What are the maximum levels of rigs / cooling systems / infrastructure / traders?

• Rigs - Level 800
• Cooling systems - Level 800
• Infrastructure - Level 2400
• Traders - Level 2400

There's also a big upgrade happening on every element, every X number of levels:

• Rigs - Every 10 levels is a big upgrade, then once you reach level 25, every 25 levels is a big upgrade.
• Cooling Systems - Every 10 levels is a big upgrade, then once you reach level 25, every 25 levels is a big upgrade.
• Infrastructure - First 10 levels, then once you reach level 40, every 40 levels is a big upgrade.
• Traders - First 10 levels, then once you reach level 40, every 40 levels is a big upgrade.