What departments does ILLCO, Inc. have?

ILLCO, Inc. has employees across 4 departments including Information Technology, Administrative, Sales, Analytics.

What is the largest department at ILLCO, Inc.?

The largest department at ILLCO, Inc. is Sales with 4 employees.

Where are ILLCO, Inc. employees located globally?

ILLCO, Inc. has employees across 1 continents and 1 countries including United States Of America.

How has ILLCO, Inc.'s team size changed over time?

ILLCO, Inc.'s team has decreased from approximately 46 to 35 employees based on available data.

ILLCO, Inc. Employee Directory

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.

ILLCO, Inc. Global Highlights

North America
68

United States Of America
68

ILLCO, Inc.'s Leadership

D. T.
Information Technology Director
Mobile Phone
Email
J. R.
Branch Manager
Mobile Phone
Email
D. F.
Manager
Mobile Phone
Email
R. B.
Administration Manager
Mobile Phone
Email
J. G.
Branch Manager
Mobile Phone
Email
J. R.
Branch Manager
Mobile Phone
Email
C. C.
Inside Sales Representative
Mobile Phone
Email
C. D.
First Mate
Mobile Phone
Email

ILLCO, Inc. Employee Metrics

100%

50%

0%

2026

2025

Administrative
Sales
Information Technology
Product Management
Supply Chain
Other
Banking
Business

Contact profiles from ILLCO, Inc.

Name

Title

Contact Info

Location

Last Update

N. N.
Sales
Mobile Phone
Email
UNITED STATES
Oct 21, 2024
T. M.
Infrastructure Analyst
Mobile Phone
Email
UNITED STATES
Mar 08, 2023
T. G.
Corporate Secretary
Mobile Phone
Email
UNITED STATES
Mar 08, 2023
J. C.
H.V.A.C. Supply
Mobile Phone
Email
United StatesWisconsin
Jun 01, 2026
C. B.
Mobile Phone
Email
UNITED STATES
Mar 08, 2023
D. B.
Mobile Phone
Email
Apr 25, 2025
D. P.
Mobile Phone
Email
UNITED STATES
Oct 21, 2024
S. P.
Mobile Phone
Email
UNITED STATES
Mar 08, 2023

Frequently Asked Questions

What is ILLCO, Inc. known for?

ILLCO, Inc. was founded in 1929 operates in the Wholesale industry. The company's main headquarters is located in 9590 West 55th Street Countryside, Illinois 60525 United States; you can contact the main corporate office by phone at

+1-708-579-****

. Explore ILLCO, Inc.'s company overview page for more information.

What is ILLCO, Inc.'s most common email format?

ILLCO, Inc. employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more ILLCO, Inc. email formats with LeadIQ.

How many employees does ILLCO, Inc. have currently?

ILLCO, Inc. has approximately 57 employees as of June 2026. These team members are located across 1 continents, including North America.

Who are ILLCO, Inc.'s key employees and leadership?

As of June 2026, ILLCO, Inc.'s key employees include:

Information Technology Director: D. T.
Branch Manager: J. R.
Manager: D. F.
Administration Manager: R. B.
Branch Manager: J. G.

Looking for contact data? Unlock accurate emails and phone numbers for your ideal prospects with LeadIQ.

Everything for prospecting,
in one platform.

What you can expect from LeadIQ:

B2B data verified in real-time
Sync data to your CRM, & add it to an outreach sequence in one click
Integrations with your tech stack for optimal efficiency
A patented AI cold email generator
Account & contact-level job change tracking

ILLCO, Inc. Employee Directory

Find ILLCO, Inc. employees' phone numbers or email addresses

Name search is limited — try advanced search instead