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EX-32.2 - EX-32.2 - MUELLER INDUSTRIES INCq42020exhibit322.htm
EX-32.1 - EX-32.1 - MUELLER INDUSTRIES INCq42020exhibit321.htm
EX-31.2 - EX-31.2 - MUELLER INDUSTRIES INCq42020exhibit312.htm
EX-31.1 - EX-31.1 - MUELLER INDUSTRIES INCq42020exhibit311.htm
EX-23 - EX-23 - MUELLER INDUSTRIES INCq42020exhibit23.htm
EX-10.8 - EX-10.8 - MUELLER INDUSTRIES INCq42020exhibit108.htm
EX-4.4 - EX-4.4 - MUELLER INDUSTRIES INCq42020exhibit44.htm
10-K - 10-K - MUELLER INDUSTRIES INCmli-20201226.htm

Exhibit 21.0

MUELLER INDUSTRIES, INC.
List of Subsidiaries
  State or Country
Subsidiary*of Incorporation
   
Shoals Tubular, Inc.Alabama
ATCO Rubber Products, Inc.Michigan
Mueller Brass Holding Company, Inc.Delaware
Mueller Brass Co. (Assumed name: Mueller Brass Products)Michigan
Extruded Metals, Inc. Delaware
Mueller Advanced Connections, LLCDelaware
Mueller Industrial Realty Co.Michigan
Itawamba Industrial Gas Company, Inc.Mississippi
Mueller Plastics Holding Company, Inc.Ohio
Mueller Plastics Corporation, Inc.Delaware
MPC Foundry, Inc.Delaware
MPC Machine Shop, Inc.Delaware
Mueller Brass Forging Company, Inc.Delaware
Mueller Copper Tube Company, Inc.Delaware
Mueller Fittings, LLCMississippi
Mueller Fittings Company, Inc.Michigan
MCTC, LLCMississippi
Mueller East, Inc.Delaware
Mueller Formed Tube Company, Inc.Delaware
Mueller Impacts Company, Inc.Delaware
Mueller Press Company, Inc.Mississippi
Mueller Refrigeration Products Company, Inc.Delaware
Mueller LBHC, Inc.Delaware
Lincoln Brass Works, Inc. (Assumed name: Mueller Gas Products)Michigan
Overstreet-Hughes, Co., Inc. (Assumed name: Fabricated Tube Products)Tennessee
Mueller Refrigeration LLCDelaware
Mueller Refrigeration Holding Company, Inc.Delaware
Mueller Streamline Co.Delaware
Kessler Sales & Distribution LLCDelaware
B&K, LLC (d/b/a BK Products)Delaware
Heatlink Group USA, LLC (Incorporated 2/7/2019)Tennessee
Precision Tube Company, LLCPennsylvania
Mueller Southeast, Inc.Pennsylvania
Southland Pipe Nipples Company, Inc.Texas
Mueller Tool and Machine, Inc.Delaware
Mueller Casting Company, Inc.Delaware
Mueller Packaging, LLCMississippi
Micro Gauge, Inc.Michigan
Microgauge Machining, Inc.Michigan
Propipe Technologies, Inc. (Assumed name: Mueller Gas Products)Ohio
WTC Holding CompanyMichigan
MA Industrial Secured Lending, LLC (4)
Delaware



  State or Country
Subsidiary*of Incorporation
Muellux Holding Company I SARLLuxembourg
Muellux Holding Company II SARLLuxembourg
Mueller Middle East B.S.C. (7)
Bahrain
Mueller Europe Investment Company Ltd.United Kingdom
Jungwoo Metal Ind. Co., Ltd. (5)
South Korea
Mueller Europe, LimitedUnited Kingdom
Westermeyer Industries, Inc.Illinois
Sherwood Valve Products, Inc.Ohio
Sherwood Valve LLC Delaware
DENO Investment Company, Inc.Michigan
Mueller de Mexico, S.A. de C.V. (1)
Mexico
DENO Holding Company, Inc.Michigan
B & K Industries, Inc.Illinois
Mueller Copper Tube Products, Inc.Delaware
MCTP, LLCMichigan
Howell Metal Company (d/b/a Precision Tube in VA 4/2019)Virginia
Turbotec Products, Inc.Connecticut
Mueller Canada Holding Co. Ltd.Alberta
Pexcor Manufacturing Co., Inc.Alberta
Heatlink Group, Inc.Alberta
Great Lakes Copper Ltd.Nova Scotia
Die-Mold Tool LimitedOntario
Linesets, Inc.Delaware
Climate Components, LLCDelaware
Arava Natural Resources Company, Inc.Delaware
United States Fuel CompanyNevada
King Coal CompanyUtah
Canco Oil & Gas Ltd.Alberta, Canada
Aegis Oil and Gas Leasing Ltd.Alberta, Canada
Bayard Mining Corp.Delaware
Washington Mining CompanyMaine
Amwest Exploration CompanyDelaware
USSRAM Exploration CompanyMaine
White Knob Mining CompanyIdaho
Arava Exploration CompanyColorado
Summit Systems, Inc.Delaware
Mining Remedial Recovery CompanyDelaware
Carpentertown Coal & Coke CompanyPennsylvania
U.S.S. Lead Refinery, Inc.Maine
Leon Water Enterprises, Inc. (50%)Texas
Macomber Construction CompanyOhio
Macomber, IncorporatedOhio
Macomber Building and Land CorporationDelaware
DENO Investment Company II, Inc.Michigan
Tecumseh Products Holdings LLC (6)
Delaware
Tecumseh Products Co.Michigan
MII Financial CorporationMichigan



  State or Country
Subsidiary*of Incorporation
Mueller Streamline Holding S.L.U.Spain
WTC HoldCo I, LLCDelaware
WTC HoldCo II, LLCDelaware
Mueller Comercial de Mexico S. de R.L. de C.V. (2)
Mexico
NICNA Mexico Servicios, S. de R.L. de C.V. (3)
Mexico
NICNA Mexico Proyectos, S. de R.L. de C.V. (3)
Mexico
Mueller Streamline II, LLCDelaware
Changzhou Mueller Refrigerant Valve Manufacturing Co., Ltd.China
Mueller Industries Trading (Shanghai) Co., Ltd.China
Mueller Streamline Trading, LLCDelaware
Mueller Streamline China, LLCDelaware
*All subsidiaries are 100% owned, except as shown.
(1)  Owned by DENO Investment Company, Inc. (99.94%) and Mueller Streamline Co. (.06%)
(2)  Owned by Mueller Streamline Holding S.L.U. (99.983%), WTC HoldCo I, LLC (0.016%), and WTC HoldCo II, LLC (0.001% )
(3) Less than 1% of the outstanding common stock is owned by WTC HoldCo I, LLC
(4)  Owned by WTC Holding Company (50%)
(5)  Owned by Muellux Europe Investment Company Ltd. (60%)
(6)  Owned by DENO Investment Company, Inc. (50%)
(7) Owned by Muellux Holding Company II SARL (40%)