Private company

Kerite Company

Manufacturer of power cables, based in Seymour, Connecticut, founded in 18541

Kerite is an American manufacturing company, which manufactures and installs power cables. The company is based in Seymour, Connecticut.2 It is part of Berkshire Hathaway.1 Wikipedia text CC BY-SA 4.0

Last updated Oct 20, 2026.

Overview

1854Founded1

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Kerite Company - 01
Photo: Joe Mabel, CC BY-SA 3.0, via Wikimedia Commons3

Kerite is an American manufacturing company, which manufactures and installs power cables. The company is based in Seymour, Connecticut.2

Corporate structure

Kerite Company is part of a group headed by Berkshire Hathaway. 1,533 entities, 33 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

  • Berkshire Hathaway Omaha, Nebraska, United States
    • AltaLink 100% · Calgary, Alberta, Canada
    • Berkshire Hathaway Energy 89.94% · Des Moines, Iowa, United States
      • Northern Powergrid Newcastle Upon Tyne, United Kingdom
        • 4 more
      • NV Energy Las Vegas, Nevada, United States
      • Elmore Subsidiary · Elmore
      • Integrated Utility Services UK Subsidiary · Yorkshire
      • BHE RENEWABLES, LLC Subsidiary · Des Moines, Iowa, United States
        • 4 more
      • BHER POWER RESOURCES, INC. Subsidiary · Scottsdale, Arizona, United States
      • CORDOVA ENERGY COMPANY LLC Subsidiary · Des Moines, Iowa, United States
      • FLAT TOP WIND I, LLC Subsidiary · Des Moines, Iowa, United States
      • KERN RIVER GAS TRANSMISSION COMPANY Subsidiary · Salt Lake City, Utah, United States
      • MARIAH DEL NORTE LLC Subsidiary · Des Moines, Iowa, United States
      • MARSHALL WIND ENERGY LLC Subsidiary · Des Moines, Iowa, United States
      • MIDAMERICAN ENERGY SERVICES, LLC Subsidiary · Des Moines, Iowa, United States
      • NORTHERN NATURAL GAS COMPANY Subsidiary · Omaha, Nebraska, United States
      • PINYON PINES WIND I, LLC Subsidiary · Des Moines, Iowa, United States
      • PINYON PINES WIND II, LLC Subsidiary · Des Moines, Iowa, United States
      • SANTA RITA WIND ENERGY LLC Subsidiary · Des Moines, Iowa, United States
      • SARANAC POWER PARTNERS, L.P. Subsidiary · Wilmington, Delaware, United States
      • TX JUMBO ROAD WIND, LLC Subsidiary · Des Moines, Iowa, United States
    • Kerite Company Seymour
    • MidAmerican Energy Company Des Moines, Iowa, United States
    • NEW ENGLAND ASSET MANAGEMENT, INC. Farmington, Connecticut, United States
    • PacifiCorp Portland, Oregon, United States
    • Precision Castparts Corp. Lake Oswego, Oregon, United States
      • Special Metals Corporation Subsidiary · New Hartford, New York, United States
      • AETC LIMITED Subsidiary · Leeds, United Kingdom
      • CALEDONIAN ALLOYS LIMITED Subsidiary · Livingston, United Kingdom
      • Cannon-Muskegon Corporation Subsidiary · Muskegon, Michigan, United States
      • Centra Industries Inc. Subsidiary · Cambridge, Ontario, Canada
      • J & L Fiber Services, Inc. Subsidiary · Waukesha, Wisconsin, United States
      • KALISTRUT AEROSPACE Subsidiary · Saint-Vallier, France
      • PCC Airfoils, S.A. DE C.V. Subsidiary · Merida, Mexico
      • PCC DISTRIBUTION JAPAN K. K. Subsidiary · Machida Shi, Japan
      • PCC Specialty Products, Inc. Subsidiary · Wexford, Pennsylvania, United States
      • PCC UK FINANCE LIMITED Subsidiary · Leicester, United Kingdom
      • PRECISION CASTPARTS CORP.FRANCE Subsidiary · Ogéu-Les-Bains, France
      • PRECISION CASTPARTS CZ S.R.O. Subsidiary · Plzen, Czechia
      • S. P. S. INTERNATIONAL LIMITED Subsidiary · Shannon, Ireland
      • SHUR-LOK INTERNATIONAL Subsidiary · Verviers, Belgium
      • SPECIAL METALS WIGGIN LIMITED Subsidiary · Hereford, United Kingdom
