According to sources, more than 400 employees of the ATCO Group were relieved of their duties on Wednesday.

The ATCO Group is the latest organization to reduce its staff. In Alberta this year, more than 18,000 people have lost their jobs in group layoffs.

"ATCO is responding to the extremely challenging economic times," said Carson Ackroyd, ATCO Group vice president of marketing and communitcations. "We wish to thank all of the people of ATCO, past and present, for their tremendous contributions to our company."

Representatives of the ATCO Group would not confirm the number of employees impacted by the decision.