Exhibit 21.1
FAIRMOUNT SANTROL HOLDINGS INC. AND SUBSIDIARIES
LIST OF SUBSIDIARIES AS OF DECEMBER 31, 2016
Name of Subsidiary |
| Jurisdiction of Organization |
Fairmount Santrol Holdings Inc. |
| Delaware |
FMSA Inc. |
| Delaware |
Fairmount Santrol Inc. |
| Delaware |
Fairmount Minerals Sales de Mexico, S. de R.L. de C.V. |
| Delaware |
Santrol de Mexico, S. de R.L. de C.V. |
| Mexico |
Santrol Australia Pty. Ltd. |
| Mexico |
Best Sand Corporation |
| Australia |
Best Sand of Pennsylvania, Inc. |
| Ohio |
Cheyenne Sand Corp. |
| Ohio |
Construction Aggregates Corporation of Michigan, Inc. |
| Michigan |
Standard Sand Corporation |
| Michigan |
Specialty Sands, Inc. |
| Michigan |
Lake Shore Sand Company (Ontario) Ltd. |
| Michigan |
Fairmount Water Solutions, LLC |
| Ohio |
Mineral Visions Inc. |
| Ohio |
Technisand, Inc. |
| Delaware |
Technisand Canada Sales Ltd. |
| Canada |
Santrol Europe ApS |
| Denmark |
Wisconsin Industrial Sand Company, LLC |
| Delaware |
Wisconsin Specialty Sands, Inc. |
| Texas |
Alpha Resins, LLC |
| Ohio |
Technimat LLC (90%) |
| Ohio |
Santrol (Yixing) Proppant Co. Ltd (70%) |
| People’s Republic of China |
Wedron Silica Company |
| Ohio |
Wexford Sand Co. |
| Michigan |
Fairmount Minerals, LLC |
| Ohio |
Black Lab, LLC |
| Ohio |
Self-Suspending Proppant LLC |
| Delaware |
Shakopee Sand LLC |
| Minnesota |
FML Alabama Resin, Inc. |
| Ohio |
FML Resin, LLC |
| Ohio |
FML Sand, LLC |
| Ohio |
FML Terminal Logistics, LLC |
| Ohio |
Fairmount Logistics LLC |
| Texas |
*** | Percentages in parentheses indicate Fairmount Santrol Holdings Inc.’s ownership. |