July 10, 2008 - Tag headers changed. Tags were related to the ATCO Noise website, not Higgott-Kane's. Change tested on each page.

May 4, 2007 - Electric Power announcement removed from main page.

May 2, 2007 - Intake & Exhaust Stack feature boxes combined. Retrofit box added to link to pdf of retrofit postcard. New page made to combine Intake & Exhaust Stack sections. Menus under products&services changed to reflect new combined Intake & Exhaust page.

April 30, 2007- Links checked

April 2, 2007 - announcement for Electric Power added to main page

March 31. 2007 - links checked

February 28, 2007 - links checked

February 23, 2007 - Announcement for EUB Directive 038: Noise Control added to index page. Logo changed on all pages.

February 9, 2007 - Exhaust systems page updated. Main read more page updated

January 31, 2007 - links checked

January 22, 2007 - picture of a drawing removed from profile_read_more page

January 8, 2007- links checked

December 20, 2006 - Retrofit link added to products pages and electronic postcard uploaded to website

December 12, 2006 - Changes to title, keywords and description on home page

December 5, 2006 - Latest news announcements for Higgott-Kane Kallpa Project in Peru and ATCO Noise Management update on High Bridge added to main page

December 4, 2006 - Power Gen announcement removed from main page. Original main page reloaded

November 30, 2006- Links checked

November 15, 2006 - Careers table taken off of main page and replaced with Power Gen announcement

October 31, 2006 - Links checked

September 1, 2006 - Careers link to http://www.atcocareers.com added to black top navigation bar

August 23, 2006 - Blurb on OPTI under 'What's New' on main page changed to include the words 'Alberta Oilsands'

August 10, 2006 - keywords and page titles revamped

June 6, 2006 - Links checked

May 25, 2006 - High Bridge press release added to website

March 21, 2006 - link to turbine model page added to all product pages

March 16, 2006 - added exhibiting announcement at Electric Power to main page

March 8, 2006  - updates to "read more" pages

March 1, 2006 - splash page added

February 25, 2006 - "Read more" pages added

January 9, 2006 - Links checked

May 12, 2010 - Updated entire site with new products, new name and HK TM info.