biggest companies in San Francisco, CA

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.

The Delaware State Police is a division of the Delaware Department of Public Safety and Homeland Security and is responsible for traffic regulation and law enforcement across the state of Delaware, especially in areas underserved by local police depart...

Capgemini SE is a French multinational corporation that provides consulting, technology, professional, and outsourcing services. It is headquartered in Paris, France. Capgemini has over 200,000 employees in over 40 countries, of whom nearly 100,000 are in India.

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.

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.

For more than 60 years, Kaiser Permanente has been delivering high-quality, affordable health care and to improve the health of their members and the communities they serve. Headquartered in Oakland, California, they serve 11. 8 million members in eight states and the District of Columbia. Care for members and patients is focused on their total health and guided by their personal physicians, specialists and team of caregivers.

& 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.

Costco is a membership warehouse club, dedicated to bringing their members the best possible prices on quality brand-name merchandise. With hundreds of locations worldwide, Costco provides a wide selection of merchandise, plus the convenience of specialty departments and exclusive member services, all designed to make your shopping experience a pleasurable one. The company's first location, opened in 1976 under the Price Club name, was in a converted airplane hangar on Morena Boulevard in San Diego. Originally serving only small businesses, the company found it could achieve far greater buying clout by also serving a selected audience of non-business members. With that change, the growth of the warehouse club industry was off and running. In 1983, the first Costco warehouse location was opened in Seattle. Costco became the first company ever to grow from zero to $3 billion in sales in less than six years. When Costco and Price Club merged in 1993, the combined company, operating under the name PriceCostco, had 206 locations generating $16 billion in annual sales.

Industrial Solutions, Inc. is an insulation, scaffold, coatings, and general labor company that provides a variety of specialty services such as piping, erection and dismantling for industrial and commercial needs, blasting, janitorial, lawn maintenance, etc. Its clients mostly come from the petrochemical, power and utilities, refining, pulp and paper, commercial, and marine industries. Industrial Solutions aims to satisfy all of its clients' specialty contractor needs.

NOVA Engineering and Environmental is a civil engineering company providing environmental consulting and geotechnical engineering services.