Skip to content

Alagasco

Alagasco was the trade name of Alabama Gas Corporation, a regulated natural-gas distribution utility serving residential, commercial, and industrial customers in northern and central Alabama.

Last updated August 25, 2026

AI crawler reads

No AI crawler has read this profile since Oct 28, 2026.

Overview

Alagasco was the operating brand of Alabama Gas Corporation, a natural-gas distribution utility headquartered in Birmingham, Alabama. Rather than functioning as a conventional consumer-goods brand, it represented a regulated infrastructure business that delivered natural gas through a regional distribution network and managed the associated metering, billing, maintenance, safety, and customer-service activities. The company served customers across northern and central Alabama, including households, businesses, and industrial users. At its peak, the utility supplied natural-gas energy to approximately 460,000 homes and businesses, making it one of the largest gas utilities in its territory. Its principal offering was not a range of packaged products but ongoing access to pipeline-delivered natural gas under the regulatory and operating framework applicable to public utilities. For many years, Alagasco operated as the natural-gas utility business of Energen Corporation. Energen maintained a broader energy portfolio, while Alagasco focused on the distribution of gas to end users in Alabama. The utility’s activities included maintaining local distribution infrastructure, connecting customers, transporting and delivering gas, reading meters, issuing bills, and supporting residential, commercial, and industrial accounts. In 2014, Energen sold Alabama Gas Corporation to The Laclede Group, a St. Louis-based energy company. The transaction transferred the Alagasco business and its customer relationships into Laclede’s utility portfolio. Laclede subsequently expanded its energy holdings and changed its corporate name to Spire in 2016; the broader corporate rebranding was reflected in the Alabama operation by 2017. The territory formerly associated with Alagasco is now operated under the Spire Alabama name. As a result, Alagasco no longer operates as the principal customer-facing brand. Its physical distribution operations and service territory continued under the successor organization, but the historical Alagasco identity was retired as Spire consolidated its utility businesses. The brand is therefore best understood as a defunct regional utility identity whose underlying assets and customer base were absorbed into Spire Alabama.

History

Alagasco was the trade name used by Alabama Gas Corporation, a regulated natural-gas distribution utility based in Birmingham, Alabama. Its service territory covered northern and central parts of the state. The business supplied pipeline natural gas to residential, commercial, and industrial customers and, at its peak, served approximately 460,000 homes and businesses. The company’s role was that of a regional utility rather than a conventional branded product manufacturer. Its operations depended on a local distribution system, customer connections, meters, billing systems, field maintenance, emergency response, gas procurement, and compliance with public-utility safety and rate regulations. The Alagasco name represented the complete customer relationship associated with those services. For an extended period, Alabama Gas Corporation operated as the natural-gas utility arm of Energen Corporation. Energen’s activities included other energy businesses, while Alagasco focused on delivering gas to end users in Alabama. This structure allowed the utility to retain a distinct regional identity while operating within Energen’s wider corporate group. A major ownership change occurred in 2014, when Energen sold Alabama Gas Corporation to The Laclede Group of St. Louis. The acquisition transferred Alagasco’s distribution network, customer base, and operating business to Laclede. The transaction was part of Laclede’s expansion of its regulated energy holdings and ended Alagasco’s association with Energen. The Laclede Group later adopted the corporate name Spire as it developed a broader and more unified identity for its gas businesses. By 2017, the Alabama operation formerly known as Alagasco was being presented as Spire Alabama Inc. The successor continued to operate the underlying Alabama gas utility business, but the Alagasco name ceased to be the principal operating brand. Consequently, Alagasco is a defunct brand in name but not a discontinued utility service. Its infrastructure and customer relationships continued through Spire’s Alabama organization. Public reference material does not establish a definitive original founding year, a complete list of executives, or a detailed chronology of every expansion and regulatory event, so those details are not included here.

  • 2017

    Alabama operation becomes Spire Alabama

    [1]

    The former Alagasco service territory was identified within Spire as Spire Alabama Inc., completing the transition away from the Alagasco brand.

  • 2016

    Laclede adopts the Spire name

    [2]

    The Laclede Group changed its corporate name to Spire as part of a wider effort to unify its energy businesses under one identity.

  • 2014

    Sale to The Laclede Group

    [1]

    Energen Corporation sold Alabama Gas Corporation, the company operating under the Alagasco name, to The Laclede Group.

Products and positioning

Regional regulated natural-gas utility serving residential, commercial, and industrial customers

  • Regulated utility service

    Natural-gas distribution

    Alagasco’s core offering was the distribution of pipeline natural gas through a regional utility network in northern and central Alabama. The service supported residential heating and cooking, commercial facilities, and industrial operations. Associated activities included customer connections, metering, billing, infrastructure maintenance, safety response, and account support. The service continued under Spire Alabama after the Alagasco name was retired.

Brand decisions

  • 2016

    Corporate rebranding under SpireStrategy

    Background

    Following the acquisition of Alagasco and other energy holdings, The Laclede Group pursued a more unified corporate identity.

    Action taken

    The Laclede Group changed its corporate name to Spire, with the Alabama utility later adopting Spire Alabama branding.

    Aftermath

    The Alagasco name was retired as the customer-facing identity, while the underlying Alabama gas utility continued within Spire.

  • 2014

    Sale of Alabama Gas Corporation to The Laclede GroupM&A

    Background

    Alagasco was Energen Corporation’s Alabama natural-gas utility business when Energen decided to sell Alabama Gas Corporation to The Laclede Group.

    Action taken

    Energen transferred ownership of Alabama Gas Corporation and its Alagasco operations to The Laclede Group.

    Aftermath

    Alagasco became part of Laclede’s utility portfolio, while its Alabama distribution operations continued under new ownership.

Sources2 sources

Cite this profile: Cite the canonical profile. /brand-wiki/alagasco · Editorial policy · How profiles are compiled