Insights

Growing Market Presence ILLCO, Inc. operates across multiple locations in Illinois, Indiana, and Wisconsin, serving a regional wholesale market with an expanding footprint. This geographic spread offers opportunities to introduce localized HVAC solutions and expand product offerings tailored to regional demand.

Stable Revenue Base With annual revenues estimated between 100 million to 250 million dollars, ILLCO demonstrates a strong financial position. This stability provides a foundation for investment in new product lines or technology upgrades, creating avenues for sales of advanced HVAC equipment and parts.

Family-Owned Focus As a family-owned business with a long history since 1929, ILLCO values service excellence and employee development. Opportunities exist to offer specialized training, premium service programs, and tailored solutions that resonate with their commitment to quality and workforce growth.

Technology Adoption Utilizing modern tech like cloud services, eCommerce platforms, and website builders indicates openness to digital solutions. This approach suggests potential for providing online ordering systems, automation tools, or digital marketing services to enhance sales channels.

Talent Development Strategy ILLCO’s focus on training and internal growth presents an opportunity to pitch HR and talent acquisition solutions, especially those that support employee education, industry certifications, and incentivize workforce retention — crucial for their ongoing service quality and expansion plans.

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

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 December 2025, ILLCO, Inc. has approximately 56 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

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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