In the spring of 2019, Newcastle was selected as one of the select vendors for the Sourcewell cooperative purchasing organisation. Sourcewell has 65,000 members throughout all 50 US states, territories, and in Canada. Members are government, education, and nonprofit organizations.

Newcastle offers Sourcewell members: VoIP telephone systems; Unified Messaging (UM); Contact and Call Centers; Speech Recognition; IVR Applications; Call Recording; Facial Recognition; Network Software Applications; Fault Tolerant Servers; and Fax Server.