Complex sentence: InterWorking Labs is a private company founded in 1993 by Chris Wellens and Marshall Rose that designs and manufactures computer equipment for network testing, network emulation, and network optimization for developers, IT managers, and test engineers.
Split into simpler sentences: InterWorking Labs is a private company founded in 1993 by Chris Wellens and Marshall Rose that designs and manufactures equipment for testing computer networks. Its services and products include network testing, network emulation, and network optimization for developers, IT managers, and test engineers.