Insights

Established Industry Presence As a family-owned distributor since 1929 with multiple locations across Illinois, Indiana, and Wisconsin, ILLCO demonstrates a strong regional footprint in the HVAC supply chain, presenting opportunities for vendors offering logistics, warehouse management, and regional marketing solutions.

Growing Workforce and Revenue With over 90 employees and revenues ranging from 100 million to 250 million dollars, ILLCO shows significant business stability and potential for expansion, making it an attractive prospect for suppliers of enterprise-scale solutions, advanced inventory management systems, or professional training services.

Customer Service Focus ILI conducts its operations with a strong emphasis on service, which indicates opportunities for companies providing customer engagement platforms, sales automation tools, or after-sales support technologies to enhance their client relationships.

Technology Adoption Utilizing modern tools like Google Cloud CDN, Wix eCommerce, and PHP, ILLCO is open to integrating innovative digital solutions, suggesting opportunities for vendors offering cloud services, eCommerce enhancements, or custom software development to streamline their sales and operational processes.

Employee Development Initiatives The company's focus on training and industry-related education presents prospects for organizations involved in professional training, certification programs, and industry-specific educational technologies that can support ILLCO's talent growth and retention strategies.

ILLCO, Inc. Tech Stack

ILLCO, Inc. uses 8 technology products and services including Google Cloud CDN, Module Federation, Wix eCommerce, and more. Explore ILLCO, Inc.'s tech stack below.

  • Google Cloud CDN
    Content Delivery Network
  • Module Federation
    Development
  • Wix eCommerce
    E-commerce
  • Google Fonts API
    Font Scripts
  • Zepto
    Javascript Libraries
  • WebsiteBuilder
    Page Builders
  • PHP
    Programming Languages
  • X-Content-Type-Options
    Web & Portal Technology

Media & News

ILLCO, Inc.'s Email Address Formats

ILLCO, Inc. uses at least 1 format(s):
ILLCO, Inc. Email FormatsExamplePercentage
FLast@illco.comJDoe@illco.com
86%
Last@illco.comDoe@illco.com
9%
FirstLast@illco.comJohnDoe@illco.com
3%
FMiddleLast@illco.comJMichaelDoe@illco.com
2%

Frequently Asked Questions

Where is ILLCO, Inc.'s headquarters located?

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ILLCO, Inc.'s main headquarters is located at 9590 West 55th Street Countryside, Illinois 60525 United States. The company has employees across 1 continents, including North America.

What is ILLCO, Inc.'s phone number?

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You can contact ILLCO, Inc.'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 ILLCO, Inc.'s official website and social media links?

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ILLCO, Inc.'s official website is illco.com and has social profiles on LinkedIn.

What is ILLCO, Inc.'s NAICS code?

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ILLCO, Inc.'s NAICS code is 42 - Wholesale Trade.

How many employees does ILLCO, Inc. have currently?

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As of February 2026, ILLCO, Inc. has approximately 58 employees across 1 continents, including North America. Key team members include Information Technology Director: D. T.Branch Manager: J. R.Manager: D. F.. Explore ILLCO, Inc.'s employee directory with LeadIQ.

What industry does ILLCO, Inc. belong to?

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ILLCO, Inc. operates in the Wholesale industry.

What technology does ILLCO, Inc. use?

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ILLCO, Inc.'s tech stack includes Google Cloud CDNModule FederationWix eCommerceGoogle Fonts APIZeptoWebsiteBuilderPHPX-Content-Type-Options.

What is ILLCO, Inc.'s email format?

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ILLCO, Inc.'s email format typically follows the pattern of FLast@illco.com. Find more ILLCO, Inc. email formats with LeadIQ.

When was ILLCO, Inc. founded?

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ILLCO, Inc. was founded in 1929.

ILLCO, Inc.

WholesaleIllinois, United States51-200 Employees

ILLCO, Inc. is a wholesale distributor of heating, ventilation, air-conditioning and refrigeration equipment, parts and supplies.  We have been a family-owned business since inception in 1929 and now have over 90 employees and 8 locations – Aurora, Countryside, Elk Grove Village, Waukegan, Joliet, and Peoria in Illinois; Hammond, Indiana; and Milwaukee, Wisconsin.  Service is our most important product, and our employees and customers are our most valuable assets.

Our goal is to identify young talent, educate and train them on our products and our industry, and give them opportunities to grow within our company.  We offer a full menu of competitive benefits, including medical, dental and long-term disability insurance, a profit sharing and 401k plan and assistance with industry-related continuing education expenses.

Section iconCompany Overview

Headquarters
9590 West 55th Street Countryside, Illinois 60525 United States
Phone number
Website
illco.com
NAICS Code
42 - Wholesale Trade
Founded
1929
Employees
51-200

Section iconMedia & News

Section iconFunding & Financials

  • $100M$250M

    ILLCO, Inc.'s revenue is estimated to be in the range of $100M$250M

Section iconFunding & Financials

  • $100M$250M

    ILLCO, Inc.'s revenue is estimated to be in the range of $100M$250M

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