St Lawrence Industrial Services(SLIS) has been serving clients and employing members of a variety of different unions for over twenty years. In each year of its existence, SLIS has maintained financial success, while continuing to grow organically, serve its client base and maintain a good safety record. With roots in the environmental services industry, SLIS has completed jobs ranging from petroleum systems installation and maintenance to municipal water treatment plant pump installations. Operating in a number of different states for a variety of companies, SLIS has leveraged 20 years of experience to provide both quality work to its clients and gainful employment to its constituent union employees.