Insights

Sustainability focus Clarke positions itself as an environmentally responsible public health solutions provider with a mission to reduce its environmental footprint. This alignment creates a sales opening for sustainable vector control products, eco-friendly services, and certifications that resonate with public health agencies prioritizing greener procurement.

Public health specialization As a third-generation family-owned company focused on vector control and mosquito management, Clarke targets government, municipal, and healthcare clients seeking integrated mosquito management capabilities. This suggests cross-sell opportunities across public health departments, schools, and recreational facilities.

Growth signals Revenue is in the range of several hundred million dollars, indicating scale and buying capacity. The size, coupled with a Great Place to Work certification, signals stability and potential for multi-year service contracts and expanded product adoption in existing markets.

Tech stack leverage Utilization of platforms such as Microsoft 365 Copilot, Salesforce Marketing Cloud, and Azure implies potential for data-driven sales motion, CRM-driven account penetration, and targeted marketing campaigns to drive upsell of advanced mosquito management technologies.

Expansion opportunities Clarke’s emphasis on next-generation, innovative solutions and integrated mosquito management indicates opportunities to bundle new offerings, expand into additional regions, and partner with public sector buyers seeking comprehensive, sustainable vector control programs.

Similar companies to Clarke

Clarke Tech Stack

Clarke uses 8 technology products and services including Microsoft 365 Copilot, WordPress, Cookiebot, and more. Explore Clarke's tech stack below.

Clarke's Email Address Formats

Clarke uses at least 4 email formats:
Clarke Email FormatsExamplePercentage
FLast@clarke.comJDoe@clarke.com
95%
Last@clarke.comDoe@clarke.com
3%
First_Last@clarke.comJohn_Doe@clarke.com
1%
L.First@clarke.comD.John@clarke.com
1%

Frequently Asked Questions

What is Clarke's phone number?

Minus sign iconPlus sign icon
You can contact Clarke's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Clarke's stock symbol?

Minus sign iconPlus sign icon
Clarke is a publicly traded company; the company's stock symbol is CTO.L.

What is Clarke's official website and social media links?

Minus sign iconPlus sign icon
Clarke's official website is clarke.com and has social profiles on LinkedIn.

How much revenue does Clarke generate?

Minus sign iconPlus sign icon
As of October 2026, Clarke's annual revenue is estimated to be $250M - $500M.

What is Clarke's SIC code and NAICS code?

Minus sign iconPlus sign icon
Clarke's SIC code is 4959 - Sanitary Services, Not Elsewhere Classified and NAICS code is 54162 - Environmental Consulting Services.

How many employees does Clarke have currently?

Minus sign iconPlus sign icon
As of October 2026, Clarke has approximately 305 employees across 6 continents, including North America, Europe and Asia. Key team members include Chief Executive Officer Of Clarke Enterprises: M. C., Vice President General Manager: T. P. and Owner: S. C. Explore Clarke's employee directory with LeadIQ.

What industry does Clarke belong to?

Minus sign iconPlus sign icon
Clarke operates in the Environmental Services industry.

What technology does Clarke use?

Minus sign iconPlus sign icon
Clarke's tech stack includes Microsoft 365 Copilot, WordPress, Cookiebot, WooCommerce, Salesforce Marketing Cloud Account Engagement, Agentforce, Microsoft Azure and Adobe Creative Suite.

What is Clarke's email format?

Minus sign iconPlus sign icon
Clarke's email format typically follows the pattern of FLast@clarke.com. Find more Clarke email formats with LeadIQ.

When was Clarke founded?

Minus sign iconPlus sign icon
Clarke was founded in 1946.
Clarke logo

Clarke

Environmental ServicesIllinois, United States201-500 Employees

Clarke is a mid-sized, third-generation, family-owned company based in St. Charles, Illinois that operates in the environmental services sector. It develops public health products and services with a specialty in vector control, aiming to reduce the public health impact of mosquitoes. The firm has received a Great Place to Work certification, reflecting its workplace recognition. Its offerings center on environmentally responsible solutions for managing disease-carrying and nuisance mosquitoes, leveraging innovations and technical expertise in public health mosquito control. Clarke serves customers seeking to mitigate mosquito-borne disease risk and related nuisances, applying integrated management approaches across communities worldwide. The company positions itself within environmental services as a provider committed to sustainability and public health outcomes.

Section iconCompany Overview

Phone number
Website
clarke.com
SIC Code
4959 - Sanitary Services, Not Elsewhere Classified
Stock Symbol
CTO.L
NAICS Code
54162 - Environmental Consulting Services
Founded
1946
Employees
201-500

Section iconFunding & Financials

  • $250M - $500M

    Clarke's revenue is estimated to be in the range of $250M - $500M

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.