John Martin

John E. Martin is a professional management consultant and founder of JEM Associates. He has more than 45 years in the PVF, oil and gas, plumbing, mechanical, HVAC, waterworks and fire protection industries. He has worked with industrial piping contractors, wholesale distributors and pipe fabricators. John can be reached at jemassociates1944@gmail.com, 303-551-7142.

Martin's Corner

Denver’s Marshall-Rodeno Associated Gives Back

It’s about more than plumbing, mechanical, energy and PVF at this stocking manufacturers’ representative firm.

August 8, 2019

John Martin

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As you read this human-interest story, you will quickly note the passion that the leadership of Marshall-Rodeno Associated (MRA) and the people who work there have and have had for many years.

Martin's Corner

50 Years in My Rearview Mirror

Reminiscing about the industry I love.

April 2, 2019

John Martin

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I’m celebrating 50 years of being employed by and continually involved with Grinnell and the markets it has served.

Martin's Corner

Celebrating an Industry Icon

Honoring a personal friend — and one of the pipe fabrication industry.

January 7, 2019

John Martin

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I have a wonderful and true story I want to share with you about a man and his seven siblings in the Atoka, Okla., area who survived after losing both parents in the 1930s.