What departments does Callos Resource have?

Callos Resource has employees across 4 departments including Administrative, Banking, Recruiting, Healthcare Services.

What is the largest department at Callos Resource?

The largest department at Callos Resource is Administrative with 3 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 61 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
108

United States Of America
108

Callos Resource's Leadership

A. N.
Physician, President
Mobile Phone
Email
N. M.
Manager Of Risk And Administration
Mobile Phone
Email
T. W.
Child Activity Leader
Mobile Phone
Email
V. P.
Branch Manager
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 Info

Location

Last Update

A. N.
Physician, President
Mobile Phone
Email
Oct 17, 2024
N. M.
Manager Of Risk And Administration
Mobile Phone
Email
Oct 21, 2024
T. W.
Child Activity Leader
Mobile Phone
Email
Oct 16, 2024
V. P.
Branch Manager
Mobile Phone
Email
Jul 19, 2025
N. R.
State Tested Nurses Aide
Mobile Phone
Email
Oct 27, 2025
A. G.
Recruiter
Mobile Phone
Email
Oct 23, 2024
A. H.
Staffing Coordinator Recruiter
Mobile Phone
Email
Oct 23, 2024
A. E.
Staffing Coordinator
Mobile Phone
Email
Oct 17, 2024
B. R.
Forklift Operator
Mobile Phone
Email
May 08, 2024
D. H.
Vehicle Mechanic
Mobile Phone
Email
Apr 26, 2025

Frequently Asked Questions

What is Callos Resource known for?

Callos Resource was founded in 1965 operates in the Staffing and Recruiting industry; you can contact the 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 . 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 164 employees as of July 2026. These team members are located across 1 continents, including North America.

Who are Callos Resource's key employees and leadership?

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

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

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

Callos Resource Employee Directory

Find Callos Resource employees' phone numbers or email addresses

Name search is limited — try advanced search instead