Alliant Energy Corporation (NASDAQ: LNT) is an energy holding company with more than 4,000 employees. Our top priority is providing nearly 953,000 homes, farms, and businesses in Iowa and Wisconsin with safe, reliable energy and power in a variety of sustainable forms. Honored in Newsweek’s 2023 list of America’s Most Responsible Companies. Our corporate headquarters are located in Madison, Wisconsin. Additional general offices are located in Cedar Rapids and Dubuque, Iowa. We provide inclusive work environments, and are proud to be an Equal Opportunity Employer. We recognize and respect diversity. We appreciate the differences and perspectives a diverse culture brings to the work environment, the company and our customers. Alliant Energy is a responsible corporate citizen. We are careful stewards of the environment, we support the communities in which we do business and we aggressively pursue emerging technology and safe, sustainable methods of energy production.

Retirement Benefits Rank

Market Laggard

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WISCONSIN POWER & LIGHT COMPANY

Madison, Wisconsin

51-200 employees

Wisconsin Power and Light Co is an utilities company based out of 1521 Progress Ln, Stoughton, Wisconsin, United States.

Retirement Benefits Rank

Top Benefits

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MADISON GAS & ELECTRIC COMPANY

Madison, Wisconsin

500+ employees

Madison Gas and Electric (MGE) is a regulated natural gas and electric utility headquartered in Madison, Wis, the state capital and home to the University of Wisconsin-Madison. MGE is the primary asset of MGE Energy (Nasdaq: MGEE), an investor-owned public utility holding company. MGE’s roots in the community date back to 1855. Madison Gas and Electric generates and distributes electricity to 146,000 customers in Dane County, and purchases and distributes natural gas to 152,000 customers in seven south-central and western Wisconsin counties. As your community energy company, we are committed to this area and its people.

Retirement Benefits Rank

Top Benefits

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INDECK ENERGY SERVICES, INC

Buffalo Grove, Illinois

51-200 employees

Indeck Energy Services, Inc. was established in 1985 as an Independent Power Producer and developer of cogeneration plants. Indeck is one of the leading developers, owners and operators of energy facilities and independent power projects in North America. Indeck is privately held and incorporated in Illinois, with its headquarters located in the suburbs of Chicago. Indeck owns, has owned, or has developed over 4,000 MW of electric generation assets, and currently owns and operates 350 MW across six electric power generation facilities in various U.S. markets.

Retirement Benefits Rank

Below Market

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DUKES ROOT CONTROL, INC.

Elgin, Illinois

201-500 employees

Duke’s is a leading provider of environmental services for maintaining and improving the health of underground infrastructure for wastewater, stormwater, water, and utilities. For over 75 years, Duke’s has been trusted by more than 2,000 municipalities and customers to help provide continuity of service in a cost effective and safe manner. The Duke’s team of over 400 professionals apply innovative technology and experience to inspect, monitor, diagnose, and prescribe programs to prolong the life of existing underground infrastructure.

Retirement Benefits Rank

Below Market

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TOTAL MECHANICAL, INC.

Pewaukee, Wisconsin

201-500 employees

TOTAL Mechanical is a single-source mechanical contractor, specializing in the design, engineering, manufacturing, installation, maintenance and repair of commercial, industrial and residential environmental systems and controls. TOTAL Mechanical is your TOTAL resource. Offering essential services in electrical, fire protection, HVAC, plumbing and building automation systems, we have the expertise and experience to provide complete mechanical contracting services on any size building project. Our commitment to you, our customer, begins with developing the most effective and efficient solutions for your mechanical system requirements. Our commitment continues with fully-coordinated field services by the most highly-regarded team in the industry. Our commitment is not fulfilled until we assure your complete satisfaction, including comprehensive system commissioning and individualized owner training.

Retirement Benefits Rank

Market Laggard

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MARLO INCORPORATED OF RACINE, WISCONSIN

Racine, Wisconsin

51-200 employees

For 50 years, Marlo Incorporated has engineered and manufactured high quality water treatment equipment for a wide variety of residential, commercial, and industrial applications. Our extensive product line includes media filters, water softeners, dealkalizers, deionizers, condensate polishers and reverse osmosis (RO) systems. All equipment is available in our standard catalog models or specially engineered to detailed customer specifications. Our friendly and experienced sales staff are ready to assist you in product design and selection for your specific application.

