Please note: This is a Sole Source Notification. Sole source procurement is appropriate when goods or services are only available from a single vendor; when the most important consideration is the standardization or compatibility of equipment, materials, technology, software accessories, replacement parts, or service; where transitional costs are unreasonable or cost prohibitive; or if it otherwise qualifies under County Ordinance 3.20.030. VirTra has been developing and producing a proprietary simulation system and software using multiple screens and video for small arms and use of force training since 2001. VirTra is the only manufacturer of firearms simulation equipment and proprietary software, to incorporate real and interactive video, seamlessly displayed and fully interactive, across all screens of the simulator at the same time or in series of events, that trigger others to occur on different screens. In addition, VirTra invented the Treat Fire Device and is the only manufacturer of this equipment throughout the world.