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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 4.2
POSCO is a South Korean steel-making company headquartered in Pohang, South Korea. It had an output of 42,000,000 metric tons of crude steel in 2015, making it the world's fourth-largest steelmaker by this measure. In 2010, it was the world's largest steel manufacturing company by market value.
Zippia score 4.3
Charles River Laboratories International, Inc. provides solutions that accelerate the drug discovery and development process, including research models and associated services, and outsourced preclinical services. Segments The company has two segments: Research Models and Services (RMS) and Preclinical Services (PCS), which includes Phase I clinical services. RESEARCH MODELS AND SERVICES (RMS) The company supplies research models to the drug development industry. With approximately 150 different strains the company engages in the production and sale of research models, principally genetically and virally defined purpose-bred rats and mice. It also provides various related services that are designed to assist customers in supporting the use of research models in drug development. With multiple facilities located on three continents (North America, Europe and Asia (Japan)), the company maintains production centers, including a total of approximately 180 barrier rooms or isolator facilities located near its customers. RMS segment comprises Research Models, Research Model Services, and other related products and services
Zippia score 4.6
UniFirst Corporation is a uniform rental company based in Wilmington, Massachusetts, United States, that manufactures, sells, and rents uniforms and protective clothing.
Zippia score 4.8
OSRAM Sylvania Inc. is the North American operation of lighting manufacturer OSRAM. It was established in January 1993, with the acquisition of GTE's Sylvania lighting division by OSRAM GmbH.
Zippia score 4.6
Accellent Holdings Corp., through its subsidiary, offers design and engineering services, including product design engineering, design for manufacturability, analytical engineering, rapid prototyping, and pilot production and provides outsourced precision manufacturing and engineering services to the medical device industry in the cardiology, endoscopy, and orthopedic markets. The company was founded in 2005 and is based in Wilmington, Massachusetts.
Zippia score 4.6
World Travel Holdings has specialized in selling fantastic vacations to millions of customers for more than 25 years! WTH owns brands like CruisesOnly, Cruise411, Vacation Outlet and runs travel programs for major partner brands like Priceline, Orbitz, BJ's, JetBlue, American Airlines, Marriott, and many others. Our team of talented, passionate professionals is known for the remarkable experience we provide our customers. Through the years we have created industry-best brand partnerships, innovative technology, and relationships with the most recognizable and influential suppliers.
Zippia score 4.7
Tecomet is a contract manufacturing, engineering and metal fabrication technology company based in Wilmington, Massachusetts. The Company specializes in net shape forging, precision machining, photochemical etching, surface texturing, vacuum brazing, laser and electron beam welding, and rapid prototyping. Tecomet is ISO13485, ISO9001, and AS9100 certified and has over 45 years of experience supplying precision engineered components and assemblies to the medical, aerospace/defense, and commercial/industrial markets, with special emphasis on orthopedic, trauma, and spinal implants.
Zippia score 4.3
Koch Separation Solutions (KSS) offers innovative liquid-solid separation technologies for product recovery, purification, and wastewater treatment.
Zippia score 4.6
Heilind Electronics is one of the world's distributors of connectors, relays, switches, thermal management & circuit protection products, terminal blocks, wire & cable, wiring accessories and insulation & identification products. Heilind has 25 North American sales offices, two automated distribution centers and a highly versatile value-added center.
Zippia score 4.1
Mks Msc, Inc. operates as a subsidiary of MKS Instruments, Inc.
Zippia score 4.5
Sovos' tax compliance & regulatory reporting software combines determination, e-invoicing compliance and tax reporting in a global solution.
Zippia score 4.3
DB Roberts is a leader in fastener distribution, providing solutions for fastener applications in Sheet Metal, Metalworking and Industrial Electronics.
Zippia score 3.9
Building High-Performance Web, Mobile & Microservices Applications from year 2006. Our focus area is crafting serverless, scalable, performance optimized, highly available, Secure & Distributed Web/Mobile applications.
Zippia score 3.6
Founded in 1952, Pacific Packaging Products provides expert business solutions to increase our customers' competitive edge and profitability.
Zippia score 4.0
Controlling fills and eliminating spills with dynamic, fail-safe fluid detection and handling systems.
Zippia score 4.6
With over 15 years of experience, Symbotic provides proven, cutting edge robotics and automation technology to increase the supply chain efficiency for the largest retailers and wholesalers in North America, ultimately delivering better and faster serv...
Zippia score 3.6
Dagle Electrical Construction Corp. is a special trade contractor primarily engaged in electrical work at the site.
Zippia score 4.2
Solution IT is a nationwide technology consulting firm working with IT Staffing, IT Recruiting and Oracle EBS Solutions.
