Introduction
December is less busy than October or November, yet many important professional events still take place in the United States and the United Kingdom.
The month includes a rather wide variety of industries such as motorsports, cloud computing, commercial marine, cybersecurity, scientific research, healthcare, retail real estate, fintech, and live-event technology.
For B2B companies the value of such events isn’t just determined by the number of people present; an specialised event which attracts the right decision-makers can be more valuable than a considerably larger general exhibition.
The guide examines the major professional events in December 2026, with a special focus on audience size, industry relevance, and business development opportunities.
December 2026 B2B Event Calendar
| # | Event | Country | 2026 Dates | Focus | Attendees | Exhibitors |
|---|---|---|---|---|---|---|
| 1 | PRI Show | USA | Dec 10–12 | Motorsports & Racing | 40,000+ | 1,000+ |
| 2 | AWS re:Invent | USA | Nov 30–Dec 4 | Cloud, AI & Enterprise Tech | 60,000+* | 450+ partners* |
| 3 | ASH Annual Meeting & Exposition | USA | Dec 12–15 | Hematology & Healthcare | 30,000+ | Exhibition |
| 4 | AGU26 Annual Meeting | USA | Dec 7–11 | Earth & Space Science | 25,000+ | 300+* |
| 5 | MJBizCon | USA | Dec 1–4 | Cannabis Business | 20,000+ | 800+ |
| 6 | International WorkBoat Show | USA | Dec 2–4 | Commercial Marine | 13,000+* | 1,000+* |
| 7 | LDI Show | USA | Dec 6–8 | Live Entertainment Technology | 14,000+* | 300+* |
| 8 | ICSC NEW YORK | USA | Dec 9–10 | Retail Real Estate | 10,000+* | 500+* |
| 9 | FinTech Connect | UK | Dec 1–2 | FinTech & Financial Technology | 5,000+ | 150+ |
| 10 | Black Hat Europe | UK | Dec 7–10 | Cybersecurity | 4,500+* | 120+* |
1. PRI Show 2026: The meeting place for the business of racing
Event Snapshot
Dates: December 10–12, 2026
Venue: Indiana Convention Center & Lucas Oil Stadium, Indianapolis, Indiana, USA
Focus: Motorsports, Racing Equipment & Performance Technology
Attendees: 40,000+
Exhibitors: 1,000+
Venue: Indiana Convention Center & Lucas Oil Stadium, Indianapolis, Indiana, USA
Focus: Motorsports, Racing Equipment & Performance Technology
Attendees: 40,000+
Exhibitors: 1,000+
What You'll Find
The event covers:
- Racing equipment
- Performance parts
- Engines
- Fabrication
- Vehicle technology
- Racing services
- Tools and equipment
Why PRI Matters
The majority of people who work in the motorsports supply chain get the opportunity to interact with distributors, retailers, and manufacturers, while technology and service companies are able to meet racing teams, builders, and other customers.
It makes PRI an excellent opportunity for launching new products, establishing relationships with distributors, and concentrating on B2B sales.
2. AWS re:Invent 2026: Cloud and AI Take Over Las Vegas
Event at a Glance
Dates: November 30–December 4, 2026
Venue: Multiple Las Vegas venues, USA
Focus: Cloud Computing, AI, Security, Data & Enterprise Technology
Attendees: 60,000+*
Exhibitors / Partners: 450+ AWS partners*
Venue: Multiple Las Vegas venues, USA
Focus: Cloud Computing, AI, Security, Data & Enterprise Technology
Attendees: 60,000+*
Exhibitors / Partners: 450+ AWS partners*
Major Technology Areas
- Artificial intelligence
- Cloud infrastructure
- Cybersecurity
- Data
- Application development
- Machine learning
- Enterprise architecture
Commercial Opportunity
The Invent initiative draws in a highly technical crowd, for example, IT managers, developers, cloud architects, security specialists, and enterprise decision-makers.
For B2B technology companies, this event can help with:
Enterprise sales
Cloud partnerships
Cybersecurity prospecting
Developer-focused outreach
Technology integrations
3. The ASH Annual Meeting & Exposition in 2026: A foremost event for healthcare professionals
Event at a Glance
Dates: December 12 to 15, 2026
Venue: Ernest N. Morial Convention Center, New Orleans, Louisiana, USA
Focus: Hematology, Healthcare & Medical Research
Attendees: 30,000+
Exhibitors: 276+
Venue: Ernest N. Morial Convention Center, New Orleans, Louisiana, USA
Focus: Hematology, Healthcare & Medical Research
Attendees: 30,000+
Exhibitors: 276+
Industry Coverage
The event is relevant to:
- Hematology
- Oncology
- Diagnostics
- Medical devices
- Digital health
- Precision medicine
- Genetic testing
- Clinical research
- Pharmaceutical technology
Why It Matters
Since the audience in question is both highly specialized and professionally involved, ASH is particularly useful for firms that cater to the clinical, laboratory, pharmaceutical, and healthcare technology sectors.
