Concentrations Disclosure

3 Months Ended

Mar. 31, 2019

Notes

Concentrations Disclosure

5. Concentrations

The Company grants credit in the normal course of business to its customers. The Company periodically performs credit analysis and monitors the financial condition of its customers to reduce credit risk.

Two customers accounted for 89.9% and 10.1%, respectively, of total project management revenue during the three months ended March 31, 2019, and two customers accounted for 92.9% and 7.1%, respectively, during the three months ended March 31, 2018.

Two project management customers accounted for 90.2% and 9.8%, respectively, of total project management accounts receivable at March 31, 2019, and for 93.6% and 6.4%, respectively, at December 31, 2018. Project management accounts receivable constituted 88.6% of receivables at March 31, 2019, and 93.6% of net receivables as of December 31, 2018.

All of the revenue from the Company’s heat conversion technology was from single customers in the periods ended March 31, 2019 and March 31, 2018.