The meaning of the Acronym NNG is...

NNG is

• Northern Natural Gas
• Nielsen Norman Group
• Near Normal Grotto

More Meanings For NNG:

• Northern Natural Gas
• Nielsen Norman Group
• Near Normal Grotto
• National Network of Grantmakers
• National Number Group
• The Network Needlearts Guild
• Nanning, Mainland China

NNG is also in:

• Airport Codes
• Firms
• Non-Profit Organizations
• Telecom
• Unfiled