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

Zippia score 4.6
SK Holding Company, Inc. was incorporated in 2003 and is based in the United States. SK Holding Company, Inc. operates as a subsidiary of Clean Harbors, Inc.
Zippia score 4.8
Clean Harbors is the leading provider of environmental, energy and industrial services throughout North America. The Company serves over 50,000 customers, including a majority of the Fortune 500 companies, thousands of smaller private entities and numerous federal, state, provincial and local governmental agencies. Within Clean Harbors Environmental Services, the Company offers Technical Services and Field Services. Technical Services provide a broad range of hazardous material management and disposal services including the collection, packaging, transportation, recycling, treatment and disposal of hazardous and non-hazardous waste. Field Services provide a wide variety of environmental cleanup services on customer sites or other locations on a scheduled or emergency response basis. Within Clean Harbors Energy and Industrial Services, the Company offers Industrial Services and Exploration Services. Industrial Services provide industrial and specialty services, such as high-pressure and chemical cleaning, catalyst handling, decoking, material processing and industrial lodging services to refineries, chemical plants, pulp and paper mills, and other industrial facilities. Exploration Services provide exploration and directional boring services to the energy sector serving oil and gas exploration, production, and power generation. Headquartered in Norwell, Massachusetts, Clean Harbors has more than 175 locations, including over 50 waste management facilities, throughout North America in 36 U.S. states, seven Canadian provinces, Mexico and Puerto Rico. The Company also operates international locations in Bulgaria, China, Singapore, Sweden, Thailand and the United Kingdom.
Zippia score 4.7
The Computer Merchant Ltd. (TCM) is a veteran-owned, national provider of technology staffing and workforce solutions across the US.
Zippia score 4.0
Welch Senior Living offers independent living, assisted living, and assisted living memory care in senior living communities south of Boston.
Zippia score 3.9
Bluestone Energy Services, LTD (Bluestone) has been in operation since 1990 providing professional engineering and project development services for utility, industrial and commercial clients. Our engineers have identified, developed, and implemented thousands of lighting, HVAC, and process energy conservation projects. Although energy savings drives much of our work, we also provide HVAC system diagnostic analysis and remedial design services to alleviate operating deficiencies. Bluestone will provide all services in the development of projects from conception through construction and start-up.
Zippia score 3.9
Zippia score 3.8
With offices across Boston, North Shore, Metrowest, South Shore, Cape Cod and the South Coast, Jack Conway & Co. Real Estate provide quality one-stop real estate and mortgage services to our customers and clients.
Zippia score 4.2
Stonecrop Technologies, LLC is primarily engaged in furnishing business consulting services, not elsewhere classified, on a contract or fee basis.
Zippia score 4.0
AcadiaSoft Inc. develops and markets derivatives and collateral management solutions for institutional investors. By listening to the market and its customers, AcadiaSoft has developed a solution that combines disparate sources of information that maximizes organizational efficiency and meets the ever increasing financial scrutiny that comes from shareholders, bond holders and regulators worldwide.
Zippia score 3.5
Visit Sullivan Tire & Auto Service for all your auto repair needs. From oil changes to new tire installations, be sure to schedule service at Sullivan Tire.
Zippia score 3.5
Mortgage Solutions, Refinancing & Insurance
Zippia score 4.0
Carex Health Brands has been the branded leader in in-home self-care medical products for over 20 years. Their goal is to provide innovative products that bring dignity and ease of use to all consumers. With their six nationally distributed brands, Carex Health Brands serves national, regional and independent food, drug and mass retailers along with wholesalers, distributors and medical dealers.
Zippia score 4.1
Founded in 1974, SIGNET is the largest privately held systems integrator in New England. They support their customers' projects by providing complete integration solutions including design, build, installation, training, technical support and service.Their offices are located in Massachusetts, Maine and Rhode Island. With over 140 employees, and a fully equipped fleet of over 60 service vehicles, we are New England's premier integrator of mission-critical technologies.
