NGA members proudly adhere to a code of ethics that engenders public confidence in the integrity and service of glass professionals everywhere. They agree to:

• Promote and encourage fair and ethical competition.
• Fulfill all contractual obligations and respect the contractual obligations of others by not inducing breach of existing contracts.
• Use safety glazing materials whenever possible and to refuse to sell unsafe products.
• Maintain a safe work area which provides adequate inventories of glass products and to sell these products at a fair and non-discriminating price.
• Maintain the highest industry-wide standards of professional and personal conduct.
• Promote the advancement of the association on both the local and national levels, supporting its goals and objectives.