Garratt-Callahan Company logo

Garratt-Callahan Company Employee Directory

Chemical ManufacturingCalifornia, United States201-500 Employees

Garratt-Callahan Company is a chemical manufacturer and national provider of industrial water treatment solutions, leveraging more than a century of experience to optimize system performance, extend equipment life, and reduce operating costs for its clients. Its range includes boiler and cooling water treatment, wastewater solutions, water management planning, Legionella mitigation, secondary disinfection, and water treatment training, all supported by a certified laboratory that adheres to EPA standards and ISO 9001:2015 certification. Headquartered in California, the company serves facilities across multiple states, offering comprehensive consulting and technical services to help customers prevent problems before they arise. The organization emphasizes safety and reliability, with field technicians certified in water safety programs and a proactive approach to managing water-related risks. A notable recent development includes collaborative efforts on wastewater treatment technologies, reflecting ongoing innovation within its practice.

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
    M. C.
    Chief Financial Officer
  • Stylized image of a person
    J. G.
    President
  • Stylized image of a person
    D. W.
    Owner
  • Stylized image of a person
    D. H.
    Vice President
  • Stylized image of a person
    N. F.
    Southern & Central California District Manager • Water Quality Expert
  • Stylized image of a person
    M. R. G.
    Sw Regional Sales Manager
  • Stylized image of a person
    C. B.
    Business Development Manager, Data Center Technical Manager
  • Stylized image of a person
    M. C.
    Marketing Manager

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
Location
Last Update
  • Stylized image of a person
    J. G.
    President
    Bay
    Jun 29, 2026
  • Stylized image of a person
    D. W.
    Owner
    Oct 16, 2024
  • Stylized image of a person
    M. C.
    Chief Financial Officer
    Sep 18, 2024
  • Stylized image of a person
    D. H.
    Vice President
    Oct 16, 2024
  • Stylized image of a person
    N. F.
    Southern & Central California District Manager • Water Quality Expert
    Dec 29, 2025
  • Stylized image of a person
    M. R. G.
    Sw Regional Sales Manager
    Jul 06, 2026
  • Stylized image of a person
    C. B.
    Business Development Manager, Data Center Technical Manager
    Jul 16, 2026
  • Stylized image of a person
    M. C.
    Marketing Manager
    Bay
    Apr 15, 2026
  • Stylized image of a person
    A. S.
    Territory Manager
    Jun 27, 2026
  • Stylized image of a person
    C. H.
    Territory Manager
    Bay
    Jul 16, 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; 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 451 employees as of July 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 July 2026, Garratt-Callahan Company's key employees include:

  • Chief Financial Officer: M. C.
  • President: J. G.
  • Owner: D. W.
  • Vice President: D. H.
  • Southern & Central California District Manager • Water Quality Expert: N. F.

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.