Zippia score 4.4
They are constantly evolving better science by applying the latest advances in genomics and synthetic biology to help reduce costs, simplify workflows and improve results. Their core protein engineering technologies enable us to tailor enzymes to suit specific applications in next-generation DNA and RNA sequencing, DNA amplification and molecular diagnostics. Biomedical research is no longer limited by the constraints of native enzyme structure or function.
Zippia score 3.8
Executive Offices
Zippia score 4.4
FedEx provides customers and businesses worldwide with a broad portfolio of transportation, e-commerce and business services. They offer integrated business applications through operating companies competing collectively and managed collaboratively, under the respected FedEx brand. Consistently ranked among the world's most admired and trusted employers, FedEx inspires its more than 290,000 employees to remain absolutely, positively focused on safety, the highest ethical and professional standards and the needs of their customers and communities.
Zippia score 4.7
Koch Industries, Inc. is an American multinational corporation based in Wichita, Kansas. Its subsidiaries are involved in the manufacturing, refining, and distribution of petroleum, chemicals, energy, fiber, intermediates and polymers, minerals, fertilizers, pulp and paper, chemical technology equipment, ranching, finance, commodities trading, and investing. Since its inception, Koch Industries has been committed to improve people's lives by creating better products using fewer resources.
Zippia score 4.3
Textron Inc. is a multi-industry company that leverages its global network of aircraft, defense, industrial and finance businesses to provide customers with innovative solutions and services. Textron is known around the world for its powerful brands such as Bell, Cessna, Beechcraft, Hawker, Jacobsen, Kautex, Lycoming, E-Z-GO, Arctic Cat, Textron Systems, and TRU Simulation. Training.
Zippia score 4.4
L3Harris Technologies is an American technology company, defense contractor, and information technology services provider that produces C6ISR systems and products, wireless equipment, tactical radios, avionics and electronic systems, night vision equip...
Zippia score 4.6
Analog Devices (NYSE: ADI) defines innovation and excellence in signal processing. ADI's analog, mixed-signal, and digital signal processing (DSP) integrated circuits (IC) play a fundamental role in converting, conditioning, and processing real-world phenomena such as light, sound, temperature, motion, and pressure into electrical signals to be used in a wide array of electronic equipment. But that doesn't begin to capture the essence of what Analog Devices does for their customers, and ultimately for the end user.
Zippia score 4.2
Our Mission is to define excellence within the health care community. We treat residents, their families and each other with respect, dignity and compassion. We strive to lead the industry by delivering superior clinical outcomes and exceptional care in exceptional settings. CareOne accomplishes its Mission through ethically responsible practices that support the delivery of superior clinical care and service to our customers. - See more at: http://care-one.com/
Zippia score 4.6
Acuity Brands, Inc. (NYSE: AYI) is the North American market leader and one of the world's leading providers of lighting and building management solutions for commercial, institutional, industrial, infrastructure, and residential applications throughout North America and select international markets. With fiscal year 2017 net sales of $3.5 billion, Acuity Brands currently employs over 12,000 associates and is headquartered in Atlanta, Georgia with operations throughout North America, and in Europe and Asia. The Company's lighting and building management solutions vary from individual devices to intelligent network systems. Individual devices include luminaires, lighting controls, lighting components, controllers for various building systems (including HVAC, lighting, shades and access control), power supplies, and prismatic skylights. Among other benefits, intelligent network systems can optimize energy efficiency and comfort as well as enhance the occupant experience for various indoor and outdoor applications, all the while reducing operating costs. Additionally, the Company continues to expand its solutions portfolio, including software and services, to provide a host of other economic benefits resulting from data analytics that enables the “Internet of Things” ("IoT") and supports the advancement of smart buildings, smart cities, and the smart grid. Their century of tradition, their current financial strength and their commitment to a sustainable future, provides us with an opportunity to grow, innovate and further capture the rapidly growing market opportunities before us.
Zippia score 4.6
Belcan Corp. is global supplier of engineering services to a diverse spectrum of industries. With more than 3,000 engineers and 20 locations, we are among the largest engineering companies in the U.S.
Zippia score 4.3
Integer Holdings Corporation is the largest medical device outsource (MDO) manufacturer in the world serving the cardiac, neuromodulation, orthopedics, vascular, advanced surgical and power solution markets. This company provides innovative, high-quality medical technologies that enhance the lives of patients worldwide. In addition, it develops batteries for high-end niche applications in energy, military, and environmental markets. Integer's brands include Greatbatch Medical, Lake Region Medical and Electrochem.
