Games like Realindustry
Games like Realindustry include Automation - The Car Company Tycoon Game, Satisfactory, Captain of Industry, Kerbal Space Program, and Factorio. We matched them by the tags players give Realindustry on Steam (Simulation, Realistic, Science, Automation, and Crafting): closest matches first, and among equally close ones the better-known games.

Automation - The Car Company Tycoon Game
Shared: Simulation · Realistic · Crafting

Satisfactory
Shared: Automation · Crafting · Resource Management

Captain of Industry
Shared: Simulation · Automation · Resource Management

Kerbal Space Program
Shared: Simulation · Science · Indie

Factorio
Shared: Automation · Crafting · Resource Management

Dyson Sphere Program
Shared: Automation · Simulation · Resource Management

This War of Mine
Shared: Simulation · Crafting · Resource Management

Oxygen Not Included
Shared: Simulation · Colony Sim · Resource Management

Drug Dealer Simulator
Shared: Simulation · Indie · Crafting

Stationeers
Shared: Automation · Crafting · Colony Sim

Sixty Four
Shared: Simulation · Incremental · Automation

Autonauts
Shared: Simulation · Automation · Indie

RimWorld
Shared: Simulation · Colony Sim · Story Rich

Universe Sandbox
Shared: Simulation · Realistic · Science

Steam Engine Simulator
Shared: Simulation · Realistic · Education

911 Operator
Shared: Simulation · Realistic · Indie

Banished
Shared: Simulation · Colony Sim · Indie

Cities: Skylines
Shared: Simulation · Realistic · Resource Management

Techtonica
Shared: Simulation · Automation · Crafting

Totally Accurate Battle Simulator
Shared: Simulation · Realistic · Indie

Schedule I
Shared: Simulation · Crafting · Automation

Car Mechanic Simulator 2018
Shared: Simulation · Realistic · Crafting

Liftoff®: FPV Drone Racing
Shared: Simulation · Realistic · Indie

Kingdoms and Castles
Shared: Simulation · Resource Management · Colony Sim