biggest companies in Buffalo, NY

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.

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.

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.

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.

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.

Panasonic Corporation is a worldwide leader in the development of diverse electronics technologies and solutions for customers in the consumer electronics. Here you will learn about the basic approach of human resources and employee training and development.

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.

Citigroup is a diversified financial services holding company that provides various financial products and services. The company operates through two segments, Global Consumer Banking (GCB) and Institutional Clients Group (ICG). The GCB segment offers traditional banking services to retail customers through retail banking, commercial banking, Citi-branded cards, and Citi retail services. The ICG segment offers various banking, and financial products and services to corporate, institutional, public sector, and high-net-worth clients. This segment provides wholesale banking products and services, including fixed income and equity sales and trading, foreign exchange, prime brokerage, derivative services, equity and fixed income research, corporate lending, investment banking and advisory services, private banking, cash management, trade finance, and securities services. Citigroup Inc. was founded in 1812 and is based in New York, United States.

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General Motors Company engages in the manufacture and sale of cars and trucks in the United States, China, Brazil, Germany, the United Kingdom, Canada, and Italy. It offers sedans, crossovers, sport utility vehicles, pick-up trucks, coupes, sports/convertibles and hybrid vehicles, hatchbacks/wagons, and vans, as well as mini cars in India. The company also provides parts and accessories, such as iPod and MP3 compatibility, mobility accessories, performance parts, AC parts and services, and merchandise. In addition, it offers vehicle safety, security, and information services. The company provides used vehicles. It offers its products through dealers and distributors. General Motors Company was formerly known as NGMCO, Inc. and changed its name to General Motors Company in July 2009. The company was incorporated in 2009 and is based in Detroit, Michigan. It operates manufacturing facilities in India, the United States, and Canada. General Motors Company operates as a subsidiary of United States Department of The Treasury. General Motors led global vehicle sales for 77 consecutive years from 1931 through 2007, longer than any other automaker, and is currently among the world's largest automakers by vehicle unit sales. General Motors acts in most countries outside the USA via wholly owned subsidiaries, but operates in China through 10 joint ventures. GM's OnStar subsidiary provides vehicle safety, security, and information services. In 2009, General Motors shed several brands, closing Saturn, Pontiac and Hummer, and emerged from a government backed Chapter 11 reorganization. In 2010, GM made an initial public offering that was one of the world's top 5 largest IPOs to date and returned to profitability later that year.

Honeywell First Responder Products is the leading manufacturer of head-to-toe personal protective equipment such as structural turnout gear, proximity gear, EMS gear, helmets, boots, hoods, gloves, EN products, etc. Headquarted in Dayton, Ohio, Honeywell First Responder has representatives throughout the US and internationally. Its mission is to provide high quality equipment and solutions that help firefighters work efficiently and safely.

Tesla Motors was started by a group of Silicon Valley entrepreneurs and strives to create a revolution and accelerate the world's transition to electric mobility with a full range of increasingly affordable electric cars. Tesla vehicles are EVs (electric vehicles), which are transforming the way people drive and move. Tesla has gone public as of June 29, 2010 and has a market cap of $34.32 billion. Tesla Motors' goal is to increase the number and variety of EVs through three strategies. The first is to sell its own branded vehicle through its showrooms. Second is to sell premium, high-quality, patented electric components to other automakers. Lastly, it serves as a “catalyst and positive example to other automakers.” There has already been a movement in the EV market with the push of the GM Volt, rumored to have been inspired by the Tesla Roadster.

Lactalis is a multinational dairy products corporation, owned by the Besnier family and based in Laval, Mayenne, France. The company's former name was Besnier SA. It is the largest dairy products group in the world, and is the second largest food products group in France, behind Danone.

Merck is a biopharmaceutical company that offers medicines and vaccines for various diseases. The company is driven by a mission to discover, develop, and provide innovative products and services that save and improve lives around the world. Merck delivers vaccines, medications, and consumer and animal health products that can help millions around the world. Merck was founded in 1891 and is headquartered in Kenilworth, NJ.

Founded in 2004, Anthem Inc. has been the largest for-profit managed health care company in the Blue Cross and Blue Shield Association. Headquartered in Indianapolis, Indiana, Anthem, Inc. delivers a number of leading health benefit solutions through a broad portfolio of integrated health care plans and related services. This American health insurance company also offers specialty products such as life and disability insurance benefits, dental, vision, behavioral health benefit services, and more.

U.S. Customs and Border Protection is a federal law enforcement agency of the United States Department of Homeland Security. It is charged with keeping terrorists and their weapons out of the U.S. while facilitating lawful international travel and trade. CBP takes a comprehensive approach to border management and control, combining customs, immigration, border security, and agricultural protection into one coordinated and supportive activity. CBP has a workforce of over 58,000 employees, including officers and agents, agriculture specialists, aircraft pilots, trade specialists, mission support staff, and canine enforcement officers and agents. On March 1, 2003, U.S. Customs and Border Protection became the nation's first comprehensive border security agency with a focus on maintaining the integrity of the nation's boundaries and ports of entry.

Fiserv is a global organization with more than 13,000 clients and 21,000 associates worldwide and takes pride in its mission to enable clients to achieve best-in-class results. The company is highly regarded for its financial services technology and services innovation, including award-winning solutions for mobile and online banking, payments, risk management, data analytics and core account processing. Fiserv is helping its clients push the boundaries of what's possible in financial services, delivering deep expertise and innovative solutions to help financial institutions, businesses and consumers move and manage money faster and with greater ease than ever before.

Highmark is a non-profit healthcare company and Integrated Delivery Network based in Pittsburgh, Pennsylvania, United States.