4. AGU26 Annual Meeting: 25,000+ Professionals Across Earth & Space Science
The 2026 Show in Brief
Dates: December 7–11, 2026
Venue: Moscone Center, San Francisco, California, USA
Focus: Earth & Space Science, Climate, Environment & Technology
Attendees: 25,000+
Exhibitors: 300+*
Venue: Moscone Center, San Francisco, California, USA
Focus: Earth & Space Science, Climate, Environment & Technology
Attendees: 25,000+
Exhibitors: 300+*
Major Areas
- Climate science
- Earth systems
- Environmental research
- Ocean science
- Geophysics
- Space science
- Research technology
- Scientific instrumentation
Business Opportunity
AGU is especially important for companies that work with research institutions, universities, government organizations, environmental agencies, and scientific teams.
Because the audience consists of professionals, the event is especially valuable for companies offering specialized technology and research services.
5. MJBizCon 2026: A major B2B marketplace for businesses in the cannabis industry
Event at a Glance
Dates: December 1–4, 2026
Venue: Las Vegas Convention Center, Las Vegas, Nevada, USA
Focus: Cannabis Business, Cultivation, Processing, Retail & Services
Attendees: 20,000+
Exhibitors: 800+
Venue: Las Vegas Convention Center, Las Vegas, Nevada, USA
Focus: Cannabis Business, Cultivation, Processing, Retail & Services
Attendees: 20,000+
Exhibitors: 800+
Business Areas
- Cultivation
- Processing
- Packaging
- Retail
- Brand development
- Business services
- Technology
- Investment
Why It Is Commercially Significant
The event is about establishing business relationships, obtaining products and services, and helping the industry to grow.
Potential audiences include:
Retailers
Cultivators
Manufacturers
Distributors
Investors
Technology providers
For companies involved in the cannabis supply chain, the event offers an opportunity to secure new customers and establish business partnerships.
6. The 2026 International WorkBoat Show: Where the Commercial Marine Supply Chain Meets
Event at a Glance
Dates: December 2–4, 2026
Venue: Morial Convention Center, New Orleans, Louisiana, USA
Focus: Commercial Marine, Workboats & Maritime Technology
Attendees: 13,000+
Exhibitors: 1,000+
Venue: Morial Convention Center, New Orleans, Louisiana, USA
Focus: Commercial Marine, Workboats & Maritime Technology
Attendees: 13,000+
Exhibitors: 1,000+
Key Markets
- Commercial vessels
- Shipbuilding
- Marine equipment
- Offshore operations
- Navigation
- Fleet management
- Maritime technology
Why WorkBoat Is Worth Watching
The event brings together attendees with vessel owners, operators, shipyards, fleet managers, marine engineers, and suppliers.
For companies that provide equipment or services to the maritime industry, it is more valuable to target a specific audience than to participate in a general exposition.
7. LDI 2026: The technology used in live events and experiences
Conference Snapshot
Dates: December 6–8, 2026
Venue: Las Vegas Convention Center, Las Vegas, Nevada, USA
Focus: Lighting, Audio, Video, Staging & Entertainment Technology
Attendees: 14,000+
Exhibitors: 300+
Venue: Las Vegas Convention Center, Las Vegas, Nevada, USA
Focus: Lighting, Audio, Video, Staging & Entertainment Technology
Attendees: 14,000+
Exhibitors: 300+
What's on the floor?
- Lighting
- Audio
- Video
- Projection
- Staging
- Rigging
- Special effects
- Production software
- XR and immersive technologies
Business Opportunity
AV technology companies, entertainment suppliers, production firms, and software businesses can all benefit from LDI.
Since the audience consists of specialists, the sales teams need only concentrate on specific professional roles rather than general consumer marketing.
8. ICSC NEW YORK 2026: Retail Real Estate and Deal-Making in Manhattan
Event Details at a Glance
Dates: December 9–10, 2026
Venue: Jacob K. Javits Convention Center, New York City, USA
Focus: Retail Real Estate, Marketplaces & Deal-Making
Attendees: 10,000+
Exhibitors: 500+
Venue: Jacob K. Javits Convention Center, New York City, USA
Focus: Retail Real Estate, Marketplaces & Deal-Making
Attendees: 10,000+
Exhibitors: 500+
The Audience
Potential participants include:
- Retailers
- Property owners
- Developers
- Brokers
- Brands
- Service providers
- Real-estate professionals
Why It Matters
ICSC NEW YORK focuses more on deal-making, retail growth, and business relationships than a typical real estate conference.
Businesses offering technology, services, construction, finance, or real estate solutions can use this event to connect with companies making property and retail decisions.
Note: ICSC makes it clear that it does not sell attendee lists and warns against third parties who claim to offer them.
9. FinTech Connect 2026: London's Financial Technology Community
Event Details
Dates: December 1–2, 2026
Venue: ExCeL London, United Kingdom
Focus: FinTech, Payments, Digital Banking & Financial Technology
Attendees: 5,000+
Exhibitors: 150+
Venue: ExCeL London, United Kingdom
Focus: FinTech, Payments, Digital Banking & Financial Technology
Attendees: 5,000+
Exhibitors: 150+
Seven Key Tracks
The 2026 program covers:
- Digital assets
- Business banking
- Payments
- Financial security
- Digital transformation
- AI in finance
- FinTech marketing
The organizer says that over 80% of attendees are senior leaders, such as C-suite executives, SVPs, VPs, and other senior managers.
