EX-21 2 ex21listofsubsidiaries.htm EXHIBIT 21 2018 LIST OF SUBSIDIARIES
Exhibit 21
SUBSIDIARIES OF REGISTRANT
The Company's principal affiliates as of December 31, 2018, are listed below. All other affiliates, if considered in the aggregate as a single affiliate, would not constitute a significant subsidiary.

| Percentage of voting securities directly or indirectly owned by registrant | State or Country of incorporation or organization
Core Composites Corporation | 100 | Delaware
Horizon Plastics International Inc. | 100 | Canada