Dynalec Corporation www.dynalec.com
It provides sound powered telephone communication equipment, such as shipboard systems, announcing systems, communication terminals, conferencing systems, entertainment systems, ETC products, handset and headset, microphones, IC switchboard, indication and alarm panels, intercom systems, loudspeakers, and navigation systems.
Siemens Bangladesh Limited (SBL) www.siemens.com.bd
Siemens Bangladesh began in 1956, and since then it has been nvolved in a number of Bangladesh's major modernization efforts. It specializes in healthcare, energy, industry, infrastructure and cities, automation and drives, and industry solutions and services.