Garratt-Callahan Company Employee Directory

Chemical ManufacturingCalifornia, United States201-500 Employees

Garratt-Callahan is one of the leading providers of industrial water treatment. Offering comprehensive water treatment solutions and expert consulting services backed by over 120 years of experience, we optimize system performance to extend equipment life, reduce health and safety risks, and minimize operating costs.

We are guided by our responsibility to provide customers with unparalleled service and effective, dependable water treatment solutions. Garratt-Callahan takes a proactive, scientific approach to prevent problems before they occur — so our customers can spend more time running their businesses and less time fixing them.

Headquartered in California and operating nationally across Texas, Illinois, Georgia, and New Jersey, we treat every customer's facility with the same care and conscientiousness we would our own. We utilize the latest proven technology and offer a full range of chemical and equipment solutions, developed in our certified laboratory that complies with State and Federal EPA standards. Our water treatment products are also certified in compliance with ISO 9001:2015 by NSF-ISR.

Our water treatment services include: 
—Boiler Water Treatment
—Cooling Water Treatment
—Wastewater Solutions
—Water Management Plans 
—Legionella Mitigation
—Secondary Disinfection
—Water Treatment Training

ASSE/IAPMO/ANSI 12080 Water Safety Certification
Water safety remains critical, and our team is trained and certified in implementing ASHRAE 188-2018 to minimize the risk of Legionellosis. A growing number of our field technicians hold certification under the ASSE 12080 program.

Find Garratt-Callahan Company employees' phone numbers or email addresses

Garratt-Callahan Company Global Highlights

Location
Employees

North America
481

Minus sign iconPlus sign icon
  • United States Of America
    480
  • Canada
    1

Africa
1

Minus sign iconPlus sign icon
  • Zambia
    1

Asia
1

Minus sign iconPlus sign icon
  • Viet Nam
    1

Europe
1

Minus sign iconPlus sign icon
  • United Kingdom Of Great Britain And Northern Ireland
    1

Garratt-Callahan Company's Leadership

  • Stylized image of a person
    A. R. C.
    Ceo Callahan Corp
    Phone icon
  • Stylized image of a person
    C. C.
    Ceo
    Phone icon
  • Stylized image of a person
    M. C.
    Chief Financial Officer
    Phone icon
  • Stylized image of a person
    J. G.
    President
    Phone icon
  • Stylized image of a person
    J. C.
    President
    Phone icon
  • Stylized image of a person
    W. C.
    Founder & Principal
    Phone icon
  • Stylized image of a person
    D. W.
    Owner
    Phone icon
  • Stylized image of a person
    V. R.
    Vice President-National Sales Manager
    Phone icon

Garratt-Callahan Company Employee Metrics

100%
50%
0%
2026
2025
  • Supply Chain
  • Administrative
  • Community & Social Services
  • Program & Project Management
  • Business Development
  • Other

Contact profiles from Garratt-Callahan Company

Name
Title
Contact Info
Location
Last Update
  • Stylized image of a person
    J. G.
    President
    Phone icon
    Bay
    Mar 18, 2026
  • Stylized image of a person
    W. C.
    Founder & Principal
    Phone icon
    United StatesMontana
    Oct 18, 2025
  • Stylized image of a person
    A. R. C.
    Ceo Callahan Corp
    Phone icon
    United StatesMissouri
    Jan 14, 2026
  • Stylized image of a person
    J. C.
    President
    Phone icon
    United StatesMissouri
    Feb 18, 2026
  • Stylized image of a person
    C. C.
    Ceo
    Phone icon
    United StatesMaine
    Oct 23, 2024
  • Stylized image of a person
    D. W.
    Owner
    Phone icon
    Oct 16, 2024
  • Stylized image of a person
    M. C.
    Chief Financial Officer
    Phone icon
    Dec 10, 2025
  • Stylized image of a person
    V. R.
    Vice President-National Sales Manager
    Phone icon
    United States
    Mar 11, 2026
  • Stylized image of a person
    D. H.
    Vice President
    Phone icon
    Oct 16, 2024
  • Stylized image of a person
    M. D.
    Director Water Safety Group
    Phone icon
    United StatesMississippi
    Jan 02, 2026

Frequently Asked Questions

What is Garratt-Callahan Company known for?

Minus sign iconPlus sign icon
Garratt-Callahan Company was founded in 1904 operates in the Chemical Manufacturing industry. The company's main headquarters is located in 50 Ingold Road Burlingame, California 94010 United States; you can contact the main corporate office by phone at . Explore Garratt-Callahan Company's company overview page for more information.

What is Garratt-Callahan Company's most common email format?

Minus sign iconPlus sign icon
Garratt-Callahan Company employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more Garratt-Callahan Company email formats with LeadIQ.

How many employees does Garratt-Callahan Company have currently?

Minus sign iconPlus sign icon
Garratt-Callahan Company has approximately 440 employees as of March 2026. These team members are located across 4 continents, including North AmericaAfricaAsia.

Who are Garratt-Callahan Company's key employees and leadership?

Minus sign iconPlus sign icon

As of March 2026, Garratt-Callahan Company's key employees include:

  • Ceo Callahan Corp: A. R. C.
  • Ceo: C. C.
  • Chief Financial Officer: M. C.
  • President: J. G.
  • President: J. C.

Looking for contact data? Unlock accurate emails and phone numbers for your ideal prospects with LeadIQ.

Ready to create more pipeline?

Get a demo and discover why thousands of SDR and Sales teams trust
LeadIQ to help them build pipeline confidently.

© LeadIQ, Inc. All rights reserved.