DoD contractor ITM4G opens in Havre de Grace Havre de GraceDoD contractor ITM4G opens in Havre de Grace ITM4G, Inspection Testing & Maintenance 4 Government, opened their Maryland office in Havre de Grace at 1101 Revolution Street, at 2 p.m., Fri., May 31, with a ribbon cutting. The verified Service-Disabled Veteran-owned small business provides high-quality and cost-effective fire protection, facilities management, engineering, construction, O&M, installation, testing, and maintenance services to meet customer needs to all branches of the military and a variety of federal government entities.