B2B Opportunity
FinTech Connect is especially valuable for companies that offer financial software, cybersecurity, AI, payment infrastructure, compliance technology, or enterprise services.
10. Black Hat Europe in 2026: The cybersecurity event held in London
Event Details
Dates: December 7–10, 2026
Venue: ExCeL London, United Kingdom
Focus: Cybersecurity, Threat Research & Security Technology
Attendees: 4,500+ latest benchmark*
Exhibitors: 120+
Venue: ExCeL London, United Kingdom
Focus: Cybersecurity, Threat Research & Security Technology
Attendees: 4,500+ latest benchmark*
Exhibitors: 120+
Core Areas
- Cybersecurity
- Cloud security
- AI security
- Threat intelligence
- Vulnerability management
- Security operations
- Identity and access
- Network defense
Why It Matters
What cybersecurity companies primarily get value from is their specialised audience rather than the total number of attendees.
The Business Hall provides a platform for security companies to showcase their technology and meet with professional buyers and practitioners.
Which December Event Fits Your Sales Objective?
| Sales Objective | Strongest Event |
|---|---|
| Motorsports & automotive | PRI Show |
| Cloud & AI | AWS re:Invent |
| Healthcare & medical technology | ASH Annual Meeting |
| Science & environmental technology | AGU26 |
| Cannabis industry | MJBizCon |
| Marine & maritime | WorkBoat Show |
| Entertainment technology | LDI |
| Retail real estate | ICSC NEW YORK |
| FinTech | FinTech Connect |
| Cybersecurity | Black Hat Europe |
Keep Attendee and Exhibitor Data Separate
Attendee Data
Best for:
- Customer acquisition
- Buyer outreach
- Procurement targeting
- Decision-maker campaigns
Goal: Find potential customers
Exhibitor Data
Useful for:
- Partnerships
- Supplier relationships
- Distribution
- Business development
- Technology integrations
Goal: Find potential business partners
Keeping these audiences separate helps sales teams tailor their messages and improve segmentation.
What to Check Before Choosing an Event Data Provider
| Factor | What to Check |
|---|---|
| Event Coverage | Does the provider cover the exact event you want to target? |
| Audience Type | Choose Attendees, Exhibitors, or Both based on your campaign goal. |
| Contact Fields | Name, company, job title, business email, phone where available, location and industry. |
| Segmentation | Filter by job role, seniority, geography, industry and company size. |
| Data Freshness | Check when the records were collected, reviewed or updated. |
| Event Policies | Make sure third-party data is not presented as an official organizer attendee list. |
Start building your prospecting list for December 2026
Are you looking to connect with attendees at events such as PRI Show, AWS re:Invent, ASH, AGU26, MJBizCon, WorkBoat, LDI, ICSC NEW YORK, FinTech Connect, or Black Hat Europe?
ExpoLeads can help you create a prospecting list focused on attendees or exhibitors for your chosen event.
Just let us know:
- Event name
- Country
- Target audience
- Industry
- Job titles
- Seniority
- Comp geographic requirements. Make your next event the source of your best prospect list. Prospect List.
Turn the Right Event Into the Right Prospect List
Comparing December Event Data Providers
If your business is looking for event-based contact data, you can compare providers by evaluating their event coverage, audience relevance, data segmentation, and overall data quality.
- ExpoLake offers attendee and exhibitor contact data for trade shows and professional events.
- ExpoAttendeeList — Event-focused attendee and exhibitor databases.
The right choice should be based on the specific event, audience, and campaign requirements, rather than database size alone.
Final Thoughts
While December 2026 has fewer major expos than November, it still presents valuable B2B opportunities in specialised industries. Events like PRI and AWS re: Invent attract large technology and business crowds. ASH and AGU26 gather key professional groups. WorkBoat, LDI, and ICSC NEW YORK focus on specific industry markets, and FinTech Connect and Black Hat Europe reach targeted UK tech audiences.
The best event strategy is not just about going after the largest crowds.
Instead, it means choosing the right event, connecting with the right companies and decision-makers, and starting meaningful conversations before the event that continue afterward.
For B2B teams, an event calendar can truly help generate leads and support business growth.
FAQ's
Which event is best for marine businesses?
The International WorkBoat Show is aimed at commercial marine businesses and will take place from December 2 to 4, 2026, in New Orleans.
Which cybersecurity event takes place in December?
In the UK, Black Hat Europe is the preferred option, with its main conference and Business Hall scheduled for December 9 and 10, 2026.
Whether I should concentrate on the attendees or the exhibitors?
If you would like to get new customers, contact the attendees; and if you want to enter into partnerships or obtain supplies and distribution, connect with the exhibitors and discuss business development.
Can the official attendee lists for each event be provided?
The policies vary from organizer to organizer, with ICSC NEW YORK making it clear that it does not sell attendee lists and also cautions regarding third parties that offer them.