Zippia score 3.8
Solve for borrower noise. modern insurance tracking, Top lender insurance tracking, insurance certificate tracking, insurance tracking services for banks
Zippia score 4.0
D-tree is a leader in leveraging technology to make quality care a reality for families in under-served communities around the world. By implementing mobile-based, standardized protocols and decision support tools that enable task-shifting to front-lin...
Zippia score 3.4
Award-winning Company Theatre serving the South Shore and Southeastern Massachusetts
Zippia score 3.7
Zippia score 4.7
Batelle conducts research and development, manages laboratories, designs and manufactures products for government and commercial customers. By applying science and technology, its innovative applications have significant societal and economic impacts. Since its founding in 1929, Battelle has been serving the national security, health and life sciences, energy and environmental industries.
Zippia score 4.7
South Shore Hospital is a 396-bed hospital located in Weymouth, Massachusetts.
Zippia score 3.4
Alera Group is an independent, national insurance and financial services firm created through a merger of 24 like-minded, high-performing, entrepreneurial firms across the United States. Their Mission is to transform the client experience by providing a greater depth and breadth of tools and resources, education, innovative thinking and constant collaboration. They are committed to enhancing our service offering through national peer collaboration while maintaining their ability to provide our clients the experience and positive outcomes they've come to value.
Zippia score 3.6
Autism Learning Partners is a full service provider that specializes in the treatment of autism and other developmental disabilities. Their broad thinking approach addresses the whole child by collaborating with doctors, therapists, schools and specialists.
Zippia score 3.9
Not Your Average Joe's is a unique neighborhood place, featuring a menu of made-from-scratch creative comfort classics at a good old-fashioned value.
Zippia score 4.4
PartyLite tradition of making the world's finest candles dates back more than a century to the heart of New England, where American candle making has its roots. Today, our company is the global number one party plan company, selling candles and home décor in over 20 countries-in Europe, North America, and Australia-through direct selling at parties and online via a network of almost 45,000 independent consultants.
Zippia score 4.5
Rockland Trust is a commercial bank based in Rockland, Massachusetts that serves Southeastern Massachusetts, Coastal Massachusetts, Cape Cod, and Boston's MetroWest.
Zippia score 4.1
CHA Consulting, Inc. is an international engineering consulting firm headquartered in Albany, New York.
Zippia score 4.2
Cross Financial Corp. through its subsidiaries provide insurance agency services for commercial and personal property, employee benefits, and surety bonds. The company was founded in 1997 and is based in Bangor, Maine.
Zippia score 4.7
Burns & Levinson is a full-service, Boston-based law firm that has been guiding clients toward success since 1960.
Zippia score 3.8
ConsumerMedical™ provides employees and their dependents with the personalized information and support they need to navigate the healthcare system and become more confident healthcare consumers. We help our members address the five most important questions in healthcare: 1) What do I have? 2) What do I need? 3) Where do I go? 4) What does it cost? 5) How do I connect? Learn more at www.consumermedical.com.
Zippia score 4.4
William Raveis Real Estate are your property experts for buying homes in Connecticut and the surrounding states. Ready to buy a home, call us today!
Zippia score 3.8
To provide the industry's best power supplies. Our excellent reputation in european and asian marketplaces has been long known for our insistence on high quality and complete reliability.
| Rank | Company | Zippia score |
|---|---|---|
| 1 | SK Holding Company, Inc. | |
| 2 | Clean Harbors | |
| 3 | The Computer Merchant | |
| 4 | Welch Senior Living Corporate | |
| 5 | OpTerra Energy Services C&I Division formerly Bluestone Energy Services | |
| 6 | Collection Co of America Inc | |
| 7 | Jack Conway | |
| 8 | Stonecrop Technologies | |
| 9 | AcadiaSoft | |
| 10 | Sullivan Tire and Auto Service | |
| 11 | radius financial group | |
| 12 | Carex Health Brands | |
| 13 | SIGNET Electronic Systems | |
| 14 | Miniter Group | |
| 15 | D-tree International | |
| 16 | The Company Theatre | |
| 17 | Contravisory Investment Management |