The first SRI factory (Shelter Home Systems), located in Estevan, SK began building homes in 1978. In 1985, the second SRI factory (Regent Home Systems), in Lethbridge, AB was acquired. Rounding out the Western Canadian factories (Winfield Home Systems), the Kelowna factory began producing homes in 1992. To date, over 30,000 homes have been built between the three factories. more... See more text