They keep government spending low.
NFPA 24 – a U.S.-based international nonprofit organization.
National Fire Protection Association, “Benefits of Standards Development Organizations,” NFPA, 04-18-2024, https://www.nfpa.org/for-professionals/codes-and-standards/standards-development/the-value-of-standards-development-organizations/benefits-of-sdos#
SDOs marshal the vast expertise, diverse perspectives, and technical resources that are available outside the government in order to develop health, safety and environmental standards that are made available for government use at virtually no tax-payer cost. In addition, government use of standards decreases the burden of regulation and the costs of enforcement by conforming regulatory requirements to voluntary, user accepted standards that are already widely looked to for best practices and private self-regulation. Finally, the savings from standards can be seen in many areas of the economy.