EX-21.1 9 dex211.htm SUBSIDIARIES OF CONCENTRA OPERATING Subsidiaries of Concentra Operating

Exhibit 21.1

 

SUBSIDIARIES

 

NAME

    STATE OF
ORGANIZATION

Concentra Akron, L.L.C.

    Delaware

Concentra Arkansas, L.L.C. (doing business as Concentra Medical Centers)

    Delaware

Concentra Birmingham, L.L.C. (doing business as Concentra Medical Centers)

    Delaware

Concentra Health Services, Inc. (doing business as Concentra Medical Centers)

    Nevada

Concentra Integrated Services, Inc.

    Massachusetts

Concentra Laboratory, L.L.C. (doing business as Advanced Toxicology Network)

    Delaware

Concentra Managed Care Business Trust

    Massachusetts

Concentra Management Services, Inc. (doing business as Concentra Medical Centers)

    Nevada

Concentra New Orleans, L.L.C. (doing business as Concentra Medical Centers)

    Delaware

Concentra Occupational Healthcare Harrisburg, L.P. (doing business as Concentra Medical Centers)

    Pennsylvania

Concentra Preferred Business Trust

    Massachusetts

Concentra Preferred Systems, Inc.

    Delaware

Concentra South Carolina, L.L.C. (doing business as Concentra Medical Centers)

    Delaware

Concentra St. Louis, L.L.C. (doing business as Concentra Medical Centers)

    Delaware

Concentra-UPMC, L.L.C (doing business as Concentra Medical Centers)

    Delaware

Concentra Vanderbilt, L.L.C. (doing business as Concentra Medical Centers)

    Delaware

Concentra Winston-Salem, L.L.C. (doing business as Concentra Medical Centers)

    Delaware

CRA Managed Care of Washington, Inc.

    Washington

CRA-MCO, Inc.

    Nevada

First Notice Systems, Inc.

    Delaware

Focus Healthcare Business Trust

    Massachusetts

Focus Healthcare Management, Inc.

    Tennessee

HealthNetwork Systems LLC

    Delaware

Managed Prescription Program Joint Venture

    Arizona

Medical Network Systems LLC

    Delaware

MetraComp, Inc

    Connecticut

National Healthcare Resources, Inc.

    Delaware

NHR Washington, Inc

    Delaware

OccuCenters I, L.P. (doing business as Concentra Medical Centers; Concentra)

    Texas

Occupational Health Ventures, L.L.C (doing business as Concentra Medical Centers)

    Pennsylvania

OCI Holdings, Inc.

    Nevada

OHC of Oklahoma, L.L.C. (doing business as Concentra Medical Centers)

    Oklahoma

Tucson Occupational Medicine Partnership (doing business as Concentra Medical Centers)

    Arizona