Exhibit 21.1

 

SUBSIDIARIES

A list of subsidiaries of Concentra Group Holdings Parent, Inc., as of December 31, 2025, is set forth below, indicating as to each the state or other jurisdiction of incorporation or organization.

Name of Subsidiary			Jurisdiction
Concentra Akron, L.L.C.			Delaware
Concentra Arkansas, L.L.C.			Delaware
Concentra Green Bay, L.L.C.			Delaware
Concentra Group Holdings, LLC			Delaware
Concentra Health Services, Inc.			Nevada
Concentra Holdings, Inc.			Delaware
Concentra Integrated Services, Inc.			Massachusetts
Concentra Occupational Healthcare Harrisburg, L.P.			Pennsylvania
Concentra St. Louis, L.L.C.			Delaware
Concentra Ventures, Inc.			Delaware
ConcentraMark, Inc.			Delaware
Concentra – UPMC, L.L.C.			Delaware
ContinuityRx, Inc.			Arizona
Occuflex Software Solutions, LLC			Texas
Occupational Health + Rehabilitation, LLC			Delaware
OHR/Baystate, LLC			Massachusetts
OHR/MMC, Limited Liability Company			Maine
Onsite Innovations, LLC			Delaware
Patient Transport Services, LLC			Texas
St. Mary’s Medical Park Pharmacy, Inc.			Arizona
U.S. HealthWorks Medical Group of Alaska, LLC			Alabama
U.S. Healthworks, Inc.			Delaware
U.S. Occmed Holdings, LLC			Texas