biggest companies in Boston, MA

Allied Universal provides unparalleled service, systems, and solutions to serve, secure, and care for the people and businesses in their communities. Their relationships with their employees and clients are at the heart of everything they do, each and every day. This dependable company offers security services, security systems, janitorial and staffing services.

Accenture is a global management consulting, technology services and outsourcing company, with approximately 204,000 people serving clients in more than 120 countries. Combining unparalleled experience, comprehensive capabilities across all industries and business functions, and extensive research on the world's most successful companies, Accenture collaborates with clients to help them become high-performance businesses and governments.

G4S is the world's leading international security solutions group. They specialise in outsourced business processes in sectors where security and safety risks are considered a strategic threat. G4S has a truly global business with large established market positions in developed markets and outstanding positions in fast growing emerging markets G4S has a unique global footprint with operations in over 110 countries, including a strong presence in higher growth developing markets. G4S employ 623,000 people world-wide, and are the largest security solutions provider in the world. Whether you require a security solution in one location or across multiple continents, their global experience is always on hand to bring you advantages.

Compass Group plc is a British multinational contract foodservice company headquartered in Chertsey, England.

Target Corporation is the second-largest department store retailer in the United States. Headquartered in Minneapolis, Minnesota, this company serves guests at over 1,800 stores and at Target. Com. Since 1946, this company has given five percent of its profit to communities which today equals millions of dollars a week. Target Corporation has around 10,000 employees and a revenue of up to $1 billion.

DHL International GmbH is an American-founded German company which is now the international courier, parcel, and express mail division of the German logistics company Deutsche Post DHL. Deutsche Post DHL is the world's largest logistics company, particularly in sea and air mail.

U.S. Deparment of Homeland Security is a Cabinet department of the United States federal government which is focused on homeland security to ensure a homeland that is safe, secure, and resilient against terrorism and other hazards. U.S. Department of Homeland Security combines 22 different federal departments and agencies into a unified, integrated cabinet agency. Their mission to secure the nation requires the dedication of more than 225,000 employees in jobs that range from aviation and border security to emergency response from cyber security analyst to chemical facility inspector. The foundation of national homeland security strategy designed to achieve homeland security relies on the three key concepts of security; resilience; and customs and exchange. In turn, these key concepts drive broad areas of activity that the Quadrennial Homeland Security Review (QHSR) process defines as homeland security missions. Their main areas of responsibility are Guarding against Terrorism; Securing their Borders; Enforcing their Immigration Laws; Improving their Readiness for; Response to and Recovery from Disasters; and Maturing and Unifying the Department. U.S. Deparment of Homeland Security was established in 2002.

Deloitte is the brand under which tens of thousands of dedicated professionals in independent firms throughout the world collaborate to provide audit, consulting, financial advisory, risk management, tax and related services to select clients. These firms are members of Deloitte Touche Tohmatsu Limited, a UK private company limited by guarantee (“DTTL”). Each DTTL member firm provides services in particular geographic areas and is subject to the laws and professional regulations of the particular country or countries in which it operates. Each DTTL member firm is structured in accordance with national laws, regulations, customary practice, and other factors, and may secure the provision of professional services in its territory through subsidiaries, affiliates, and other related entities. Not every DTTL member firm provides all services, and certain services may not be available to attest clients under the rules and regulations of public accounting. DTTL and each DTTL member firm are legally separate and independent entities, which cannot obligate each other. DTTL and each DTTL member firm are liable only for their own acts and omissions, and not those of each other. DTTL (also referred to as “Deloitte Global”) does not provide services to clients. The DTTL member firm in the United States is Deloitte LLP. Deloitte's offices in New York have over 5,000 professionals in Audit, Advisory, Financial Advisory Services, Tax, and Consulting. Deloitte's U.S. headquarters at 30 Rockefeller Plaza in Manhattan was awarded the U.S. Green Building Council's Leadership in Energy and Environmental Design (LEED) Certification at the Gold level for commercial interiors in 2013. Deloitte designed its headquarters as a next generation workplace, bringing to life the organization's commitment to cutting-edge technology, open and flexible work settings and conference and training facilities.

Cognizant (Nasdaq-100: CTSH) is a professional services companies, transforming clients' business, operating and technology models for the digital era. Our unique industry-based, consultative approach helps clients envision, build and run more innovative and efficient businesses. Headquartered in the U.S., Cognizant is ranked 195 on the Fortune 500 and is consistently listed among the most admired companies in the world. Learn how Cognizant helps clients lead with digital at www.cognizant.com or follow us @Cognizant

EY is a global leader in assurance, tax, transaction and advisory services. The insights and quality services EY delivers helps build trust and confidence in the capital markets and in economies the world over. EY develops outstanding leaders who team to deliver on their promises to all of their stakeholders. In so doing, EY play a critical role in building a better working world for their people, for their clients and for their communities. EY refers to the global organization and may refer to one or more of the member firms of Ernst & Young Global Limited, each of which is a separate legal entity. Ernst & Young Global Limited, a UK company limited by guarantee, does not provide services to clients. EY's 190,000 people are the foundation of EY's success. EY assembles the right multi-disciplinary team for your business, drawing on their global network of professionals. Working with you in a collaborative style, EY gains a clear understanding of your organisation and strive to identify issues before they become problems. You get the people you need, wherever in the world you need them, backed up by leading practices, methodologies and tools.

