North American Industry Classification System (NAICS) was developed jointly by the U.S., Canada, and Mexico to provide new comparability in statistics about business activity across North America.

TSI operates under the following NAICS codes:

541330

Engineering Services

541430

Graphic Design Services

541611

Administrative Management and General Management Consulting Services

541614

Process, Physical Distribution, and Logistics Consulting Services

541618

Other Management Consulting Services

541712

Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)

561110

Office Administrative Services

561210

Facilities Support Services

611420

Computer Training

611430

Professional and Management Development Training

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