CONCENTRATIONS OF REVENUES AND ACCOUNTS RECEIVABLE

3 Months Ended

Apr. 30, 2017

CONCENTRATIONS OF REVENUES AND ACCOUNTS RECEIVABLE

CONCENTRATIONS OF REVENUES AND ACCOUNTS RECEIVABLE

NOTE 13 — CONCENTRATIONS OF REVENUES AND ACCOUNTS RECEIVABLE

During the three months ended April 30, 2017 and 2016, the majority of the Company’s consolidated revenues related to performance by the power industry services segment which provided 91% and 83% of consolidated revenues for the three months ended April 30, 2017 and 2016, respectively. The Company’s significant customer relationships for the three months ended April 30, 2017 included four power industry service customers which accounted for approximately 29%, 21%, 21% and 18% of consolidated revenues, respectively. The Company’s significant customer relationships for the three months ended April 30, 2016 included five customers which accounted for approximately 18%, 15%, 15%, 12% and 10% of consolidated revenues, respectively.

Accounts receivable balances from four major customers as of April 30, 2017 represented 18%, 17%, 15% and 12% of the corresponding condensed consolidated balance as of April 30, 2017, and accounts receivable balances from four major customers represented 18%, 17%, 17% and 11% of the corresponding consolidated balance as of January 31, 2017.