GoMage
GoMage specializes in Magento development only. Over 10+ years of history they have completed more than 1,000 Magento projects and developed dozens of premium Magento extensions that are installed on more than 30,000 Magento stores around the world.
Planatech Solutions
Founded in 1996, Planatech Solutions is a privately owned company, specializing in cross-language & cross-platform interfaces. Based on nearly 20 years experience in the Financial Markets, Planatech has produced both commercial and bespoke software. The company's most successful commercial product, XLL Plus, first went to market in 1998, and simplifies the process of converting complex mathematical models written in C/C++ to instantly usable add-in functions in Excel. Clients include investment banks, hedge funds, energy industries, universities.
Vlasov Studio
Vlasov Studio helps Windows software developers write new code faster and understand existing code better. Their products solve critical programming problems and seamlessly integrate into Visual Studio.