Inspection services, namely, air inleakage inspection, tube leak inspection, pipe leak inspection, helium leak inspection; non-destructive testing, namely, eddy current inspection services; remote video inspection services; design, testing and inspection of heat exchangers and heat exchanger parts; testing of the goods of others to assure compliance with industry standards, namely, high pressure testing, leak testing, vacuum testing, thermal behavior testing, stress testing, taper testing, flexural testing, and destructive testing