Singapore

• Rotary Electrical Company (Private) Ltd
• Rotary IMC Pte Ltd
• Rotary Pharma Pte Ltd
• Rotary Services Pte Ltd
• Rotary TREL Pte Ltd
• Rotary Mechanical & Construction Co. Pte Ltd
• Rotary-Thai Construction Pte Ltd
• Rotary-Thai Pharma Pte Ltd
• Rotary Automation Pte Ltd
• Rotary Kellogg Brown & Root Pte Ltd
• EnRis Pte Ltd
• Eastlog Holding Pte Ltd
• Jasinusa Automobile Pte Ltd
• Innovative Biotech Pte Ltd
• IMC Heavy Equipment Pte Ltd
• IMC Equipment Pte Ltd
• Powell Industries Asia
• Perlite Services Pte Ltd
• Pipe Rack Holding Co. Pte Ltd
• RKB Engineering Co. Pte Ltd
• RSK Engineering Pte Ltd
• Supermec Pte Ltd
• Sixty-six Switchgears Co Pte Ltd
• Tiong Woon China Consortium Pte Ltd

Malaysia

• Rotary MEC (M) Sdn Bhd
• Perlite Products (Malaysia) Sdn Bhd

Indonesia

• P.T. Rotary Engineering Indonesia