Mark Ringo: Email & Phone Number

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Refrigeration Technician at TONY'S AC & REFRIGERATION|Concord, California, United States

Position:

Refrigeration Technician at TONY'S AC & REFRIGERATION

Location:

Concord, California, United States

View Mark Ringo's Email

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Last updated: 2026-06-18

Updated: 2026-06-18

Found email addresses for Mark Ringo:

Business emails:

m****o@intraxinc.com,

m****o@bellatlantic.net,

m********o@intraxinc.com

Personal emails:

m*********o@yahoo.com,

m*******o@yahoo.com

Found phones for Mark Ringo:

+1-520-***-**32,

+1-870-***-**49,

+1-520-***-**30

A different Mark Ringo?

Work Experience 26 years

Refrigeration Technician at TONY'S AC & REFRIGERATION

Jun 2023 - Current

Residential hvac at Hometown-HVAC

Apr 2024 - Jul 2024

QA Engineer at SteppeChange

Jan 2017 - Jun 2024

QA Engineer at Blackbaud

Jan 2009 - Feb 2015

Quality Assurance Engineer at Intrax

Jan 2008 - Feb 2009

QA Engineer at McCann

Jan 2007 - Jan 2008

QA Engineer at McCann

Feb 2007 - Dec 2007

QA Engineer at Threshold Marketing

Feb 2007 - May 2007

QA Engineer at PointRoll, a TEGNA company

Aug 2006 - Jan 2007

QA Engineer at ADP

Jun 2004 - Nov 2004

Senior QA Engineer at Autodesk

Feb 2001 - Feb 2003

QA Engineer at OpenTable

Jan 2000 - Jan 2001

Mark Ringo started working in 2000, then the employee has changed 11 companies and 4 jobs. On average, Mark Ringo works for one company for 2 years.

Their professional focus is Cold Calling, HVAC, and HVAC Engineering across 3 core areas.

Education

City College of San Francisco

Frequently Asked Questions

What is Mark Ringo's email address?

SignalHire found verified email addresses for Mark Ringo, both business and personal. Their business email is m****o@intraxinc.com, and personal emails include m*********o@yahoo.com, and m*******o@yahoo.com.

What is Mark Ringo's phone number?

SignalHire found multiple verified phone numbers for Mark Ringo: +1-520-***-**32, +1-870-***-**49, and +1-520-***-**30.

How do I contact Mark Ringo at TONY'S AC & REFRIGERATION?

You can reach Mark Ringo through SignalHire by unlocking their verified email and direct phone number (free signup, no credit card needed). SignalHire is the fastest route if you need their contact details immediately.

What is Mark Ringo's professional background?

Mark Ringo has 26 years of professional experience. They have held roles including Residential hvac, QA Engineer, and QA Engineer at companies such as Hometown-HVAC, SteppeChange, and Blackbaud. Their education includes City College of San Francisco.

Is Mark Ringo's contact information up to date?

Yes. Mark Ringo's SignalHire profile was last updated on 18 June 2026, reflecting their current position as Refrigeration Technician at TONY'S AC & REFRIGERATION.

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