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For nearly three decades, NTT has successfully trained nearly 1,000,000 employees at thousands of American companies and government agencies in locations around the world. Each of our master instructors brings an average of 30 years of real-world experience into the classroom. We continually expand our curriculum of one to five-day instructor-led courses, conducted at public locations and on-site at our clients’ facilities. We offer over 60 courses within our seven program disciplines: Electrical Safety, National Electrical Code, Electrical and Electronics, Compliance, HVAC, Fluid Power and Mechanical Systems. Our Mission: "Deliver solutions to our clients (and their global workforce) designed for safety, productivity and profitability.”

NTT Training Questions

The NTT Training annual revenue was $10.7 million in 2026.

Jill Hewlett is the National Sales Director of NTT Training.

39 people are employed at NTT Training.

NTT Training is based in Centennial, Colorado.

The NAICS codes for NTT Training are [42361, 611, 423, 4236, 42, 61, 423610].

The SIC codes for NTT Training are [82, 506, 824, 50].

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