CONCENTRATIONS OF REVENUES AND ACCOUNTS RECEIVABLE

12 Months Ended

Jan. 31, 2016

CONCENTRATIONS OF REVENUES AND ACCOUNTS RECEIVABLE

CONCENTRATIONS OF REVENUES AND ACCOUNTS RECEIVABLE

NOTE 17 — CONCENTRATIONS OF REVENUES AND ACCOUNTS RECEIVABLE

The majority of the Company’s consolidated revenues related to performance by the power industry services segment which provided 87%, 94% and 98% of consolidated revenues for the years ended January 31, 2017, 2016 and 2015, respectively.

For the year ended January 31, 2017, the Company’s most significant customer relationships included five power industry service customers which accounted for 20%, 18%, 17%, 14% and 10% of consolidated revenues, respectively. For the year ended January 31, 2016, the Company’s most significant customer relationships included two power industry service customers which accounted for 38% and 35% of consolidated revenues. For the year ended January 31, 2015, the Company’s most significant customer relationships included three power industry service customers which accounted for 45%, 41% and 12% of consolidated revenues.

Accounts receivable balances from four major customers represented 18%, 17%, 17% and 11% of the corresponding consolidated balance as of January 31, 2017, and accounts receivable balances from two major customers each represented 27% of the corresponding consolidated balance as of January 31, 2016.