EX-21.1 4 ex-21d1.htm EX-21.1 fix_Ex21_1

EXHIBIT 21.1

 

SUBSIDIARIES OF COMFORT SYSTEMS USA, INC.

as of December 31, 2019

 

ENTITY NAME

    

DOMESTIC
JURISDICTION

    

FORMATION
DATE

 

ACI Mechanical, Inc.

 

Delaware

 

06/26/1998

 

Acorn Industrial, LLC

 

North Carolina

 

01/03/1997

 

Air Systems Engineering, Inc.

 

Washington

 

05/18/1973

 

AirTemp, Inc.

 

Maine

 

10/15/1998

 

ARC Comfort Systems USA, Inc.

 

Delaware

 

03/17/1998

 

Armani East LLC

 

New York

 

12/03/2018

 

BCH Holdings, Inc.

 

Florida

 

12/28/2004

 

BCH Leasing, LLC

 

Florida

 

10/25/1990

 

BCH Mechanical, L.L.C.

 

Florida

 

10/19/1976

 

BCM Controls Corporation

 

Massachusetts

 

10/03/1984

 

Billone West LLC

 

New York

 

12/03/2018

 

Blue C, LLC dba HVACRedu.net

 

Montana

 

01/01/2007

 

Building Temperature Solutions, LLC

 

Indiana

 

10/27/2009

 

California Comfort Systems USA, Inc.

 

California

 

05/18/1983

 

ColonialWebb Contractors Company

 

Virginia

 

03/30/1972

 

Comfort Systems USA (Arkansas), Inc.

 

Arkansas

 

03/17/1998

 

Comfort Systems USA (Baltimore), LLC

 

Delaware

 

10/15/1998

 

Comfort Systems USA (Indiana), LLC

 

Indiana

 

06/08/2015

 

Comfort Systems USA (Intermountain), Inc.

 

Utah

 

05/06/1969

 

Comfort Systems USA (Kentucky), Inc.

 

Kentucky

 

02/10/1981

 

Comfort Systems USA (Mid South), Inc.

 

Alabama

 

08/06/1998

 

Comfort Systems USA (MidAtlantic), LLC

 

Virginia

 

01/01/2010

 

Comfort Systems USA (Northwest), Inc.

 

Washington

 

02/14/1984

 

Comfort Systems USA (Ohio), Inc.

 

Ohio

 

10/10/1979

 

Comfort Systems USA (South Central), Inc.

 

Texas

 

05/24/2007

 

Comfort Systems USA (Southeast), Inc.

 

Delaware

 

03/24/1998

 

Comfort Systems USA (Southwest), Inc.

 

Arizona

 

12/23/1977

 

Comfort Systems USA (Syracuse), Inc.

 

New York

 

03/08/1965

 

Comfort Systems USA (Texas), L.P.

 

Texas

 

08/14/1998

 

Comfort Systems USA G.P., Inc.

 

Delaware

 

08/12/1998

 

Comfort Systems USA Strategic Accounts, LLC

 

Indiana

 

07/28/1998

 

ConServ Building Services of Alabama, LLC

 

Alabama

 

12/28/2012

 

ConServ Building Services of Georgia, LLC

 

Georgia

 

11/04/2008

 

ConServ Building Services of Tennessee, LLC

 

Tennessee

 

01/07/2010

 

ConServ Building Services of Texas, LLC

 

Texas

 

01/22/2010

 

ConServ Building Services, LLC

 

Florida

 

01/05/2005

 

ConServ Building Services of North Carolina, LLC

 

North Carolina

 

03/22/2010

 

Control Concepts Mechanical Services, LLC

 

Georgia

 

01/17/2008

 

Control Concepts, LLC

 

Georgia

 

12/16/1996

 

CSUSA (10), LLC

 

North Carolina

 

10/21/2011

 

Delcard Associates, LLC

 

Delaware

 

06/23/2000

 

Design Mechanical Incorporated

 

Colorado

 

11/25/2003

 

Dilling Group Leasing Co., LLC

 

Indiana

 

07/29/2016

 

Dilling Group, Inc.

 

Indiana

 

12/14/1984

 

Dilling, LLC

 

Indiana

 

12/29/1998

 

Dyna Ten Corporation

 

Texas

 

06/26/1980

 

Dyna Ten Maintenance Services, LLC

 

Texas

 

08/07/2006

 

Eastern Heating & Cooling, Inc.

 

New York

 

12/19/1988

 

ENTITY NAME

    

DOMESTIC
JURISDICTION

    

FORMATION
DATE

 

Environmental Air Systems, LLC

 

North Carolina

 

10/07/2011

 

Envirotrol, LLC

 

North Carolina

 

10/28/2011

 

F. W. Dilling, LLC

 

Indiana

 

12/06/1999

 

Generex, LLC

 

Indiana

 

12/22/2017

 

Granite State Holdings Company, Inc.

 

Delaware

 

11/03/2005

 

Granite State Plumbing & Heating, LLC

 

New Hampshire

 

07/31/2001

 

Hess Mechanical, LLC

 

Maryland

 

12/31/2015

 

Mechanical Technical Services, Inc.

 

Texas

 

05/24/2007

 

MJ Comfort Plumbing, LLC

 

New York

 

09/16/2014

 

MJ Mechanical Services, Inc.

 

Virginia

 

12/12/1997

 

North American Mechanical, Inc.

 

Delaware

 

03/17/1998

 

OFF, LLC

 

Indiana

 

11/22/2002

 

Post Oak Insurance Co. Ltd.

 

Cayman Islands

 

10/04/2019

 

Premier Prefabrication Solutions, LLC

 

Texas

 

01/16/2018

 

Quality Air Heating & Cooling, Inc.

 

Michigan

 

09/10/1980

 

Riddleberger Brothers, Inc.

 

Virginia

 

12/22/1958

 

Royalaire Holdings, LLC

 

Florida

 

03/22/2006

 

Royalaire Mechanical Services II, LLC

 

Florida

 

09/27/2010

 

Royalaire Mechanical Services, LLC

 

Florida

 

09/12/2006

 

S.I. Goldman Company, Inc.

 

Florida

 

10/04/1976

 

S.M. Lawrence Company, Inc.

 

Tennessee

 

03/08/1973

 

Seasonair, Inc.

 

Maryland

 

10/28/1966

 

ShoffnerKalthoff MES, Inc.

 

Tennessee

 

05/18/2005

 

Temp Right Service, Inc.

 

Delaware

 

09/25/1997

 

Trumbo Electric, Incorporated

 

Virginia

 

06/02/1966

 

Walker Electrical Contractors, Inc.

 

Texas

 

03/23/2010

 

Walker Engineering, Inc.

 

Texas

 

01/29/2002

 

Walker Industrial, LLC

 

Texas

 

12/12/2014

 

Walker Logistics, LLC

 

Texas

 

01/10/2013

 

Walker Service Group, LLC

 

Texas

 

03/14/2013

 

Walker TX Holding Company, LLC

 

Texas

 

05/13/2013