industry-specific vocational skills and certification renewal training, Minnesota, North Dakota The Laborers Training Center LTC provides construction industry vocational training through a full range of classes and apprenticeship programs at its Lino Lakes Minnesota facility. The LTC offers continuing education programs for its 9500 participating union members who need to maintain their certifications develop their skills and stay abreast of new trends and technologies. The LTC strives to ensure safety and productivity among construction laborers through curricular offerings that cover every aspect of construction laborer training. The LTC which began offering continuing education programs in 1989 is operated by the nonprofit Construction Laborers Training Fund.