| Mining I | Increases ore mining rate and mine storage capacity | 40 ⏱ 60s | Steel Production I |
| Mining II | Further improves ore extraction rate and storage capacity | 50 40 ⏱ 120s | Mining I, Steel Production II |
| Mining III | Maximum ore extraction rate with expanded storage | 70 60 ⏱ 200s | Mining II, Steel Production III |
| Oil Drilling I | Increases oil extraction rate and derrick storage capacity | 35 ⏱ 60s | Oil Refinement I |
| Oil Drilling II | Further improves oil drilling rate and tank capacity | 40 35 ⏱ 110s | Oil Drilling I, Oil Refinement II |
| Oil Drilling III | Maximum oil extraction rate with expanded storage capacity | 55 55 ⏱ 180s | Oil Drilling II, Oil Refinement III |
| Conveyor Speed I | Conveyors carry larger loads at higher speed and frequency | 35 ⏱ 60s | Research Center |
| Conveyor Speed II | Further increases conveyor load size, transit speed, and frequency | 55 35 ⏱ 120s | Conveyor Speed I |
| Conveyor Speed III | Maximum conveyor throughput with peak load size and transit speed | 50 60 ⏱ 200s | Conveyor Speed II |
| Steel Production I | Foundries smelt iron more efficiently with greater output and storage capacity | 50 ⏱ 75s | Foundry, Research Center |
| Steel Production II | Improved foundry efficiency with higher steel output and storage | 60 50 ⏱ 140s | Steel Production I |
| Steel Production III | Peak foundry efficiency with maximum steel output and storage capacity | 80 65 ⏱ 230s | Steel Production II |
| Oil Refinement I | Refineries process crude oil more efficiently with greater output and storage | 40 30 ⏱ 75s | Refinery, Research Center |
| Oil Refinement II | Improved refinery efficiency with higher fuel output and storage capacity | 45 55 ⏱ 145s | Oil Refinement I |
| Oil Refinement III | Peak refinery efficiency with maximum fuel output and storage capacity | 65 85 ⏱ 240s | Oil Refinement II |
| Electronics Fabrication I | Electronics fabs operate more efficiently with greater output and storage | 50 40 ⏱ 120s | Electronics Fab, Research Center |
| Electronics Fabrication II | Improved fabrication efficiency with higher electronics output and storage | 65 40 ⏱ 200s | Electronics Fabrication I |
| Electronics Fabrication III | Peak fabrication efficiency with maximum electronics output and storage | 90 55 ⏱ 300s | Electronics Fabrication II |
| Uranium Enrichment I | Reactors begin enriching uranium ore with basic process efficiency | 60 50 ⏱ 150s | Nuclear Enrichment Plant, Research Center |
| Uranium Enrichment II | Improved enrichment process with higher yield and storage capacity | 80 40 ⏱ 240s | Uranium Enrichment I |
| Uranium Enrichment III | Advanced enrichment techniques for maximum uranium output and storage | 110 60 ⏱ 340s | Uranium Enrichment II |