biggest companies in Saint Louis, MO

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.

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

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

Nestlé S.A. is a Swiss multinational food and drink company headquartered in Vevey, Vaud, Switzerland. It is the largest food company in the world, measured by revenues and other metrics, since 2014.

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.

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.

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.

Wells Fargo & Company is a community-based financial services company that provides banking, investment and mortgage products and services, as well as consumer and commercial finance. The company has about 263,000 team members in 38 countries and serves one in three households in the United States. Well Fargo was founded in 1852 and is headquartered in San Francisco.

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.

AT&T Inc. is a modern media company whose mission is to inspire human progress through the power of communication and entertainment. They bring together premium video content, a large base of direct-to-consumer relationships, high-speed networks optimized for video and advertising technology to lead the next revolution in technology, media and telecommunications. AT&T has recorded 35 consecutive years of quarterly dividend growth and is a Fortune 10 company.

The Boeing Company is an American multinational corporation that designs, manufactures and sells fixed-wing aircraft, rotorcraft, rockets and satellites and provides leasing and product support services. Boeing is among the largest global aircraft manufacturers, is the second-largest aerospace & defense contractor in the world based on 2012 revenue and is the US' largest exporter by dollar value. Boeing stock is a component of the Dow Jones Industrial Average. The Boeing Company's corporate headquarters are located in Chicago and the company is led by Chairman and CEO James McNerney. Boeing is organized into five primary divisions: Boeing Commercial Airplanes (BCA), Boeing Defense, Space & Security (BDS), Engineering, Operations & Technology, Boeing Capital and Boeing Shared Services Group. Boeing is the world's largest aerospace company and leading manufacturer of commercial jetliners and defense, space and security systems. A top U.S. exporter, the company supports airlines and U.S. and allied government customers in 150 countries. Boeing products and tailored services include commercial and military aircraft, satellites, weapons, electronic and defense systems, launch systems, advanced information and communication systems, and performance-based logistics and training. Boeing has a long tradition of aerospace leadership and innovation. The company continues to expand its product line and services to meet emerging customer needs. Its broad range of capabilities includes creating new, more efficient members of its commercial airplane family; integrating military platforms, defense systems and the warfighter through network-enabled solutions; creating advanced technology solutions; and arranging innovative customer-financing options. With corporate offices in Chicago, Boeing employs more than 170,000 people across the United States and in 70 countries. This represents one of the most diverse, talented and innovative workforces anywhere. More than 140,000 employees hold college degrees -- including nearly 35,000 advanced degrees -- in virtually every business and technical field from approximately 2,700 colleges and universities worldwide. Our enterprise also leverages the talents of hundreds of thousands more skilled people working for Boeing suppliers worldwide. Boeing is organized into two business units: Boeing Commercial Airplanes and Boeing Defense, Space & Security. Supporting these units are Boeing Capital Corporation, a global provider of financing solutions; the Shared Services Group, which provides a broad range of services to Boeing worldwide; and Boeing Engineering, Operations & Technology, which helps develop, acquire, apply and protect innovative technologies and processes. Divisions: - Boeing Defense, Space and Security - Boeing Commercial Airplanes - Boeing Capital Corporation - Boeing Shared Services Group - Boeing Engineering, Operations & Technology

Tech Mahindra Limited is an Indian multinational subsidiary of the Mahindra Group, providing information technology services and business process outsourcing to companies in various vertical and horizontal markets.

Thermo Fisher Scientific Inc. (NYSE: TMO) is the world leader in serving science. Their mission is to enable their customers to make the world healthier, cleaner and safer. With revenues of more than $10 billion, they have approximately 35,000 employees and serve customers within pharmaceutical and biotech companies, hospitals and clinical diagnostic labs, universities, research institutions and government agencies, as well as in environmental and process control industries. They create value for their key stakeholders through two premier brands, Thermo Scientific and Fisher Scientific, which offer a unique combination of continuous technology development and the most convenient purchasing options. Their products and services help accelerate the pace of scientific discovery, and solve analytical challenges ranging from complex research to routine testing to field applications.

General Dynamics Corporation is an American publicly traded, aerospace and defense corporation headquartered in Reston, Virginia.

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.

Johnson Controls, Inc. operates in building efficiency, automotive experience, and power solutions businesses worldwide. The company's building efficiency business designs, produces, markets, and installs integrate heating, ventilating, and air conditioning systems; and building management systems, controls, security, and mechanical equipment. It also provides technical services, energy management consulting, and operations of real estate portfolios for the non-residential buildings market. This segment also offers residential air conditioning and heating systems. Its automotive experience business designs and manufactures interior products and systems for passenger cars and light trucks, including vans, pick-up trucks, and sport/crossover utility vehicles. This segment's products and systems include seating systems and components; cockpit systems, such as instrument panels and clusters, information displays, and body controllers; overhead systems, including headliners and electronic convenience features; floor consoles; and door systems. It also produces automotive interior systems for original equipment manufacturers. The company's power solutions business produces lead-acid automotive batteries serving automotive original equipment manufacturers and the general vehicle battery aftermarket. It produces lead-acid batteries, as well as offers absorbent glass mat, nickel-metal-hydride, and lithium-ion battery technologies to power hybrid vehicles.