Leidos Holdings, Inc.is an American defense, aviation, information technology, and biomedical research company headquartered in Reston, Virginia, that provides scientific, engineering, systems integration, and technical services. Founded as Science Applications International Corporation (SAIC),[6] Leidos merged with Lockheed Martin's IT sector, Information Systems & Global Solutions, in August 2016 to create the defense industry’s largest IT services provider. The Leidos-Lockheed Martin merger is one of the biggest transactions thus far in the consolidation of the defense sector. Leidos contracts extensively with the Department of Defense, the Department of Homeland Security, and the Intelligence Community, as well as other U.S. government agencies and select commercial markets.
DTN, previously known as Telvent DTN, Data Transmission Network and Dataline, is a private company based in Bloomington, Minnesota that specializes in subscription-based services for the analysis and delivery of real-time weather, agricultural, energy, and commodity market information. As of 2018 the company has approximately 600,000 subscribers, mostly in the United States. DTN is known for its accurate meteorological forecasting and large network of weather stations, its market analysis services, and its early use of radio and satellite systems to transmit reports to its Midwestern consumers. DTN also operates The Progressive Farmer magazine. DTN was previously owned by Telvent and Schneider Electric, and since 2017 has been owned by Zürich-based TBG.
Jacobs Solutions Inc. is an American international technical professional services firm. The company provides engineering, technical, professional and construction services, as well as scientific and specialty consulting for a broad range of clients globally, including companies, organizations, and government agencies. Jacobs has consistently ranked No. 1 on both Engineering News-Record (ENR)'s 2018, 2019, 2020, 2021, 2022 and 2023 Top 500 Design Firms and Trenchless Technology’s 2018, 2019, 2020 and 2021 Top 50 Trenchless Engineering Firms. Its worldwide annual revenue reached over $14 billion in the 2021 fiscal year, and earnings rose to $477 million.
STV Incorporated is a multinational professional services company that specializes in architecture, engineering, construction management, and planning, along with building and facilities services, transportation, energy, and infrastructure market sectors. STV specializes in education, justice, highways, bridges, rail and mass transit sectors within the United States and Canada. It currently has two headquarters sites: Douglassville, Pennsylvania, and 20 W 34th St., New York, NY 10001 in the Empire State Building in Manhattan, New York City. STV is a portfolio company of The Pritzker Organization.
Carollo Engineers is an environmental engineering firm specializing in the planning, design, and construction management of water and wastewater facilities for municipal and public sector clients in the United States. The firm is headquartered in Walnut Creek, California, and currently maintains 38 offices throughout the United States. Carollo has provided services to the City of Phoenix for over 80 years and to Southern California's Orange County Sanitation District for over 50 years.
Worley Limited is an Australian engineering professional services company which provides project delivery and consulting services to the resources and energy sectors, and complex process industries.
Proxicom, Inc. was an interactive agency that developed custom-tailored interactive and web-enabled solutions. Founded in 1991 by American entrepreneur Raul Fernandez. Proxicom provided services for a number of industries.
An energy service company (ESCO) is a company that provides a broad range of energy solutions including designs and implementation of energy savings projects, retrofitting, energy conservation, energy infrastructure outsourcing, power generation, energy supply, and risk management.
HDR, Inc. is an American design and engineering company based in Omaha, Nebraska.
Stantec Inc. is an international professional services company in the design and consulting industry. The company was founded in 1954, as D. R. Stanley Associates in Edmonton, Alberta, Canada. Stantec provides professional consulting services in planning, engineering, architecture, interior design, landscape architecture, surveying, environmental sciences, project management, and project economics for infrastructure and facilities projects. The company provides services on projects around the world, with over 30,000 employees operating out of more than 450 locations in North America and across offices on six continents.
Investment Technology Group, Inc. was a United States-based multinational agency brokerage and financial markets technology firm aimed at a hedge fund and asset management clientele. One of the first suppliers of electronic trading services, ITG launched the industry’s second anonymous electronic trade matching system, POSIT, in 1987. ITG has since expanded its business to include tools for portfolio management, pre-trade analysis, order management, trade execution, and post-trade evaluation.
Tetra Tech, Inc. is an American consulting and engineering services firm based in Pasadena, California. The company provides consulting, engineering, program management, and construction management services in the areas of water, environment, infrastructure, resource management, energy, and international development. Specific services for consulting and engineering projects include applied science, information technology, engineering, design, construction management, and operations and maintenance.
Hill International, Inc. is an American construction consulting firm. Founded in 1976, the company's corporate headquarters are in Philadelphia, Pennsylvania, U.S. Hill provides program and project management, construction management, cost engineering and estimating, quality assurance, inspection, scheduling, risk management, and claims resolution and avoidance services to clients with major construction projects worldwide.
MWH Global Inc. was a global water and natural resources firm providing technical engineering, construction services and consulting services. In 2016, MWH was acquired by Stantec Consulting Inc. The firm provided planning, design and construction management for water and natural resources projects around the world. The firm was headquartered in Broomfield, a suburb of the Denver metropolitan area in the state of Colorado of the United States, with operations in 35 countries. As of May 2015, MWH Global had a global staff of approximately 7,000 employees including builders, engineers, architects, geologists, operators, project managers, business consultants, scientists, technologists, and regulatory experts. MWH was listed as the 15th-largest employee-owned company in the United States.
Golder Associates Inc., branded as Golder, was an international company that provides consulting, design, and construction services in earth, environment, and related areas of energy. The company has 7,000 employees in offices in Africa, Asia, Australasia, Europe, North America and South America. In April 2021, the company was acquired by WSP Global.
The American Council of Engineering Companies (ACEC) is the oldest and largest business association of engineering companies. It is organized as a federation of 52 state and regional councils with national headquarters in Washington, D.C., comprising thousands of engineering practices throughout the country. It administers extensive lobbying and education programs.
Kenexa, an IBM Company, provides employment and retention services. This includes recruitment process outsourcing onboarding tools, employee assessment, abilities assessment for employment candidates ; and Kenexa Interview Builder, a structured interview archive with example questions.
Science Applications International Corporation (SAIC), Inc. is an American technology company headquartered in Reston, Virginia that provides government services and information technology support.
Environ was a privately held, international environmental, safety and health sciences consulting firm headquartered in Arlington, Virginia. ENVIRON had operations across more than 90 offices in 21 countries, with more than 1,500 consultants when it was acquired in December 2014 by Danish-based Ramboll.
CDM Smith Inc. is an American engineering and construction company headquartered in Boston, Massachusetts. CDM Smith offers services in water, environment, transportation, and energy and facilities projects for public and private clients. Major services include design, consulting and program management with a focus on emerging areas such as polyfluoroalkyl substances (PFAS), transportation advisory services, lead in drinking water and digital solutions. The employee-owned company is currently ranked 23rd on Engineering News-Record's 2022 Top 500 Design Firms list and 22nd on their 2021 Top 200 Environmental Firms list.
US$102M (2007)