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Since Aerotek was founded over 30 years ago we have grown to become one of the top global recruiting and staffing agencies. Check out our company timeline, starting with our humble Baltimore roots in 1983 when entrepreneurs Steve Bisciotti and Jim Davis started Aerotek to serve the aerospace and defense industries, giving us our distinctive name right from the start.


Aerotek is named on Inavero's Best of Staffing Talent and Best of Staffing Client lists, recognising customer satisfaction in the staffing industry.



Aerotek is recognised as a Military Friendly Employer for 2014 for the third consecutive year. (Victory Media, publisher of G.I. Jobs and Military Spouse)



Aerotek is named to the National Top Workplaces list, recognising career opportunities, compensation, and training, company leadership, values, and ethics. (Work Dynamics)


Aerotek is ranked as the largest U.S. staffing firm in several categories, including the largest staffing firm for the engineering and clinical/scientific industries for the second and fourth years respectively. In addition, Aerotek was ranked No.1 in the industrial segment. Aerotek was also named the seventh largest staffing firm in finance/accounting. (Staffing Industry Analysts)




Aerotek promotes Chief Operating Officer Todd Mohr to President.


Aerotek is named on Inavero’s Best of Staffing Talent List, recognising talent satisfaction in the staffing industry.



Aerotek is named a Top 100 Military Friendly Employer for 2013 for the second consecutive year. (G.I. Jobs)




Aerotek is named on Inavero’s 2011 Best of Staffing Client List, the largest client satisfaction survey for the staffing industry.



Aerotek is ranked the No. 1 clinical/scientific staffing company in the U.S. (Staffing Industry Analysts)



Aerotek acquires the scientific division of Kforce to strengthen the presence of Aerotek’s scientific division within niche scientific industries nationwide. The Allegis Group is named the largest staffing company in the U.S. (Staffing Industry Analysts)



Mentor 4 becomes a division of Aerotek and is renamed Aerotek Professional Services.



Onsite Companies changes its name to Aerotek Inc. The company is named the No. 1 U.S. provider of engineering staffing. (Staffing Industry Analysts)



Aerotek and Onsite merge to become Onsite Companies. The company exceeds $1 billion in sales.



Onsite forms an aviation division to specialise in the placement of mechanics, technicians and specialised personnel to the aviation industry.



Allegis Group becomes the official name of the parent entity of several operating companies, including Aerotek, TEKsystems, and Onsite.




Aerotek creates a new professional services operating company to support the administrative and professional staffing needs of companies. It is first known as Option One and is later named Mentor 4.



Onsite forms a commercial division to provide light industrial, light technical, and clerical staffing services.



Aerotek expands into Canada and opens its first office in Mississauga, Ontario.



The scientific division is formed to support the staffing needs for the biotechnology, pharmaceutical, and healthcare industries.



Aerotek acquires Onsite Engineering & Management company and merges its environmental and energy services division to create Onsite Environmental and Onsite Engineering & Management.


Aerotek opens its first European office in Slough, England.




Aerotek forms a division to focus on staffing the environmental and energy services industries.



Aerotek forms Telecommunications Services, known today as TEKsystems. TEKsystems has been recognised as the top information technology staffing firm in the U.S. (IT Services Business Report)



The automotive division is started in Michigan to support the engineering staffing needs of automotive manufacturers and suppliers.



Founded in Baltimore, Maryland, by entrepreneurs Steve Bisciotti and Jim Davis. Aerotek gets it start by supporting engineering staffing for the aerospace and defence industries. Earnings are more than $1 million in revenue in its first year.