Retirement Benefits Rank

Market Competitive

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DYNAMIC RATINGS INC

Sussex, Wisconsin

51-200 employees

Dynamic Ratings is dedicated to providing monitoring, control, and communication solutions for electrical apparatus. Helping utilities address the various challenges associated with successfully deploying and managing their Condition Based Monitoring programs is the foundation of our business. We provides products and services to help utilities collect and use condition based monitoring information on their high voltage electrical equipment, improving their business performance. Dynamic Ratings, Inc. is an ISO 9001:2008, ISO 14001, and OHSAS 18001 certified company. We hire individuals with the capacity to serve others and work hard. We operate as a family and value the input of all members of the team. Our team exhibits complete integrity and the desire to be active in the industries and communities in which we live and serve. All team members are encouraged to participate in lifelong learning. As such, employees benefit from frequent, company sponsored training's as part of our annual growth planning to prepare us meet the challenges of the global customers we serve. Americas: +1 262 746 1230 Asia / Africa / Oceania: +61 3 9574 7722 Europe: +44 1617 681111 Hear from some of our employees about what it's like to work here: https://youtu.be/9skmc5Z8zjI

Retirement Benefits Rank

Market Leading

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ATC MANAGEMENT INC

Waukesha, Wisconsin

11-50 employees

Artist Management and Music Consultancy company based in London & Los Angeles, with offices in New York & Copenhagen. Spotify: https://play.spotify.com/user/atc_management Facebook: https://www.facebook.com/atcmanagement?fref=ts Twitter: @ATCmanagement Instagram : https://www.instagram.com/atcmanagement/

Retirement Benefits Rank

Market Competitive

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WEC ENERGY GROUP, INC.

Milwaukee, Wisconsin

500+ employees

WEC Energy Group is one of the nation’s largest electric and natural gas delivery companies, with deep operational expertise, scale and financial resources to meet the region’s future energy needs. We focus on reliable service, customer satisfaction and shareholder value. Our regulated utility subsidiaries include Michigan Gas Utilities, Minnesota Energy Resources, North Shore Gas, Peoples Gas, Upper Michigan Energy Resources, We Energies and Wisconsin Public Service. Together, we provide vital services to nearly 4.4 million customers in Wisconsin, Illinois, Michigan and Minnesota. Our scale and geographic proximity allow for operating efficiency across our 70,000 miles of electric distribution lines, 44,000 miles of natural gas distribution and transmission lines, and 8,800 megawatts of reliable power plant capacity. We’re committed to delivering world-class reliability and the very best customer care – anywhere. Our customers are at the heart of our business, and we work every day to help grow and support the communities we serve. As a Fortune 500 company, we value and develop our employees who are making a difference in a mission that matters. We have operating headquarters in Green Bay and Milwaukee, Wisconsin, and Chicago, Illinois. Our stock trades on the New York Stock Exchange under the symbol WEC.

Retirement Benefits Rank

Market Competitive

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WEC ENERGY GROUP, INC.

Milwaukee, Wisconsin

500+ employees

Retirement Benefits Rank

Market Competitive

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UNITED LIQUID WASTE RECYCLING INC

Clyman, Wisconsin

51-200 employees

United Liquid Waste Recycling is a family owned and operated business that handles a wide variety of waste recycling services including Municipal Sludge, Digester Cleaning, High Strength Waste, Manure Pit Cleaning, and more.

Retirement Benefits Rank

Market Laggard

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WATERTECH OF AMERICA, INC.

Greenfield, Wisconsin

11-50 employees

Watertech's products and services include raw water preparation for process, wastewater treatment, and cooling and boiler system treatment programs. The goal of Watertech’s services is the proper control of corrosion, scale formation and microbiological fouling in water systems to both protect the useful life of the asset as well as minimize costs associated with water and energy.

Retirement Benefits Rank

Top Benefits

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