Welch and Rushe, Inc. has been a distinguished mechanical contractor in Maryland, Virginia, and the District of Columbia sinc ... e 1966. Our company specializes in federal and commercial construction to include military and special projects, Energy Performance Solutions, mechanical installations, commissioning, recommissioning, retrocommissioning,continuous commissioning, and service within domestic and international facilities. We have earned a solid reputation for our mechanical expertise and steadfast dependability. Our commitment to excellence and customer service has contributed directly to our continued success within the industry. Our corporate headquarters is conveniently located just off US 301 in Upper Marlboro, MD, allowing us to provide full support services in a professional and prompt manner to all of our projects located throughout the Washington, DC Metropolitan Area. read more