What Garratt-Callahan does

Garratt-Callahan is a privately held industrial water treatment company headquartered in Burlingame, California, founded in 1904. The firm provides water treatment solutions for industrial and commercial applications, with a stated focus on water chemistry management, boiler treatment, cooling tower treatment, and wastewater solutions. Its 120+ year operating history positions it as one of the longer-established specialty water-treatment providers in the United States, serving customers across industrial and commercial end markets where treated water is essential to process integrity and regulatory compliance. The company employs between 251 and 500 people, consistent with a mid-sized specialty chemicals and services operator with field service, technical, and account management functions.

The firm's business model centers on recurring water-treatment programs — chemical dosing, monitoring, and service — sold to industrial and commercial customers; however, the source data does not disclose pricing models, contract structures, revenue mix, or customer segment economics. Go-to-market signals include digital B2B marketing investments spanning Google Analytics/Google Ads, LinkedIn advertising, HubSpot marketing automation, Hotjar user-experience analytics, and Microsoft/Bing advertising — indicating a modernized demand-generation stack layered onto a traditional field-service sales motion. The company's product portfolio is described as a single "Water Treatment Solutions" line covering boiler, cooling, and wastewater applications, with no disclosed proprietary technology platforms, integrations, APIs, or AI/ML components in the source material.

The available data is structurally thin: there are no disclosed funding rounds, M&A transactions, leadership changes, certifications, named customer logos, geographic footprint detail, or financial metrics. Strategic, financial, and competitive assessments therefore must rely on indirect signals from firmographics (mature private industrial firm, mid-sized headcount, 120-year history) and marketing-channel telemetry, rather than first-party operational disclosures.

Name

Garratt-Callahan

Legal name

Garratt-Callahan

Website

https://garrattcallahan.com

Company type

Private

Founded year

1904

Operating status

Operating

Headcount range

251–500 employees

Short description

Garratt-Callahan is a privately held, Burlingame-based industrial water treatment company founded in 1904 that delivers boiler, cooling tower, and wastewater treatment solutions to industrial and commercial customers, with 251–500 employees.

Ownership category

akta.pro rank

Product category

Industrial Water Treatment

NAICS

Chemical Manufacturing (325)

SIC

Chemicals & Allied Products (2800), Miscellaneous Chemical Products (2890)

akta.pro primary industry

Water Treatment & Process Specialty Chemicals (IMAEABAN)

akta.pro secondary industries

Water Systems & Treatment (Pumps/Boilers/Water Heaters/Filtration) (IMAIABAK), Industrial Wastewater & Effluent Treatment Services (BPALAHAD)

Keywords

• Industrial water treatment
• Boiler water treatment
• Cooling tower treatment
• Wastewater treatment solutions
• Water chemistry management

Headquarters

HQ city

Burlingame

HQ country

United States

HQ region

North America

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Supply Chain, Operations, Marketing or Sales

Marketing channels4 records

Core offering

Garratt-Callahan delivers water treatment services and treatment chemical programs for industrial and commercial customers. Core capabilities include water chemistry management, boiler water treatment, cooling tower treatment, and wastewater solutions, supplied as on-site service programs supported by the company's specialty chemical formulations.

Differentiator

Problem solved

Functional benefit

Products and services

• Industrial Water Treatment Solutions

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Five partnerships are on record, tiered standard.

• Google (Multiple services)standardTechnology or IntegrationGoogle provides various marketing and analytics technologies including Google Analytics, DoubleClick advertising, and conversion tracking for the company's digital marketing operations.
• LinkedInstandardTechnology or IntegrationLinkedIn provides advertising and professional network integration for targeted B2B marketing campaigns and audience tracking.
• HubSpotstandardTechnology or IntegrationHubSpot provides marketing automation, CRM integration, and analytics tracking for customer journey analysis and marketing campaign management.
• HotjarstandardTechnology or IntegrationHotjar provides website analytics and user behavior tracking through heatmaps and session recordings for UX optimization.
• Microsoft (Bing/Advertising)standardTechnology or IntegrationMicrosoft provides advertising services and analytics tracking for search-based customer acquisition through Bing and Microsoft Advertising network.

Scale indicators1 record

Recent moves3 records

Expansion highlights2 records

Direct peers

• Solenis: Solenis is a global specialty chemicals producer focused on water-intensive industries including pulp, paper, and industrial process water. Direct overlap in industrial water chemistry programs makes it a tightly comparable peer.
• ChemTreat: ChemTreat is one of the largest U.S. industrial water treatment companies, offering boiler, cooling, and process water chemistry services to industrial customers. It is the closest direct competitor to Garratt-Callahan in product scope and customer type.

Broad incumbents

• Xylem: Xylem is a global water technology company providing pumps, treatment equipment, and digital solutions for utilities and industrial customers. Adjacent to Garratt-Callahan's chemistry business but increasingly competing for full-scope water management contracts.
• Kurita Water Industries: Kurita is a Japanese-headquartered global water treatment chemicals and equipment company serving industrial and semiconductor customers. Comparable product mix with stronger presence in Asia and in ultrapure water segments.
• SUEZ Water Technologies & Solutions: SUEZ provides industrial water treatment chemicals, equipment, and digital services to manufacturing and power customers. Comparable offering depth with global reach and strong digital monitoring integrations.
• Pentair: Pentair supplies water treatment equipment and solutions across residential, commercial, and industrial markets. While more equipment-led, it overlaps with Garratt-Callahan in industrial process water and boiler/cooling applications.
• Veolia Water Technologies: Veolia operates one of the world's largest water and wastewater treatment businesses, including industrial chemistry and equipment offerings. It competes with Garratt-Callahan in industrial accounts but on a much broader portfolio and global scale.
• Nalco Water (Ecolab): Nalco Water, an Ecolab division, is the dominant global supplier of industrial water treatment chemistry and services. Overlaps completely with Garratt-Callahan's product lines but at vastly greater scale and with digital monitoring capabilities.

Emerging players

• American Water Chemicals: A U.S. specialty chemical company producing treatment chemistries for industrial water systems including boilers and cooling towers. Smaller and more focused than Garratt-Callahan but operates in overlapping industrial niches.
• BWA Water Additives: BWA develops and supplies specialty water treatment chemistries, including antiscalants and biocides for industrial cooling and process water. Comparable specialty chemistry focus, though smaller in scale and with broader geographic distribution.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key risks5 records

Key highlights5 records

Customer concentration

• Xx.com/garrattcallahan
• Facebookfacebook.com/garrattcallahan

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Garratt-Callahan