AECOM (/.ˈkɒm/ ay-ee-KOM) (formerly known as AECOM Technology Corporation) is an American multinational engineering firm.

Public company
Traded as
IndustryProfessional services
Area served
Key people
Michael S. Burke
(Chairman & CEO)
Revenue US$18 billion (2017)
US$652 million (2017)
US$339 million (2017)
Total assets US$14.397 billion (2017)
Total equity US$3.996 billion (2017)
Number of employees
~87,000 (2017)
Footnotes / references

AECOM has approximately 87,000 employees, and is number 157 on the 2019 Fortune 500 list.[2]

The company's official name from 1990 to 2015 was AECOM Technology Corporation, and now it is AECOM.[3] The company is listed on the New York Stock Exchange (NYSE) under the ticker symbol ACM[4] and on the Frankfurt Stock Exchange under the ticker symbol E6Z.[5]


AECOM traces its origins to Kentucky-based Ashland Oil & Refining Company, which in turn grew out of Swiss Drilling Company, founded in Oklahoma in 1910 by J. Fred Miles. He gained control of some 200,000 acres and formed Swiss Oil Company in Lexington. In 1924 Miles launched a refining operation called Ashland Refining Company, headed by Paul Blazer. While the parent company struggled, leading to the ouster of Miles, Ashland prospered under Blazer's leadership, and in 1936 he was named chief executive officer of the reorganized company, Ashland Oil & Refining Company. In 1966 Ashland acquired Warren Brothers and became involved in highway construction and construction materials. The company was able to take advantage of refinery byproducts to produce asphalt. Ashland grew into one of the nation's major road-construction firms, and laid a foundation for AECOM. Through a series of acquisitions and technological developments, Ashland grew to include chemical, petrochemical, highway construction, and construction materials firms within its realm, laying the groundwork for a management buyout of Ashland Technology in 1985.[6]

In the 1970s Ashland Oil & Refining became Ashland Oil, Inc. Five years later the company consolidated its construction assets into a construction division and also formed a coal subsidiary, indicative of a changing focus at Ashland. Although it generated more than $1 billion a year in sales, Ashland was a small player in the oil industry at a time when the cost of exploration was prohibitively expensive. By 1980, Ashland sold its production assets, and a year later was reorganized as a modified holding company. A new corporate strategy was implemented as Ashland now focused on refining and marketing, and sought to grow its non-refining businesses. In 1984 Ashland acquired Daniel, Mann, Johnson & Mendenhall (DMJM), a global provider of transportation-related engineering services. Originally focused on military projects, after World War II it had become one of the first integrated engineering and architectural firms in the western United States. The acquisition of DMJM also included its president, Richard G. Newman. In 1985 DMJM became part of a new subsidiary, Ashland Technology Corporation. Two years later Newman was named its new chief executive and president.[7]

When Ashland chose to return to its core petroleum refining business in the late 1980s, Newman recommended an employee buyback proposal, resulting in the spin-off of Ashland Technology and the creation of AECOM (Architecture, Engineering, Consulting, Operations, and Maintenance) in 1990. The company went on to acquire a number of engineering, design and planning firms including engineering company Maunsell, urbanism and sustainability practice EDAW, Economic Research Associates (ERA), environmental management firm ENSR and The RETEC Group Inc., architects Ellerbe Becket[8] and Davis Langdon, the quantity surveyors and construction consultants.[9]

In 2000, AECOM acquired Metcalf and Eddy, a water and wastewater engineering firm based in Massachusetts,[10] and in September, 2004 it acquired the Canadian company, UMA Engineering Ltd.

AECOM went public during May 2007 with an initial public offering on the NYSE, netting $468.3 million.[11] On January 8, 2008 AECOM acquired The Services Group, Inc., a provider of consulting services to the US Agency for International Development and other multi-lateral donor organizations. On July 28, 2008, AECOM completed its purchase of Earth Tech Inc., a consulting and engineering firm, from Tyco International for $510 million.[12][13] On July 14, 2010, AECOM announced its acquisition of Tishman Construction Corp., a leading provider of construction management services in the United States and the United Arab Emirates, in a $245 million transaction including $202 million in cash and the remainder in AECOM common stock.[14] On July 13, 2014, AECOM announced its acquisition of URS Corporation, an engineering, construction, and technical services firm for US$56.31 per share in cash and stock.[15] Effective July 10, 2014, it acquired ACE International Consultants SL, a Madrid-based provider of consulting services. In July 2014, it acquired Hunt Construction Group, adding to AECOM's construction services business.[16] In July 2017, AECOM acquired Shimmick Construction Company.[17]


AECOM's first president and CEO was Richard G. Newman, who came to Ashland through its acquisition of Daniel, Mann, Johnson & Mendenhall (DMJM). Under Ashland Oil's ownership, he was president and chief operating officer of DMJM from October 1985 to December 1988. While president of Ashland Technology Corp. from December 1988 until May 1990, Newman was instrumental in taking it from a division of Ashland Oil to an independent company. He was president when the company changed its name to AECOM Technology Corporation in April 1990. Newman was president until 1993, and then chairman, president and CEO from May 1993 to October 2000, and chairman and CEO from 2000 to 2005.[18]

On October 1, 2005, John M. Dionisio succeeded Newman as president and CEO of AECOM.[18] In 2011, Dionisio became chairman of the company.[19] Dionisio had previously served as COO from October 2003 to October 2005 and president and CEO of the subsidiary DMJM+Harris from October 2000 to October 2003.[18]

In October 2011, Michael S. Burke succeeded Dionisio as president and then in March 2014 succeeded him as CEO.[20] Burke joined AECOM in 2005 and was appointed CFO in 2006.[21]

