Connor & Gallagher OneSource Employee Directory

Q: What is Connor & Gallagher OneSource known for?

Connor & Gallagher OneSource was founded in 1997. Connor & Gallagher OneSource operates in the Insurance industry.

InsuranceIllinois, United States51-200 Employees

Connor & Gallagher OneSource (CGO) is an independent insurance broker in Lisle, Illinois since 1997. We serve organizations in the areas of business insurance, employee benefits, HR, payroll, and 401k plan services. We have in-house consultants and customer service teams that specialize in each of these areas.
#BusinessInsurance #EmployeeBenefits #401k #HR #Payroll

Find Connor & Gallagher OneSource employees' phone numbers or email addresses

Connor & Gallagher OneSource Global Highlights

North America
157

United States Of America
157

Connor & Gallagher OneSource's Leadership

T. C.
Partner At Connor And Gallagher Insurance Services
Mobile Phone
Email
M. S.
Key Account Manager
Mobile Phone
Email
D. C.
Account Manager
Mobile Phone
Email
K. A.
Principal
Mobile Phone
Email
M. M.
Principal
Mobile Phone
Email
G. M.
Commercial Insurance Broker
Mobile Phone
Email
C. D.
Customer Service Representative
Mobile Phone
Email
E. S.
Customer Service Assistant
Mobile Phone
Email

Connor & Gallagher OneSource Employee Metrics

100%

50%

2026

2025

Sales
Human Resources
Finance
Support
Entertainment
Other

Contact profiles from Connor & Gallagher OneSource

Name

Title

Contact Info

Location

Last Update

T. C.
Partner At Connor And Gallagher Insurance Services
Mobile Phone
Email
Oct 16, 2024
M. S.
Key Account Manager
Mobile Phone
Email
United States
Nov 13, 2025
D. C.
Account Manager
Mobile Phone
Email
Oct 21, 2024
K. A.
Principal
Mobile Phone
Email
Oct 22, 2024
M. M.
Principal
Mobile Phone
Email
Oct 16, 2024
G. M.
Commercial Insurance Broker
Mobile Phone
Email
United States
Oct 22, 2025
C. D.
Customer Service Representative
Mobile Phone
Email
United StatesWisconsin
Feb 05, 2026
E. S.
Customer Service Assistant
Mobile Phone
Email
United States
Sep 11, 2025
B. G.
Server, Bartender
Mobile Phone
Email
Oct 09, 2025
D. M.
Commercial Lines Marketing Specialist
Mobile Phone
Email
Oct 21, 2024

Frequently Asked Questions

What is Connor & Gallagher OneSource known for?

Connor & Gallagher OneSource was founded in 1997 operates in the Insurance industry. The company's main headquarters is located in 750 Warrenville Road #400 Lisle, Illinois 60532 United States; you can contact the main corporate office by phone at

+1-312-431-****

. Explore Connor & Gallagher OneSource's company overview page for more information.

What is Connor & Gallagher OneSource's most common email format?

Connor & Gallagher OneSource employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more Connor & Gallagher OneSource email formats with LeadIQ.

How many employees does Connor & Gallagher OneSource have currently?

Connor & Gallagher OneSource has approximately 132 employees as of February 2026. These team members are located across 1 continents, including North America.

Who are Connor & Gallagher OneSource's key employees and leadership?

As of February 2026, Connor & Gallagher OneSource's key employees include:

Partner At Connor And Gallagher Insurance Services: T. C.
Key Account Manager: M. S.
Account Manager: D. C.
Principal: K. A.
Principal: M. M.

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