# MACTEC

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MACTEC Type Private corporation Industry Engineering & Design, Environmental Consulting, Remedial Construction Key people Peter Gouzinnia, PE, CEO Owner Nautic Partners (majority) Number of employees 3,100 Divisions MDC, MEC Footnotes [1]

**MACTEC** was among the largest engineering design companies in the United States.[1] The company provided engineering, environmental, and construction services to private- and public-sector clients. MACTEC was based in [Denver, Colorado](/source/Denver%2C_Colorado) until 2002, when they merged with LAW Engineering and the headquarters were moved to [Alpharetta, Georgia](/source/Alpharetta%2C_Georgia). At that time they employed 3100 staff in 80 locations,[1] with capability in more than 50 scientific and engineering disciplines. The company consisted primarily of two primary operating entities.

- MACTEC Engineering and Consulting (MEC): MEC provided engineering, [environmental consulting](/source/Environmental_consulting) and [remediation](/source/Environmental_remediation), [facility lifecycle management](/source/Facility_management), [sustainable design](/source/Sustainable_design), and construction consulting. Special services include [disaster response and recovery](/source/Emergency_management), and [building engineering](/source/Architectural_engineering) for [LEED](/source/Leadership_in_Energy_and_Environmental_Design) certification.

- MACTEC Development Corporation (MDC): MDC provided construction and demolition, [nuclear decontamination and decommissioning (D&D)](/source/Nuclear_decommissioning), [hazmat](/source/Dangerous_goods) remediation, risk management, and radiological services.

## History

Management Analysis Company (later changed to MACTEC) was founded in 1975 to serve the [electric utility](/source/Electric_utility) and [nuclear power](/source/Nuclear_power_in_the_United_States) industries, expanding during the 1980s into nuclear site remediation. In 1997, MACTEC began strategic acquisition of companies that provided design/build and environmental services.[1]

### Mergers and acquisitions

- Acquisition and merger of Harding Lawson Associates and Environmental Science & Engineering (forming Harding ESE) added manufacturing, chemical, transportation, and telecommunications.

- Acquisition of Pacific Environmental Services Inc. added [value engineering](/source/Value_engineering), [occupational health and safety](/source/Occupational_safety_and_health), water and [wastewater](/source/Wastewater) management, and pollution prevention.

- Merger with Law Engineering and Environmental Services doubled MACTEC size and revenue, and added environmental and geotechnical engineering, facility management, construction quality assurance, and expanded geographic coverage.

- In May 2011, [AMEC](/source/AMEC) announced that it had entered a deal to buy MACTEC for $280 million.[2][3]

## References and notes

1. ^ [***a***](#cite_ref-hoovers_1-0) [***b***](#cite_ref-hoovers_1-1) [***c***](#cite_ref-hoovers_1-2) [***d***](#cite_ref-hoovers_1-3) ["MACTEC, Inc"](http://www.hoovers.com/company/MACTEC_Inc/rfrfxxi-1.html). *Company profiles*. Hoovers. Retrieved 2 April 2011.

1. **[^](#cite_ref-2)** [Amec has agreed to buy US engineering and environmental services company Mactec for US$280m (£172.8m)](http://www.theconstructionindex.co.uk/news/international-construction-news/amec-buys-us-engineer-mactec-in-280m-deal) Construction Index, 19 May 2011

1. **[^](#cite_ref-3)** ["Amec to buy U.S. engineer MACTEC for $280 million"](https://www.reuters.com/article/world/americas/amec-to-buy-us-engineer-mactec-for-280-million-idUSTRE74H162/). *Reuters*. 18 May 2011. Retrieved 4 December 2024.

## External links

- [AMEC company website](https://web.archive.org/web/20121118004208/http://www.amec.com/)

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