IEC).
The ANSI membership is made up of a variety of businesses and industrial organisations, trade associations, labour unions, professional societies, consumer groups, academia, and government organisations for the principal function of enhancing global business competitiveness and improving the quality of life for citizens globally.
The primary function of the American National Standards Institute (ANSI) is to collaborate with industry and government stakeholders to develop voluntary documents that can be used for regulatory or procurement purposes across a wide range of industries.
ANSI approves the standards and then publishes the standards that have been developed by industry organisations. The standards are published as American National Standards. These standards are also national adaptations of globally relevant international standards.
The ANSI is a standard body that represents the United States at the ISO and the IEC, both of which set key international standards. The ANSI has a significant positive impact on the safety, quality, and efficiency of many industries.
As an active participant in a number of global public and private sector partnerships, the ANSI assists emerging economies so it is possible to build capacity effectively and efficiently implement infrastructure and regulatory compliance, standards, and trade.
Standards are available by publisher and industry. The standard categories also come with ICS codes, for example, electronics and railway engineering.