      • SPS AEROSTRUCTURES LIMITED Subsidiary · Nottingham, United Kingdom
      • SPS TECHNOLOGIES LIMITED Subsidiary · Leicester, United Kingdom
      • TARPEY-HARRIS LIMITED Subsidiary · Ripley, United Kingdom
      • THE S.P.S. INTERNATIONAL LIMITED PENSION AND LIFE ASSURANCE PLAN Subsidiary · Shannon, Ireland
      • TIMET UK LIMITED Subsidiary · Birmingham, United Kingdom
      • WESTERN AEROSPACE LIMITED Subsidiary · Perth, Australia
      • WESTERN AUSTRALIAN SPECIALTY ALLOYS PTY. LTD. Subsidiary · Perth, Australia
      • Wyman Gordon Monterrey S. de R.L. de C.V. Subsidiary · Guadalupe, Mexico
      • WYMAN-GORDON LIMITED Subsidiary · Hereford, United Kingdom
    • Berkshire Hathaway GUARD Insurance Companies Subsidiary
    • biBERK Business Insurance Subsidiary · Omaha, United States
    • Borsheim's Fine Jewelry Subsidiary · Omaha
    • Business Wire Subsidiary · San Francisco
    • BVD Subsidiary · United States
    • Central States Indemnity Subsidiary
    • Dairy Queen Subsidiary · Edina
    • International Metalworking Companies Subsidiary · Galilee
    • ISCAR Metalworking Subsidiary · Western Galilee
    • Kirby Company Subsidiary · Cleveland
    • Kraft Heinz Subsidiary · Pittsburgh, Pennsylvania, United States
      • 161 more
    • Marmon Group Subsidiary · Chicago
      • 1 more
    • Pilot Flying J Subsidiary · Knoxville
      • 1 more
    • Scott Fetzer Company Subsidiary
    • Teva Pharmaceutical Industries Ltd. Subsidiary · Tel Aviv, Israel
      • 40 more
    • H. J. Heinz Company Stake · 26.8% · Pittsburgh, Pennsylvania, United States
      • 4 more
    • American Express Stake · 15.6% · New York, New York, United States
      • AMERICAN EXPRESS TRAVEL RELATED SERVICES CO INC New York, New York, United States
        • 7 more
      • 56th Street AXP Campus LLC Subsidiary · Arizona, United States
      • AAC Statutory Trust Subsidiary · Delaware, United States
      • AE Exposure Management Limited Subsidiary · Jersey
      • AE Innovation Labs Holdings, LLC Subsidiary · Delaware, United States
      • AEOCC Funding Australia Limited Subsidiary · Jersey
      • AEOCC Management Company Limited Subsidiary · Jersey
      • American Express (India) Private Limited Subsidiary · India
      • American Express (Malaysia) SDN. BHD. Subsidiary · Malaysia
      • American Express (Thai) Company Limited Subsidiary · Thailand
      • American Express Argentina S.A. Subsidiary · Argentina
      • American Express Asia Network Consulting (Beijing) Limited Company Subsidiary · China
      • American Express Australia Limited Subsidiary · Australia
      • American Express Bank LLC Subsidiary · Moscow, Russia
      • AMERICAN EXPRESS BANKING CORP. Subsidiary · New York, New York, United States
      • AMEX (Middle East) QFC LLC Subsidiary · Qatar
      • AMEX Assurance Company Subsidiary · Illinois, United States
      • AMEX Insurance Agency (Taiwan) Inc. Subsidiary · Taiwan
      • AXP Insurance Master Trust Subsidiary · New York, United States
      • Loyalty Partner Solutions GmbH Subsidiary · München, Germany
      • and 78 more
    • Moody's Corporation Stake · 12.6% · New York, New York, United States
      • 166 more
    • and 287 more

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries listed in Exhibit 21 of annual reports filed with the SEC; subsidiaries, stakes and holdings from Wikidata (CC0). Each entity in the chart links to its source.

Subsidiaries and ownership

Parent company

Former owners and parents

From Wikidata.1

Timeline

  1. 2008Acquired Acquired by Berkshire Hathaway1
  2. 1999Acquired Acquired by Marmon Group1
  3. 1969Acquired Acquired by Hubbell Incorporated1
  4. 1854Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

  1. 1
  2. 2
  3. 3