& Halske, was founded in 1847 and is headquartered in Munich, Germany. Siemens' principal activities are in the fields of industry, energy, transportation and healthcare. It is organized into five main divisions: Industry, Energy, Healthcare, Infrastructure & Cities, and Siemens Financial Services (SFS). Siemens and its subsidiaries employ approximately 360,000 people across nearly 190 countries and reported global revenue of approximately 73.5 billion euros for the year of 2011. In the industry sector, the company's portfolio ranges from industry automation and drives products and services to building, lighting, and mobility solutions and services, as well as includes system integration and solutions for plant business. It offers automation and drives, industrial solutions and services, transportation systems, Siemens building technologies, and OSRAM lighting solutions. In the energy sector, the company provides various solutions for the generation, transmission, and distribution of power, as well as for the extraction, conversion, and transport of oil and gas in the oil and gas industry. Siemens Energy Service delivers service solutions for gas turbines, steam turbines, generators or wind turbines to increase efficiency, reliability and availability throughout the entire lifecycle. From modernizations and upgrades, remote monitoring, lifetime extensions, and condition monitoring to logistical and turnkey service for onshore and offshore wind turbines, Siemens energy services work to achieve maximum success and efficiency. In the healthcare sector, Siemens develops, manufactures, and markets diagnostic and therapeutic systems, devices, and consumables, as well as offers IT systems for clinical and administrative purposes. Other services include technical maintenance, professional, and consulting services. Siemens AG offers IT solutions and services, primarily information and communications systems. Further, the company provides financial products and services comprising commercial finance, equity and project finance, treasury and investment management, and project and export finance. Siemens AG offers insurance solutions, such as claims management, as well as acts as a broker of company-financed insurances for employees on business trips and foreign assignments. The company has equity investments in Nokia Siemens Networks B.V., a telecommunications infrastructure company; and BSH Bosch und Siemens Hausgerate GmbH, a household appliance producer.

Waters Brothers Contractors, Inc. is a heavy/highway general contractor with a rich history in earthmoving and site preparation, underground utilities construction, concrete construction, base and pave, and construction materials hauling. This trusted company serves both the public and private sectors on municipal, commercial and industrial projects. Much of Waters Brothers Contractors, Inc.'s work is the construction of large building sites but they are also involved in highway and street work for the DOT and municipalities.

PricewaterhouseCoopers is a multinational professional services network with headquarters in London, United Kingdom. PwC ranks as the second largest professional services firm in the world and is one of the Big Four auditors, along with Deloitte, EY and KPMG.

Concentrix is a recognized leader in providing innovative services and technology to accelerate high-value interactions at every stage of your customer's lifecycle.

JPMorgan Chase & Co. is an American multinational investment bank and financial services holding company headquartered in New York City.

KPMG is one of the world’s leading professional services firms, providing innovative business solutions and audit, tax, and advisory services to many of the world’s largest and most prestigious organizations. KPMG is widely recognized for being a great place to work and build a career, and is consistently named one of the nation’s “100 Best Companies to Work For” by Fortune magazine. Our people share a sense of purpose in the work we do, and a strong commitment to community service, diversity and inclusion, and eradicating childhood illiteracy. A purpose-driven culture and a strong foundation for career success is what you will find at KPMG LLP. We start by enabling you to take personal responsibility for your own career development. Then we support you with the people, processes and experiences to help turn your goals and aspirations into a powerful plan of action. Join the firm that has won numerous prestigious workplace awards and is as invested in your career as you are.

Wipro Limited (East Brunswick, NJ) operates as a subsidiary of Wipro Ltd.

Randstad North America, LP, doing business as Randstad Technologies LP, provides human resources and staffing services in the United States. It offers temporary staffing and permanent placement services for administrative, engineering, finance and accounting, healthcare, human resources, light-industrial and security, managed services, manufacturing, pharmaceuticals, and information technology market sectors. The company was incorporated in 1998 and is based in Wakefield, Massachusetts. The company has locations in the United States. Randstad North America, LP operates as a subsidiary of Randstad Holding NV.

CVS Health Corporation is an American healthcare company that owns CVS Pharmacy, a retail pharmacy chain; CVS Caremark, a pharmacy benefits manager; and Aetna, a health insurance provider, among many other brands.