the following companies Founded in 1972 :
- SELTA S.p.A
- AJ Charnaud Company (Pty) Ltd
- Orep Perimeter Intrusion Detection Systems in France
- hochiki fire alarm in United state
- Saudi Cable Company in Saudi Arabia
- Apollo Tyres Limited in India
- Model Engineering Consultants in United Arab Emirates (UAE)
- Cherian Varkey Construction Company pvt ltd in India
- ESA JURUTERA PERUNDING SDN. BHD. in Malaysia
- SCO Qatar Consulting Engineers in Qatar
- Almabani General Contractors in Saudi Arabia
- Saudi Constructioneers Ltd (SAUDICO) in Saudi Arabia
- Galfar Engineering & Contracting SAOG in Oman
- EHAF Consulting Engineers in United Arab Emirates (UAE).
- Morgan Omonitan & Abe Ltd ( MO&A ) in Nigeria
- ADCO Constructions in Australia