» 1990
Samuel D. Southern, who founded ATCO's initial business and continued to make a valuable contribution to the company throughout his life, passed away.

The Canadian oilfield equipment division and the United States well servicing operations were sold.

» 1991
ATCO supplied a 3000 person camp for the construction of the Hibernia oil project platform.

In the United Kingdom, Canadian Utilities (CU) completed the financing arrangements of the Barking Power Project in east London. CU was responsible for construction supervision, employee training, plant commissioning and management.

» 1992
ATCOR Resources acquired the shares of Altex Resources Ltd., a Calgary based exploration and development company.

Distribution of 50% of the shares of ATCOR Resources to Canadian Utilities' shareholders helped to contribute to increased shareholder values.

» 1993
Shares of Akita Drilling Ltd. (formerly ATCO Drilling) were distributed to ATCO shareholders with the purpose of increasing shareholder values.

ATCO Enterprises plant in Budapest, Hungary officially opened to supply workforce housing to Eastern European markets.

» 1994
ATCO sold the space rental assets of ATCO Enterprises Inc. to GE Capital Modular Space for $104 million.

CU Gas purchased natural gas gathering and processing assets from Norcen Energy Resources Limited.

» 1995
The highlight of the year was the commissioning of the 1000 MW Barking Power Station in east London.

ATCO's investment in ATCOR Resources was sold to Forest Oil Corporation for $84.5 million.

» 1996
The Australian subsidiary of CU Power International (CUPIL) commenced construction of a 180 MW cogeneration plant in Adelaide, Australia.

ATCO Structures provided the housing for the NATO forces in Bosnia and Croatia and received additional orders for accommodation of mining workers in Chile.

» 1997
CUPIL received approval to pursue the construction of a 240 MW, $200 million power plant in Port Alberni, B.C.

ATCO Structures more than doubled its fleet utilization rate over the year and added new manufacturing facilities in order to provide product for orders received.

» 1998
Reorganization within the ATCO Group of Companies included the merger and restructuring of Canadian Western Natural Gas and Northwestern Utilities into two new entities: ATCO Gas and ATCO Pipelines. Three new ventures in energy marketing and services emerged: ATCO Singlepoint, ATCO Energy and ATCO I-Tek.

ATCO Power commissioned the 180 megawatt Osborne cogeneration plant in South Australia.

ATCO Structures returned to the Australian marketplace with the acquisition of a modular manufacturing and leasing company.

» 1999
On April 26th the ATCO Group announced its branding initiative - the adoption of the ATCO brand by all principal operating subsidiaries. A multimedia advertising campaign accompanied the launch of the new company names and logos.