TDI (Technical Diving International) – Beyond Recreational Limits

• Founded: 1993, Bret Gilliam
• Specialization: Extreme-depth diving and overhead environments.

Why It’s Hardcore:
If you’ve ever dreamed of diving a wreck 100m down, navigating underwater cave networks, or diving beneath ice in a drysuit, TDI is your agency. Their curriculum is designed for divers who demand precision and depth.

Interesting Facts:

• TDI courses include ice diving, mine diving, and hypoxic Trimix for depths exceeding 100 meters.
• The organization maintains rigorous standards and detailed manuals, often consulted even by instructors from other agencies.
• TDI divers are often involved in exploratory missions, archaeological dives, and search-and-recovery operations.
• It was among the first to formalize training for rebreather systems, now a core tool for deep exploration.

Unique Features:

• Advanced Trimix, CCR, and cave diving certifications
• Global leader in hypoxic and expedition diving
• Trusted by exploration teams worldwide

For more information about TDI:

Please visit the official website – https://www.tdisdi.com/tdi/