The Matthews Group, Inc. t/a TMG Construction Corporation (TMG) is a general contractor and design-builder. Incorporated in 1992, TMG performs work primarily in secure and occupied campus environments, such as federal government facilities, data centers, military bases, airports, schools and universities, and other public sites. Our projects have involved millions of square feet of new construction and renovations in diverse project types including new buildings, additions, interior fit-outs, exterior modifications and repairs, critical infrastructure and utilities upgrades, indoor and outdoor recreational facilities, site and civil upgrades, stormwater management, and environmental remediation.