Opt Holdings Ltd

Opt Holdings Ltd is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Meeting & Event Planning Services

North American Industry Classification System (NAICS) Categories:

• All Other Business Support Services > Convention Trade Show & Promotional Services > Meeting & Event Planning Services
• Convention And Trade Show Organizers > Convention Trade Show & Promotional Services > Meeting & Event Planning Services

Standard Industry Classification (SIC) Categories:

• Business Services, Nec > Agents Brokers & Planning Services > Meeting & Conference Consultants