In 2011, Stephen M. Kadenacy was named chief financial officer, later promoted to president and COO.[22] In 2017, Kadenacy left the company and was succeeded as COO by Randy Wotring.[23]

As of March 3, 2019, key leaders of AECOM are as follows:[24]

  • Michael Burke, Chairman and Chief Executive Officer[20]
  • Daniel Tishman, Vice Chairman and Chairman of Tishman Construction Corporation
  • Randall Wotring, Chief Operating Officer
  • W. Troy Rudd, Chief Financial Officer[25]
  • Carla Christofferson, Executive Vice President, Chief Legal Officer (General Counsel)[26]
  • Mary E. Finch, Chief Human Resources Officer[27]
  • Heather Rim, Senior Vice President, Chief Marketing and Communications Officer
  • Fredrick W. Werner, President of Major Pursuits


AECOM provides Archaeology, Architecture & Design, Asset Management, Construction, Cost Management, Decommissioning & Closure, Economics, Engineering, Environmental Services, International Development, IT & Cyber Security, Operations & Maintenance, Planning & Consulting, Program, Management/Construction Management, Risk Management & Resilience and Technical Services.[28]

Corporate affairs

AECOM is headquartered in Los Angeles, California, United States, with clients in more than 150 countries. The company reported a revenue of US$17.4 billion during the 12 months that ended September 30, 2016.[29]

In 2018, the company reported revenue of $20.16 billion, with construction services contributing $8.24 billion and $8.22 billion from its design and consulting unit.[30]

Major projects


AECOM and its projects have received various awards.[33][34][35]

See also


  1. "Aecom 2017 Annual Report (Form 10-K)". U.S. Securities and Exchange Commission. November 2017.
  2. "Search Fortune 500".
  3. "AECOM Company Name: Stock Quote & Company Profile". BusinessWeek. Retrieved 27 January 2015.
  4. "AECOM (ACM: NYSE): Stock Quote & Company Profile". AECOM Press. Retrieved 16 Feb 2016.
  5. "Trading Symbol Germany E6Z: Stock Quote & Company Profile". BORSE Frankfort Press. Retrieved 5 August 2016.
  6. "Aecom IPO back on after four-year wait". Marketwatch. 24 January 2007. Retrieved 2 June 2018.
  7. "AECOM History, Date Dec 13, 2007". Retrieved Feb 16, 2016.
  8. "AECOM Technology buys Ellerbe Becket". Biz Journals. 26 October 2009. Retrieved 2 June 2018.
  9. "AECOM corporate website - press release on Davis Langdon merger". AECOM. 2013. Archived from the original on November 27, 2013. Retrieved November 13, 2013.
  10. "AECOM filed this Form S-1 on 03/08/2007". SEC Filings. AECOM. 2007-03-08. Form S-1 (U.S. Securities and Exchange Commission; Registration Statement Under The Securities Act of 1933). Archived from the original on 2018-09-26. Retrieved 2018-06-13.
  11. "AECOM, Form 10-K, Annual Report, Filing Date Dec 13, 2007". Retrieved Dec 30, 2012.
  12. "AECOM, Form 8-K, Current Report, Filing Date Feb 12, 2008". Retrieved Dec 30, 2012.
  13. "AECOM, Form 8-K, Current Report, Filing Date Jul 31, 2008". Retrieved Dec 30, 2012.
  14. "AECOM acquires Tishman Construction Corp. in US$245-million transaction". AECOM. Retrieved Oct 3, 2017.
  15. "AECOM to acquire URS Corporation". AECOM. Retrieved Jul 17, 2014.
  16. "ACM (NYSE)". Retrieved Feb 16, 2016.
  17. Phillips, Erica E. "Aecom to Buy Shimmick Construction for $175 Million". WSJ. Retrieved 2019-10-09.
  18. AECOM Technology Corporation. SEC Form 10-12G, March 7, 2007.
  19. "John M. Dionisio: Executive Profile & Biography". Bloomberg.
  20. Prior, Anna (2013-12-11). "Aecom Tech Names President Burke as CEO". Wall Street Journal. ISSN 0099-9660. Retrieved 2019-10-09.
  21. Fahy, Michael. "Aecom promotes Michael Burke to chairman -".
  22. "Stephen M. Kadenacy: Executive Profile & Biography". Bloomberg.
  23. Wilkers, Ross. AECOM promotes Wotring to COO, Kadenacy exiting company. June 29, 2017.
  24. AECOM Leadership
  25. "Aecom promotes Rudd to CFO". 8 September 2015. Retrieved 2019-10-09.
  26. "Carla Christofferson Joins AECOM as EVP, General Counsel; Michael Burke Comments - GovCon Wire".
  27. "AECOM Appoints Mary E. Finch". Archived from the original on 2016-08-23. Retrieved 2017-01-15.
  28. "Solutions - AECOM".
  29. "AECOM Reports Fiscal Fourth Quarter and Full Year 2016 Results". AECOM. Retrieved 14 May 2017.
  30. "Starboard urges AECOM to explore sale of construction unit". Reuters. 2019-06-20. Retrieved 2019-10-11.
  31. "Aecom Tapped for Related's $1B Gehry-Designed The Grand". 2018-01-22. Retrieved 2018-01-22.
  32. "Program, Cost, Consultancy". AECOM. Archived from the original on 4 February 2015. Retrieved 27 January 2015.
  33. "ENR 2017 Top 500 Design Firms". Engineering News-Record. BNP Media. Retrieved May 14, 2017.
  34. "The 2016 Top 500 Design Firms". Engineering News-Record. BNP Media. Retrieved May 14, 2017.
  35. "The 2015 Top 500 Design Firms". ENR. Retrieved July 26, 2015.
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