Orders: 

liquidorders@gmcocorp.com

granularorders@gmcocorp.com

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Washington/Idaho Orders: 

PNWorders@gmcocorp.com

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Gary Standard - Eastern Slope Colorado Operations

cell: (720) 207-7630 email: gstandard@gmcocorp.com

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Duston Harris - Regional Dispatcher, Liquids

cell: 970-618-0781 email: dharris@gmcocorp.com

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Justin Moore - Regional Dispatcher, Salt

cell: (970) 618-2789  email: jmoore@gmcocorp.com

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Mark Entz - Southeast Colorado Operations

cell: (303) 489-9443   email: mentz@gmcocorp.com

Bruce Juelfs - Vice President, Sales and Marketing

cell: (970) 541-8834  email: bjuelfs@gmcocorp.com

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Andree Braun - Government Sales Manager

cell: (303) 359-6653  email: abraun@gmcocorp.com

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Sheilah Juelfs - Contract Administrator

cell: (970) 420-6382  email: sjuelfs@gmcocorp.com  

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TERRITORY ACCOUNT REPRESENTATIVES

COLORADO 

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Zach Loucks - Eastern Commercial Accounts

cell: (720) 762-3754 email: zloucks@gmcocorp.com

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Bill Langren - Eastern Government Accounts

cell: (303) 652-7045 

email: blandgren@gmcocorp.com

Hugo Walters - Western Colorado

cell: (970) 250-2907 

email: hwalters@gmcocorp.com

Joe Thorell 

cell:(308) 991-2410 email: jthorell@gmcocorp.com

TEXAS

EnviroTx 

phone: (512) 779-4055 website: https://envirotx.com/

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Marty Buell -  Eastern Washington and Idaho

cell: (509) 309-6582 email: mbuell@gmcocorp.com

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David Husted -  Western and Central Washington

cell: (509) 406-6846 email: dhusted@gmcocorp.com

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