- Site Energy Services was formed in March 2010 through the acquisition of the Tri City Contracting group of companies and Timberline Industries. These companies brought significant infrastructure, utilities and civil capabilities and positioned Site Energy Services in the heart of in-situ oil projects in Alberta.
- In September 2010, Site Energy Services expanded into the Canadian Bakken by opening up a facility along with professional management in Weyburn, Saskatchewan.
- In October 2010, Site Energy Services expanded further north in Alberta's heavy oil heartland by opening up a facility with professional management in Conklin, Alberta.
- Simultaneously in October 2010, Site Energy Services asserted its presence in the Canadian Bakken via the acquisition of Greg Cousins Construction and Pac Rentals located in Carnduff, Saskatchewan and Melita and Sinclair, Manitoba.
- In December 2010, Site Energy Services diversified its services offering into remote access, land clearing, and environmental services through the acquisition of Bear Slashing, the largest provider of slashing and mulching services in Western Canada with very strong relationships in the oil sands.
- In January 2011, Site Energy Services strengthened its position in the Canadian Bakken via the acquisition of George Foord's Construction based out of Estevan, Saskatchewan.
- In July 2011, Site Energy Services established its base for the next wave of SAGD projects around Fort McMurray, Alberta by acquiring Demers Contracting, a long standing Fort McMurray company.
- In October 2011, Site Energy Services expanded its remote access capabilities by acquiring HCL National, the third longest mulching services provider in Western Canada and a familiar management team to Bear Slashing.
- In June 2012, Site Energy Services expanded further North into the Athabasca oil sands Region by opening up a facility along with professional management in Wabasca, Alberta to service its clients' next wave of exploration and production expenditures.
