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We figured out the best fortune 500 companies to work for in New Hampshire using data on salaries, company financial health, and employee diversity. You can also search for the best fortune 500 companies to work for in any other state or city.

Zippia score 4.7
For over 40 years, Animal Health International, Inc. has been the premier animal health service provider in North America. The company represents over 1,000 manufacturers that supply products focused on beef and dairy cattle, equine, poultry, and swine. Moreover, this reliable business offers products ranging from vaccines and pharmaceuticals to high-technology art equipment and software.
Zippia score 4.7
Founded in 2004, Anthem Inc. has been the largest for-profit managed health care company in the Blue Cross and Blue Shield Association. Headquartered in Indianapolis, Indiana, Anthem, Inc. delivers a number of leading health benefit solutions through a broad portfolio of integrated health care plans and related services. This American health insurance company also offers specialty products such as life and disability insurance benefits, dental, vision, behavioral health benefit services, and more.
Zippia score 4.6
Merck is a biopharmaceutical company that offers medicines and vaccines for various diseases. The company is driven by a mission to discover, develop, and provide innovative products and services that save and improve lives around the world. Merck delivers vaccines, medications, and consumer and animal health products that can help millions around the world. Merck was founded in 1891 and is headquartered in Kenilworth, NJ.
Zippia score 4.6
Texas Instruments is a global analog and digital semiconductor IC design and manufacturing company. In addition to analog technologies, digital signal processing (DSP) and microcontroller (MCU) semiconductors, this innovative company designs and manufactures semiconductor solutions for analog and digital embedded, application processing, and Education Technology.
Zippia score 4.5
Robert Half is a professional services company and is the world's first and largest accounting and finance staffing firm. The company was founded by Robert Half in 1948 by providing professional staffing services. Robert Half is also now involved in risk consulting and internal audit services in addition to its human resources consultancy business. The company reported revenues of US$4.2 billion for the fiscal year 2013.
Zippia score 4.5
Northwestern Mutual has been helping people and businesses achieve financial security for more than 160 years. Through a holistic planning approach, Northwestern Mutual combines the expertise of its financial professionals with a personalized digital experience and industry-leading products to help its clients plan for what's most important. Northwestern Mutual delivers financial security to millions with life, disability income and long-term care insurance, annuities, and brokerage and advisory services. The company manages billion of dollars of investments owned by its clients and held or managed through its wealth management and investment services businesses. Northwestern Mutual is the marketing name for The Northwestern Mutual Life Insurance Company (NM), Milwaukee, WI (life and disability insurance, annuities, and life insurance with long-term care benefits) and its subsidiaries. Subsidiaries include Northwestern Mutual Investment Services, LLC (NMIS) (securities), broker-dealer, registered investment adviser, member FINRA and SIPC; the Northwestern Mutual Wealth Management Company (NMWMC) (fiduciary and fee-based financial planning services), federal savings bank; and Northwestern Long Term Care Insurance Company (NLTC) (long-term care insurance).
Zippia score 4.5
Following its 2012 merger with Boston-based NSTAR, Northeast Utilities had more than 4,270 circuit miles of electric transmission lines, 72,000 pole miles of distribution lines, and 6,459 miles of natural gas pipeline in New England.
Zippia score 4.5
Comcast is one of the nation's leading providers of communications, entertainment and cable products and services. Headquartered in Philadelphia, PA, they employ over 100,000 employees nationwide whose goal is to deliver the highest level of service and improve the customer experience. Their products and services provide a significant value and are scalable to meet the needs of your organization. They treat customer service with the utmost importance; as such, they assign a dedicated account executive to your account to ensure the best customer experience. Their network is built to serve your business today and well into the future. So when you need carrier-grade data and Internet services for business-critical applications, choose America's leading enhanced fiber optic network, with speeds up to 100 Gbps, high reliability, and scalability.
Zippia score 4.4
Rockwell Automation, the world's largest company dedicated to industrial automation and information, makes its customers more productive and the world more sustainable. Throughout the world, their flagship Allen-Bradley and Rockwell Software product brands are recognized for innovation and excellence.
Zippia score 4.4
Fiserv is a global organization with more than 13,000 clients and 21,000 associates worldwide and takes pride in its mission to enable clients to achieve best-in-class results. The company is highly regarded for its financial services technology and services innovation, including award-winning solutions for mobile and online banking, payments, risk management, data analytics and core account processing. Fiserv is helping its clients push the boundaries of what's possible in financial services, delivering deep expertise and innovative solutions to help financial institutions, businesses and consumers move and manage money faster and with greater ease than ever before.
Zippia score 4.0
In 1976, Sunset Point Animal Hospital opened when Dr. Tom Tallon decided to locate a veterinary hospital on Sunset Point Road. As the years progressed, the veterinary hospital grew. Eventually, the hospital chartered the first spay and neuter program for the Humane Society of North Pinellas. Sunset Point Animal Hospital takes pride in its experienced and well-rounded employees.