Triangle Sign Services is America’s leading facility services company specializing in custom signage and lighting design, wit ... h full installation, maintenance, and repair capabilities. Our office headquarters, located in Baltimore, MD, is home to our principal sign manufacturing shop, while our vendor network provides nationwide signage and lighting upgrades, installations, maintenance, service, and repairs. We complete our offerings with routine and on-call signage and exterior building cleanings. Founded in 1931, Triangle has had more than 90-years of experience helping clients build brand image and communicate core values. Triangle proudly supports both local projects and businesses, as well as national rollouts and international branding projects with our custom designs and builds, and through our exemplary maintenance, repair, and service department. Today, Triangle’s custom-tailored, innovative signs and lighting systems can be found in retail settings, corporate complexes, healthcare facilities, sporting and event venues, educational institutions, hospitality accommodations, and more nationwide and beyond. read more