Alberta's Industrial Heartland (also known as Upgrader Alley or the Heartland) is the largest industrial area in Western Canada and a joint land-use planning and development initiative between five municipalities in the Edmonton Capital Region to attract investment in the chemical, petrochemical, oil, and gas industries to the region.[1][2][non-primary source needed] It is "home to more than 40 petrochemical companies" and is one of Canada's largest petrochemical processing regions."[3] By July 2015 there was $13 billion invested in new industrial projects providing employment for 25,000 in the Alberta's Industrial Heartland.[4]