Zippia score 4.6
Graybar, a Fortune 500 company, specializes in supply chain management services and is a leading North American distributor of high-quality components, equipment and materials for a number of industries. With $6 billion in revenue (2014), Graybar employs thousands of men and women at more than 260 North American distribution centers. As one of North America's largest employee-owned companies, Graybar has the power and stability of a big company coupled with the integrity and drive of a neighborhood business. Founded in 1869, Graybar procures, warehouses, and delivers tens of thousands of electrical supplies, communications and data products, components and related services to its customers. Graybar stocks and sells hundreds of thousands of items from thousands of manufacturers. Graybar serves customers in the construction market, the commercial, institutional and government (CIG) market, and the industrial and utility markets, with products and services that support new construction, infrastructure updates, building renovation, facility maintenance, repair and operations, and original equipment manufacturing. Through its distribution network and value-added services, including kitting and integrated solutions, Graybar is helping its customers to power and network their facilities with speed, intelligence and efficiency. By adding sophisticated logistics and project management to its operations, Graybar has become a vital link in America's supply chain.
Zippia score 4.5
Sunrun, founded in 2007 in San Francisco, CA, is the largest residential solar company in the United States that provides clean energy to homeowners with little to no upfront cost and at a savings to traditional electricity. Sunrun buys the solar system, installs it on customers' roof, and monitors and maintains the solar panels for the next 20 years. The company's goal is to create a planet run by the sun. Sunrun provides services in 23 US states, and employs more than 3,000 people.
Zippia score 4.4
Crate and Barrel Holdings is an international home decor store headquartered in Northbrook, Illinois.
Zippia score 4.8
MKS Instruments has made very successful acquisitions to expand the product offerings. Learn more at www.mksinst.com
Zippia score 4.4
Monogram Foods Solutions is a leading manufacturer and marketer of value-added meat products, snacks and appetizers. Monogram specializes in strategic co-packing, private label and branded business, with both owned brands and licensed brands. Monogram's broad portfolio of products includes beef jerky, bacon jerky, turkey jerky, meat sticks, pickled sausages and pickled eggs, smoked sausage, hotdogs, pre-cooked bacon, bacon, corndogs, mini corndogs, pancake and sausage, potato skins, onion rings, breaded cheese strips, cheese curds, jalapeno poppers, breaded mushrooms, breaded vegetables, and other value-added foods.
Zippia score 4.8
The Lahey Hospital & Medical Center, formerly known as the Lahey Clinic, is a physician-led nonprofit teaching hospital of Tufts University School of Medicine based in Burlington, Massachusetts. The hospital was founded in Boston in 1923 by surgeon Frank H. Lahey, M.D., and is managed by Beth Israel Lahey Health.
Zippia score 4.8
Since 1988, MTS Services has provided state-of-the-art structured cabling installations, including telecommunication room/technology refresh work throughout New England and the Carolinas.
Zippia score 4.2
May Institute is a nonprofit organization that provides educational, rehabilitative, and behavioral healthcare services to children and adults with autism spectrum disorders and other developmental disabilities, brain injury, mental illness, and other ...
Zippia score 4.0
Alta Equipment Company is a provider of industrial forklifts, heavy construction equipment and warehouse solutions.
Zippia score 4.4
Engineering & Design Services, is based in Orlando, Florida. Harper Building Systems, a Holdings, Inc. company, operates throughout Florida with offices in Tampa and Lake Mary, North of Orlando. Our approximately 1,500 employees strive to be the customer's 1st Choice in terms of the services provided, vertical markets and geographies served. Since 1901, our commitment to safety, advanced technology, human development and reliable execution has enabled to attract and retain the industry's top leadership talent, skilled craftspeople and professional management staff .
Zippia score 4.5
It was 2004 when Trinity Heating and Air, Inc. became Trinity Solar, bringing a decade of experience and well-earned accolades to the solar industry. Since then, Trinity has installed over 20,000 solar power systems, grown to over 1,000 employees, has ...
| Rank | Company | Zippia score |
|---|---|---|
| 1 | Posco | |
| 2 | Charles River Labs | |
| 3 | UniFirst | |
| 4 | Osram Sylvania | |
| 5 | Accellent Holdings Corp. | |
| 6 | World Travel Holdings | |
| 7 | Tecomet | |
| 8 | Koch Separation Solutions | |
| 9 | Heilind Electronics | |
| 10 | Mks Msc Inc | |
| 11 | Sovos | |
| 12 | DB Roberts | |
| 13 | ktree.com | |
| 14 | Pacific Packaging Products | |
| 15 | Scully Signal | |
| 16 | Symbotic | |
| 17 | Dagle Electrical Construction Corp | |
| 18 | Solution IT | |
| 19 | Kapa Biosystems | |
| 20 | Town of Wilmington |