Controllers is a brand specializing in industrial automation and control systems, typically associated with products like PLCs (Programmable Logic Controllers), HMIs (Human-Machine Interfaces), and other control devices. The brand is often linked to companies such as Allen-Bradley (a Rockwell Automation brand, based in the USA) or Siemens (a German multinational). These products are widely used in manufacturing, energy, and process industries to automate machinery and optimize operations. Controllers play a critical role in ensuring precision, efficiency, and reliability in industrial environments.