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
514

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  • United States Of America
    512
  • Jamaica
    1
  • Canada
    1

Africa
1

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  • Zambia
    1

Asia
1

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  • Viet Nam
    1

Europe
1

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  • United Kingdom Of Great Britain And Northern Ireland
    1

Garratt-Callahan Company's Leadership

  • Chief Financial Officer at Garratt-Callahan Company
    M. C.
    Chief Financial Officer
  • Owner at Garratt-Callahan Company
    D. W.
    Owner
  • Owner at Garratt-Callahan Company
    J. R.
    Owner
  • Vice President at Garratt-Callahan Company
    D. H.
    Vice President
  • Southern & Central California District Manager • Water Quality Expert at Garratt-Callahan Company
    N. F.
    Southern & Central California District Manager • Water Quality Expert
  • Sw Regional Sales Manager at Garratt-Callahan Company
    M. R. G.
    Sw Regional Sales Manager
  • Business Development Manager, Data Center Technical Manager at Garratt-Callahan Company
    C. B.
    Business Development Manager, Data Center Technical Manager
  • Marketing Manager at Garratt-Callahan Company
    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
  • Territory Manager at Garratt-Callahan Company
    C. H.
    Territory Manager
    Bay
    Sep 16, 2026
  • Territory Manager at Garratt-Callahan Company
    P. P.
    Territory Manager
    Bay
    Mar 25, 2026
  • Territory Manager/Sales & Applications Engineering at Garratt-Callahan Company
    S. R.
    Territory Manager/Sales & Applications Engineering
    Oct 16, 2026
  • Territory Manager at Garratt-Callahan Company
    B. S.
    Territory Manager
    Sep 12, 2026
  • Territory Manager at Garratt-Callahan Company
    M. R.
    Territory Manager
    Apr 17, 2026
  • Senior Project Manager at Garratt-Callahan Company
    G. I.
    Senior Project Manager
    Sep 12, 2026
  • Construction Operations Manager at Garratt-Callahan Company
    D. O.
    Construction Operations Manager
    Jun 24, 2026
  • District Manager at Garratt-Callahan Company
    S. S.
    District Manager
    Jul 28, 2026
  • Territory Manager at Garratt-Callahan Company
    D. T.
    Territory Manager
    Sep 13, 2026
  • Territory Manager at Garratt-Callahan Company
    D. W.
    Territory Manager
    Sep 17, 2026

Frequently Asked Questions

What is Garratt-Callahan Company known for?

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Garratt-Callahan Company was founded in 1904 and operates in the Chemical Manufacturing industry. You can contact Garratt-Callahan Company's 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?

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Garratt-Callahan Company employees' email format typically follows the pattern of FLast@g-c.com. 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?

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Garratt-Callahan Company has approximately 469 employees as of October 2026. These team members are located across 4 continents, including North America, Africa and Asia.

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

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

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

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