In 2009, OSI began construction of a $20 million eco-friendly corporate headquarters building in Medina, MN.

[3] In 2015 and 2016, OSI made Inc. 5000's list of fastest-growing companies in America after experiencing 73 percent growth, with total revenue of $62.9 million.

[5] OSI maintains many energy software products, including the first productized and modular automation and applications platform based on an IT enterprise applications paradigm; the first Intel-based energy management system based on the Microsoft Windows platform in the 1990s, then the first platform on Linux in the early 2000s; the first totally independent multi-platform automation architecture capable of running on any prominent hardware, operating system, or relational database; the first comprehensive advanced user interface and situational awareness system for transmission, distribution, and generation operators; the first Linux-based secure remote terminal unit; the first advanced intelligent alarming system in the mid-2000s; and the adoption of big data technology and no-SQL database technologies to bring to market the industry's first big data historian.

[citation needed] Today, OSI provides open automation, network management and optimization products worldwide.

It also offers a cloud architecture serving SCADA, EMS, GMS, DMS and other smart-grid products such as demand response, renewables management, volt/VAR control and asset monitoring applications.