July 2019: Why Cities Are the Frontline Defence Against Climate Change  - The environmental benefits of keyhole technology

January 2016: Dig Differently Magazine  - Refusing to Cut Corners - Ontario Hydroexcavation Contractor Rids Self of Traditional Pavement Cutters
Fall 2015: Ontario Road Builder Magazine  - Keyhole Coring & Reinstatement Helping Extend Pavement Life
July 2015: Utility Contractor Magazine  - A Quick (and efficient) Fix: Keyhole Coring allows vacuum excavation crews to get in and out with minimal disruption
September 2014: Canadian Underground Infrastructure Magazine  - Stop Cutting Corners: Keyhole Technology, a core strategy for effective and environmentally-friendly utility cuts and repairs
October 2013: Canadian Business Journal - Utilicor Technologies Overview
July 2013: Damage Prevention Professional -The Key(hole) to Damage Prevention
May 2013: American Gas Association Conference Presentation - National Grid Core Strategy Saves Millions Per Year with Keyhole Technology
September 2011: APWA Reporter Agents of Change - How keyhole technology became a standard in the Valley of the Sun
September 2011: Business Weekly, Northern Nevada - Keyhole Technology Spurs Gas Project at Lake Tahoe
February 2011: American Gas Magazine - Working smarter with keyhole technology
February 2010: Underground Construction - Coring 101 - The basics of running a
reliable keyhole program
June 2010: Journal of Town and City Management -
A core strategy for effective and environmentally friendly utility cuts and repairs
April 2008: Gas Technology Institute Newsletter -
City of Toronto Introduces Comprehensive Keyhole Standards
April 2007: Underground Construction Magazine - Seeing is Believing:
The Case for Potholing
July 2006: Trenchless Technology - Keyhole Technology Paves
the Way for Underground Repairs
July 2005: Trenchless Technology - Keyhole Technology: After 40 years,
An Overnight Success
May 2005: The Globe and Mail - The Key to Painless Repairs for
Toronto's City Streets
February 2005: Pipeline Gas Journal - Innovative Keyhole Technology
Adds Savings to Atmos Energy's Business
September 2004: Trenchless Technology - Gas Contractor Robert B Somerville
Gets to the Core of the Matter with New Keyhole Technology
April 2004: Article - Pipeline and Gas Journal - Keyhole Coring Technology
Cost Saving Solution For Underground Main Repairs
December 2003: Underground Focus - Core Patch is Stronger than
Surrounding Pavement
December 2002: Pipeline & Gas Journal - Enbridge Gas Distribution
Introduces New Technology for Improved Pavement Repairs with Keyhole Technology