A&L Line Construction (A&L) is an electrical contractor based in Sudbury, Ontario. It specializes in high/medium voltage work, including transmission lines, distribution systems, and substations. A&L is very well-equipped for both on and off-road construction. History: A&L Line Construction (A&L) has been providing high voltage services since 1977. During this time, it has grown to become one of Ontario's leaders in the design, construction, and maintenance of transmission lines, substations, and distribution systems.A&L has earned a reputation for delivering top ...