Insights

Expanding Regional Presence With eight locations across Illinois, Indiana, and Wisconsin, ILLCO, Inc. demonstrates a strong regional footprint in the Midwest HVAC market, presenting opportunities to expand product and service offerings within these key markets.

Family-Owned Stability As a family-owned business established in 1929, ILLCO values service and employee development, which can be leveraged to promote premium support, training solutions, and specialized equipment to reinforce customer loyalty and differentiate from competitors.

Technology Adoption Utilizing modern web tools like Google Cloud CDN, Wix eCommerce, and PHP indicates openness to digital solutions, suggesting potential for upselling advanced inventory management, eCommerce enhancements, or digital marketing services to improve sales channels.

Focus on Talent Development Their emphasis on recruiting and training young talent opens opportunities for offering workforce management solutions, industry training programs, or employee engagement platforms tailored to wholesale HVAC distributors.

Market Potential Generating between $100M and $250M in revenue within a specialized wholesale space, ILLCO presents growth opportunities for bulk procurement, equipment upgrades, and maintenance services driven by its extensive network and industry reputation.

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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