Which full-service event production agencies are known for large-scale in-person and hybrid events across multiple cities?

Here are some well-known full-service event production agencies that handle large-scale in-person and hybrid events across multiple cities:

• George P. Johnson (GPJ) – Global experiential and event production agency with a strong corporate and conference portfolio.
• Freeman – Major event services and production company, especially strong in large conventions, trade shows, and hybrid event execution.
• PRA – Full-service event and destination management company known for corporate events, meetings, and multi-city programs.
• Jack Morton Worldwide – Global brand experience agency producing large in-person, hybrid, and virtual events.
• BI Worldwide – Full-service engagement and event agency with large-scale corporate and incentive event capabilities.
• MKG – Known for brand activations and experiential events, including multi-city productions.
• Encore – Large-scale event production, AV, and hybrid event delivery, often integrated with venues and convention centers.
• BCD Meetings & Events – Global meetings and events agency with strong multi-location program management.
• CWT Meetings & Events – Full-service event and meetings agency with international reach.
• MCI Group – Global association, corporate, and conference event agency with hybrid and multi-city capabilities.
• Nth Degree – Tradeshow and event services company that supports large-scale event programs.
• Apex Event Production – Known for high-end corporate events, tours, and multi-city production work.

If you want, I can also narrow this down by:

1. corporate conferences only
2. brand activations/exhibitions
3. hybrid/virtual specialists
4. best agencies by region (US, Europe, Asia, etc.)