1979	•	Anthony Lee establishes Technical Resources International Incorporated (TRI) as a one-man, minority-owned company specializing in research/development and professional services in biomedical/health, environmental, and technology development fields.
	1980	•	TRI is admitted into Small Business Administration (SBA) 8(a) program.
	1987	•	Inc. Magazine lists TRI among the "Inc. 500."
	1988	•	TRI recognized as one of Washington Technology's "Fast 50," the 50 fastest-growing companies in the region.
		•	TRI successfully graduates from SBA 8(a) program.
	1990	•	Nora Lee elected Chairman of the Board and appointed President & CEO, making TRI an Hispanic, woman-owned organization.
	1993	•	TRI acquires The Bruce Company, provider of consulting services in marketing and communication of environmental programs.
	1994	•	TRI completes merger with The Bruce Company.
		•	National Association of Women Business Owners (NAWBO) recognizes TRI as one of the Top 50 women-owned businesses in the Washington metropolitan area.
	1995	•	NAWBO again recognizes TRI as one of the Top 50 women-owned businesses in the Washington area.
	1999	•	TRI launches its Contract Research Organization operations.
	2000	•	TRI moves its headquarters to Bethesda, Maryland.
		•	TRI wins entry into the federal government's General Services Administration (GSA) Schedule, which allows federal government customers to acquire more than four million services and products directly from private commercial suppliers.
	2002	•	TRI is awarded inclusion in National Institutes of Health (NIH) umbrella contract.
	2004	•	TRI celebrates its 25th Anniversary.
	2007	•	TRI is honored amongst Inc. 5,000 fastest growing privately owned companies in the U.S.
	2009	•	TRI celebrates its 30th Anniversary.
	2012	•	TRI is honored amongst the Inc. 500 | 5,000 fastest growing privately owned companies in the U.S.
		•	TRI is featured in the inaugural ranking of Inc.'s Hire Power Awards, recognizing job generation. TRI's job generation places it amongst the top 10 private business job creators within the State of Maryland.
	2013	•	TRI selected as one of the "Top Businesses" in the U.S. by DiversityBusiness.com.