Latest News Trigon is Hiring, View the Open Positions Now! Apr 15, 2008 - CH2M HILL Trigon Vice President Addresses API Conference Feb 13, 2008 - CH2M HILL Trigon completes Phase Three of CBM gathering system Dec 17, 2007 - CH2M HILL Finalizes Acquisition of Colorado-Based Trigon EPC Nov 19, 2007 - Trigon continues engineering for ONEOK Piceance Basin Lateral Jul 19, 2007 - Trigon completes 6,400 foot underground pipeline pull for PG&E's line 57C Jul 13, 2007 - Trigon continues Enterprise/TEPPCO Wyoming expansions Jul 13, 2007 - Trigon named 4th fastest growing large private firm in Denver area Jun 20, 2007 - Rancher Energy selects Trigon for Wyoming CO2 Pipeline TRIGON COMMUNITY SUPPORT - CASA, Denver Museum of Nature and Science... Email Us  ::  ©2008 CH2M Hill Trigon EPC - All Rights Reserved.  ::  Web Design: Lighthouse