Exhibit 21.1
LIST OF SUBSIDIARIES
The following entities were subsidiaries of the Registrant as of March 31, 2016. Pursuant to Item 601(b)(21)(ii) of RegulationS-K, certain subsidiaries of the Registrant which, considered in the aggregate as a single subsidiary, would not have constituted a significant subsidiary (as defined in Rule1-02(w) ofRegulation S-X) have been omitted.
Name | Jurisdiction of Incorporation or Organization | |
ADS Structures, Inc. | Delaware | |
ADS Ventures, Inc. | Delaware | |
BaySaver Technologies, LLC(1) | Delaware | |
StormTech LLC | Delaware | |
Tigre-ADS USA Inc.(2) | Wisconsin | |
ADS Worldwide, Inc. | Delaware | |
ADS Corporativo, S.A. de C.V.(3) | Mexico | |
ADS Europe B.V. | Netherlands | |
ADS International, Inc. | Delaware | |
ADS Mexicana, S.A. de C.V.(3) | Mexico | |
ADS Latina, LLC(4) | Delaware | |
ADSM Centro América, S.A. | Costa Rica | |
Advanced Drainage Systems of Puerto Rico, Inc. | Puerto Rico | |
Tubos y Plásticos ADS Chile Limitada(5) | Chile | |
TuberiasTigre-ADS Limitada(6) | Chile | |
Tigre-ADS Argentina S.R.L.(7) | Argentina | |
Tigre-ADS Colombia Limitada(7) | Columbia | |
Tigre-ADS Peru S.A.C.(7) | Peru | |
TubosTigre-ADS do Brasil Limitada(7) | Brazil | |
Tubos y PlásticosTigre-ADS de Chile Limitada(7) | Chile | |
Green Line Polymers, Inc. | Delaware | |
Hancor Holding Corporation | Delaware | |
Hancor, Inc. | Ohio | |
Hancor of Canada, Inc. | Canada | |
Ideal Drain Tile Limited | Canada | |
Wave Plastics Inc.(8) | Canada | |
Ideal Pipe(9) | Canada | |
Inlet Pipe and Protection, Inc. | Illinois | |
Sewer Tap, Inc. | Oregon | |
Spartan Concrete, Inc. | Delaware |
| (1) | Owned 65% by ADS Ventures, Inc. and 35% by our joint venture partners. |
| (2) | Owned 49% by ADS Ventures, Inc. and 51% by our joint venture partner. |
| (3) | Owned 51% by ADS Worldwide, Inc. and 49% by our joint venture partner. |
| (4) | Owned 99% by ADS Mexicana, S.A. de C.V. and 1% by ADS Worldwide, Inc. |
| (5) | Owned 99% by ADS Worldwide, Inc. and 1% by ADS International Inc. |
| (6) | Owned 50% by Tubos y Plásticos ADS Chile Limitada and the remaining 50% by our joint venture partner. |
| (7) | Nominal interests are held by Tubos y Plásticos ADS Chile Limitada and our joint venture partner. |
| (8) | Owned 50% by Hancor of Canada, Inc. and 50% by Ideal Drain Tile Limited. |
| (9) | Owned 90% by Ideal Drain Tile Limited and 10% by Wave Plastics Inc. |
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