Best fortune-500 companies in Massachusetts

American Tower Corporation is a holding company. The company conducts its operations through its directly and indirectly owned subsidiaries and joint ventures. It is a wireless and broadcast communications infrastructure company that owns, operates and develops communications sites. Its primary business includes leasing antenna space on multi-tenant communications sites to wireless service providers, radio and television broadcast companies, wireless data providers, government agencies and municipalities and tenants in a number of other industries. This business is its rental and management operations. It also offer tower-related services domestically, including site acquisition, zoning and permitting services and structural analysis services, which primarily support its site leasing business and the addition of new tenants and equipment on its sites. In January 2012, the Company merged with and into American Tower REIT, Inc.

Established in 1989, Laser Concepts has earned a reputation for excellence as a service provider and offers exceptionally high-quality products. They provide inks, printers, fax machines, and copiers, to name a few. Aside from production, they also offer services.

Gillette Company produces and sells personal care products for men. Its products include power and manual razors and razor blades; shave gels, foams, and creams; skin care and aftershave products; antiperspirants and deodorants; and thermal scrubs, sensitive face wash products, intense cooling lotions, UV moisturizers, and body wash products. The Gillette Company was founded by King Camp Gillette in 1901 as a safety razor manufacturer. As of October 1, 2005, The Gillette Company operates as a subsidiary of The Procter & Gamble Company.

Heart Technologies is locally owned, with offices in East Peoria, Decatur and Springfield, Heart Technologies, Inc. customizes solutions in telephony, security and networking, specializing in education and major medical industries. Let Heart Technologies, Inc. work with you on your short-term and long-term technology goals and strategies.

Raytheon is a technology and innovation leader specializing in defense, homeland security and other government markets throughout the world. With a history of innovation spanning 87 years, Raytheon provides state-of-the-art electronics, mission systems integration and other capabilities in the areas of sensing; effects; and command, control, communications and intelligence systems, as well as a broad range of mission support services.

Thermo Fisher Scientific Inc. (NYSE: TMO) is the world leader in serving science. Their mission is to enable their customers to make the world healthier, cleaner and safer. With revenues of more than $10 billion, they have approximately 35,000 employees and serve customers within pharmaceutical and biotech companies, hospitals and clinical diagnostic labs, universities, research institutions and government agencies, as well as in environmental and process control industries. They create value for their key stakeholders through two premier brands, Thermo Scientific and Fisher Scientific, which offer a unique combination of continuous technology development and the most convenient purchasing options. Their products and services help accelerate the pace of scientific discovery, and solve analytical challenges ranging from complex research to routine testing to field applications.

Since 1912, Liberty Mutual Insurance have committed theirselves to providing broad, useful and competitively-priced insurance products and services to meet their customers' ever-changing needs. Their delivery on this commitment is the reason they're now the third largest property and casualty insurer in the U.S. based on 2012 direct premium written according to the National Association of Insurance Commissioners.

The TJX Companies, Inc. is the leading off-price retailer of apparel and home fashions in the U.S. and worldwide, ranking No. 115 in the most recent Fortune 500 listings. With over $27 billion in revenues in 2013, more than 3,200 stores in six countries and over 190,000 Associates, they see themselves as a global, off-price value retailer. TJX operates four major divisions: The Marmaxx Group (T.J.Maxx and Marshalls) and HomeGoods in the U.S.; TJX Canada (Winners, HomeSense and Marshalls); and TJX Europe (TK Maxx and HomeSense). In December 2012, TJX acquired Sierra Trading Post, an off-price Internet retailer.

We bring a fresh and dynamic approach to reinsurance in some of the world's most important and rapidly growing markets.

Staples Easy Rebates is an online platform that enables Staples customers to submit, track, and find rebates. It is managed by Staples, a U.S.-based office supply chain store.

MassMutual provides financial products such as life insurance, disability income insurance, long term care insurance, retirement/401 plan services, and annuities.

For more than 75 years, Global Partners LP, its subsidiaries and their predecessors have served the energy needs of businesses, industrial enterprises and government agencies throughout the Northeast. We have grown with our customers. Today, Global Partners LP, a FORTUNE 500 company, is a leader in the storage, distribution and marketing of energy products across the Northeast.

State Street is a leading financial services provider serving some of the world's most sophisticated institutions. They offer a flexible suite of services that spans the investment spectrum, including investment management, research and trading, and investment servicing.