Expertise in Action. Information technology. Logistics and supply chain management. Healthcare management. Financial management. If you require more flexibility and efficiency in these critical areas, TACG delivers expertise quickly, reliably, and on target. Logistics and Operations Services Information Technology Services Financial Management Services Healthcare Management Services We consider client and staff retention one of the clearest indicators of our success. Consider a few of the reasons many government departments and agencies turn to TACG again and again for both tactical and strategic support.