Subsidiaries

Black & McDonald subsidiaries include:

  • National (2005), providing multi-trade construction, maintenance and shutdown services to oil & gas and petrochemical clients in the Province of Quebec.
     
  • CLS, a leader in providing design, construction and maintenance of outdoor lighting infrastructure in the United States, since 1997.
  • Land & Sea Instrumentation Limited, is one of Atlantic Canada's premier instrumentation service providers with ISO accreditation for both land based and offshore industries.