Great software firms in Bangladesh

Name some great software firms in Bangladesh with great company culture.

Top Bangladeshi Software Companies:

DataSoft {110–140}
TigerIT {230–250} [Java]
Kaz Software {50–60} [.Net, Java, PHP, AngularJS, React]
IBCS-Primax
LeadSoft
MagnitoDigital
BrainStation-23 {180–200} [Android, IOS, React, Xamarin, .Net, PHP, Python, Java]
SouthTech {150–170} [.Net, Java Spring, Android, AngularJS, Visual Basic]
Pathao Ltd {350–400} [Android]
Streams Tech Inc. {20–30} [ArcGIS-ESRI, AngularJS, .Net, SQL, MongoDB]
Top Multinational Software Companies:

Therap (USA) {60–80} [Java, J2EE, Android, IOS]
Samsung R&D (Korea) {350–400} [IOS, Android, Tizen, C/C++, Swift, Machine Learning]
Widespace (Sweden) [Java]
Vantage Labs (USA) [Java, PHP, AngularJS]
REVE Systems (Singapore) [Java]
Vizrt (Norway) [.Net, Java]
Selise (Switzerland) {50–80} [Android, IOS, AngularJS, NodeJS, Python, .Net]
Cefalo (Norway) [Android, .Net, Python, Rails, IOS]
Newscred (USA) [Python, NodeJS, Angular2, Scala, MongoDB]
MonstarLab (Japan) {40–50} [Java Spring, Laravel, Symfony, AngularJS, Amazon Web Services]
Escenic (Norway)
BJIT {250–300} (Japan) [Android, IOS, Firefox OS]
Some other companies having IT section:

Grameenphone IT
bits [Java]
bkash {130–160} [Android, JavaScript, Java EE, JSP, Servlet]