Garratt-callahan Company

Doing business as Garratt Callahan CO

Claim this page

Their homepage, crawled JUL 31, 2026

At a glance

EmployeesNot reported

In business sinceNot reported

Industry

All Other Miscellaneous Chemical Product and Preparation Manufacturing

HeadquartersBurlingame, CA

US patents2

SAM.gov UEISA6AP4DNLGG6

CAGE code56733

Incorporated inCA

• boilers
• cooling
• reverse osmosis
• water safety
• commercial properties
• data centers
• food
• beverage
• government
• healthcare
• chemical

Open positions

Openings read from Garratt-callahan Company’s own job board on ADP, last checked NOV 10, 2026. FactoryRegistry does not host applications — each title opens the posting where the company published it.

• Field Engineer for Water Treatment at Data Centers
  Amarillo Texas, Amarillo, TX, US · posted NOV 6, 2026
• Water Treatment Construction Technician for Data Centers
  Kansas City, Kansas City, MO, US · posted NOV 4, 2026
• Water Treatment Construction Technician at Data Centers
  Omaha Nebraska, Omaha, NE, US · posted NOV 4, 2026
• Water Treatment Construction Technician for Data Centers
  Charleston South Carolina, Charleston, SC, US · posted NOV 3, 2026
• Water Treatment Chemical Service Technician
  Cincinnati Ohio, Cincinnati, OH, US · posted NOV 3, 2026
• Water Treatment Technical Sales
  Dayton Ohio, Dayton, OH, US · posted NOV 2, 2026
• Technical Sales Water Treatment
  Columbus, Ohio, Columbus, OH, US · posted NOV 2, 2026
• Water Treatment Construction Technician for Data Centers
  Abilene Texas, Abilene, TX, US · posted OCT 31, 2026
• Assistant Marketing Manager
  Garratt-callahan Company · Burlingame Corporate, Burlingame, CA, US · posted OCT 24, 2026
• Water Treatment Chemical Site Coordinator at a Data Center
  Clarksville Tennessee, Clarksville, TN, US · posted OCT 16, 2026

28 more on the company’s board

Supplier designations

Self-certified by the company in its SAM.gov registration

Facility	City	State	Employees	Status
Garratt-callahan Company	Burlingame	CA	—	● ACTIVE
Garratt Callahan	Dallas	TX	—	◐ LIKELY ACTIVE

Compiled from federal records — EPA, OSHA, SAM.gov and the U.S. Census — and from the company’s own website. Federal source data is public domain. Each plant’s page names the source of every field.