What departments does Callos Resource have?

Callos Resource has employees across 6 departments including Recruiting, Supply Chain, Administrative, Manufacturing, Healthcare Services.

What is the largest department at Callos Resource?

The largest department at Callos Resource is Recruiting with 4 employees.

Where are Callos Resource employees located globally?

Callos Resource has employees across 1 continents and 1 countries including United States Of America.

How has Callos Resource's team size changed over time?

Callos Resource's team has decreased from approximately 71 to 65 employees based on available data.

Callos Resource Employee Directory

Staffing and RecruitingOhio, United States51-200 Employees

Callos Resource is a mid-sized staffing and recruiting firm based in Youngstown, Ohio, founded in 1965 by John Callos. The company has expanded from a single office to a network of 21 offices across Ohio, Pennsylvania, Kansas, Kentucky, and Maryland, offering services that include temporary staffing, direct hire, payroll services, and medical/nursing staffing.

Its client base ranges from Fortune 500 companies to small and medium-sized firms in manufacturing, engineering, retail, medical, and warehousing sectors. The firm emphasizes a team of experienced HR professionals who value honesty, integrity, and creativity to deliver consistent service to both clients and candidates. In April 2022, Callos Resource purchased the Mac's Diner property from Christopher McMahon, reflecting a tangible growth milestone.

Callos Resource Global Highlights

North America
132

United States Of America
132

Callos Resource's Leadership

A. N.
Physician, President
Mobile Phone
Email
N. M.
Manager Of Risk And Administration
Mobile Phone
Email
V. P.
Branch Manager
Mobile Phone
Email
T. W.
Child Activity Leader
Mobile Phone
Email
N. R.
State Tested Nurses Aide
Mobile Phone
Email
A. G.
Recruiter
Mobile Phone
Email
A. H.
Staffing Coordinator Recruiter
Mobile Phone
Email
A. E.
Staffing Coordinator
Mobile Phone
Email

Callos Resource Employee Metrics

100%

50%

0%

2026

2025

Recruiting
Supply Chain
Human Resources
Healthcare Services
Community & Social Services
Other
Operations

Contact profiles from Callos Resource

Name

Title

Contact

Location

Last Update

M. L.
Executive Recruiter
Mobile Phone
Email
Sep 02, 2026
D. C.
Nurse Assistant
Mobile Phone
Email
Sep 12, 2026
E. C.
Customer Service Representative
Mobile Phone
Email
Sep 04, 2026
L. R.
Stna
Mobile Phone
Email
May 29, 2026
M. N.
Laborer
Mobile Phone
Email
Sep 14, 2026
Q. B.
Home Health Aid
Mobile Phone
Email
Sep 06, 2026

Frequently Asked Questions

What is Callos Resource known for?

Callos Resource was founded in 1965 and operates in the Staffing and Recruiting industry. You can contact Callos Resource's main corporate office by phone at

+1-330-788-****

. Explore Callos Resource's company overview page for more information.

What is Callos Resource's most common email format?

Callos Resource employees' email format typically follows the pattern of FLast@callos.com. Trying to find reliable and up-to-date employee contact data? Find more Callos Resource email formats with LeadIQ.

How many employees does Callos Resource have currently?

Callos Resource has approximately 163 employees as of October 2026. These team members are located across 1 continents, including North America.

Who are Callos Resource's key employees and leadership?

As of October 2026, Callos Resource's key employees include:

Physician, President: A. N.
Manager Of Risk And Administration: N. M.
Branch Manager: V. P.
Child Activity Leader: T. W.
State Tested Nurses Aide: N. R.

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Callos Resource Employee Directory

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