Insights

Expansion Potential With 8 locations across Illinois, Indiana, and Wisconsin and annual revenue in the $100M-$250M range, ILLCO, Inc. presents opportunities to upsell cross-cutting HVACR equipment, parts, and maintenance services to a broad Midwest contractor base as they continue to scale.

Service as Sell The company highlights service as its core product and emphasizes trained, educated staff; sales teams can position value-added services such as preventive maintenance contracts, technician training packages, and after-sales support as differentiators to win larger project bids.

Talent Pipeline ILLCO aims to recruit and develop young talent, offering industry education, benefits, and growth opportunities. This creates an opening for partnerships around apprentice programs, supplier training portals, and accelerated onboarding for new technicians who will require ongoing parts and equipment access.

Tech Stack Fit Current technologies include StoreVantage, Wix eCommerce, Google Cloud, and analytics tools. This suggests readiness for digital procurement improvements, B2B portals, bulk ordering workflows, and targeted marketing automation to drive repeat purchases from contractor networks.

Financial Traction Mid-market scale with revenue visibility in the hundreds of millions implies solid purchasing power and potential for tiered pricing, bundled maintenance solutions, and exclusive distribution arrangements that can be leveraged in competitive bids for larger HVACR projects.

Similar companies to ILLCO, Inc.

ILLCO, Inc. Tech Stack

ILLCO, Inc. uses 8 technology products and services including Store Vantage, Wix, Cart Functionality, and more. Explore ILLCO, Inc.'s tech stack below.

ILLCO, Inc.'s Email Address Formats

ILLCO, Inc. uses at least 4 email formats:
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.

How much revenue does ILLCO, Inc. generate?

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As of August 2026, ILLCO, Inc.'s annual revenue is estimated to be $100M - $250M.

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 August 2026, ILLCO, Inc. has approximately 57 employees across 1 continents, including North America. Key team members include Information Technology Director: D. T., Administration Manager: R. B. and : D. B. 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 Store Vantage, Wix, Cart Functionality, Wix eCommerce, Microsoft 365, Google Cloud, Sentry and Google Tag Manager.

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. logo

ILLCO, Inc.

WholesaleIllinois, United States51-200 Employees

ILLCO, Inc. is a wholesale distributor of heating, ventilation, air-conditioning and refrigeration equipment, parts and supplies. The company operates across eight locations in Illinois, Indiana and Wisconsin, including Countryside, Aurora, Elk Grove Village, Waukegan, Joliet and Peoria in Illinois, as well as Hammond, Indiana, and Milwaukee, Wisconsin. It has a long-standing history as a family-owned business since 1929. The organization employs between 51 and 200 people. Its headquarters is at 9590 West 55th Street, Countryside, Illinois 60525, United States, and its website is illco.com. The description notes that service is considered the most important product for customers.

Section iconCompany Overview

Phone number
Website
illco.com
NAICS Code
42 - Wholesale Trade
Founded
1929
Employees
51-200

Section iconFunding & Financials

  • $100M - $250M

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

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