21CT, Inc. | 1,482 followers on LinkedIn. Headquartered in Austin since 1999, with an office in Washington, D.C., 21CT rewards the curious: we are innovators and creators of analytics products for anyone who seeks to shed light on the intelligence hidden within their data. We create investigative analytics products for the way users think, look, and find. Our innovative products and services are used to detect and neutralize healthcare fraud, target and eradicate network security attacks, and more.