diff --git a/components/zerodop/CMakeLists.txt b/components/zerodop/CMakeLists.txt
index afd838f..c993f43 100644
--- a/components/zerodop/CMakeLists.txt
+++ b/components/zerodop/CMakeLists.txt
@@ -11,6 +11,8 @@ if(CMAKE_CUDA_COMPILER)
     endif()
 
     add_subdirectory(GPUgeo2rdr)
+    add_subdirectory(GPUresampslc)
+    add_subdirectory(GPUtopozero)
 endif()
 
 InstallSameDir(__init__.py)
diff --git a/components/zerodop/GPUgeo2rdr/CMakeLists.txt b/components/zerodop/GPUgeo2rdr/CMakeLists.txt
index b86b3c6..531fb8a 100644
--- a/components/zerodop/GPUgeo2rdr/CMakeLists.txt
+++ b/components/zerodop/GPUgeo2rdr/CMakeLists.txt
@@ -17,3 +17,8 @@ target_link_libraries(GPUgeo2rdr PRIVATE
 if(TARGET OpenMP::OpenMP_CXX)
     target_link_libraries(GPUgeo2rdr PRIVATE OpenMP::OpenMP_CXX)
 endif()
+
+InstallSameDir(
+    GPUgeo2rdr
+    __init__.py
+    )
diff --git a/components/zerodop/GPUresampslc/CMakeLists.txt b/components/zerodop/GPUresampslc/CMakeLists.txt
new file mode 100644
index 0000000..4dbb1bf
--- /dev/null
+++ b/components/zerodop/GPUresampslc/CMakeLists.txt
@@ -0,0 +1,19 @@
+cython_add_module(GPUresampslc
+    GPUresampslc.pyx
+    cuda/GPUresamp.cu
+    src/Interpolator.cpp
+    src/Poly2d.cpp
+    src/ResampMethods.cpp
+    src/ResampSlc.cpp
+    )
+target_include_directories(GPUresampslc PRIVATE
+    include
+    )
+target_link_libraries(GPUresampslc PRIVATE
+    isce2::DataAccessorLib
+    OpenMP::OpenMP_CXX
+    )
+InstallSameDir(
+    GPUresampslc
+    __init__.py
+    )
diff --git a/components/zerodop/GPUtopozero/CMakeLists.txt b/components/zerodop/GPUtopozero/CMakeLists.txt
new file mode 100644
index 0000000..f019e20
--- /dev/null
+++ b/components/zerodop/GPUtopozero/CMakeLists.txt
@@ -0,0 +1,26 @@
+cython_add_module(GPUtopozero
+    GPUtopozero.pyx
+    cuda/gpuTopo.cu
+    src/AkimaLib.cpp
+    src/Ellipsoid.cpp
+    src/LinAlg.cpp
+    src/Orbit.cpp
+    src/Peg.cpp
+    src/PegTrans.cpp
+    src/Poly2d.cpp
+    src/Topo.cpp
+    src/TopoMethods.cpp
+    src/Topozero.cpp
+    src/UniformInterp.cpp
+    )
+target_include_directories(GPUtopozero PRIVATE
+    include
+    )
+target_link_libraries(GPUtopozero PRIVATE
+    isce2::DataAccessorLib
+    OpenMP::OpenMP_CXX
+    )
+InstallSameDir(
+    GPUtopozero
+    __init__.py
+    )