diff --git a/core/src/main/java/com/rtbishop/look4sat/interactors/GetSatItems.kt b/core/src/main/java/com/rtbishop/look4sat/interactors/GetSatItems.kt
new file mode 100644
index 00000000..6d39f7cf
--- /dev/null
+++ b/core/src/main/java/com/rtbishop/look4sat/interactors/GetSatItems.kt
@@ -0,0 +1,12 @@
+package com.rtbishop.look4sat.interactors
+
+import com.rtbishop.look4sat.domain.SatelliteRepo
+import com.rtbishop.look4sat.domain.model.SatItem
+import kotlinx.coroutines.flow.Flow
+
+class GetSatItems(private val satelliteRepo: SatelliteRepo) {
+
+    operator fun invoke(): Flow<List<SatItem>> {
+        return satelliteRepo.getSatItems()
+    }
+}
\ No newline at end of file
diff --git a/core/src/main/java/com/rtbishop/look4sat/interactors/GetSelectedSatellites.kt b/core/src/main/java/com/rtbishop/look4sat/interactors/GetSelectedSatellites.kt
new file mode 100644
index 00000000..d789b136
--- /dev/null
+++ b/core/src/main/java/com/rtbishop/look4sat/interactors/GetSelectedSatellites.kt
@@ -0,0 +1,11 @@
+package com.rtbishop.look4sat.interactors
+
+import com.rtbishop.look4sat.domain.SatelliteRepo
+import com.rtbishop.look4sat.predict4kotlin.Satellite
+
+class GetSelectedSatellites(private val satelliteRepo: SatelliteRepo) {
+
+    suspend operator fun invoke(): List<Satellite> {
+        return satelliteRepo.getSelectedSatellites()
+    }
+}
\ No newline at end of file
diff --git a/core/src/main/java/com/rtbishop/look4sat/interactors/GetTransmittersForSat.kt b/core/src/main/java/com/rtbishop/look4sat/interactors/GetTransmittersForSat.kt
new file mode 100644
index 00000000..403c25ed
--- /dev/null
+++ b/core/src/main/java/com/rtbishop/look4sat/interactors/GetTransmittersForSat.kt
@@ -0,0 +1,12 @@
+package com.rtbishop.look4sat.interactors
+
+import com.rtbishop.look4sat.domain.SatelliteRepo
+import com.rtbishop.look4sat.domain.model.Transmitter
+import kotlinx.coroutines.flow.Flow
+
+class GetTransmittersForSat(private val satelliteRepo: SatelliteRepo) {
+
+    operator fun invoke(catNum: Int): Flow<List<Transmitter>> {
+        return satelliteRepo.getTransmittersForSat(catNum)
+    }
+}
\ No newline at end of file
diff --git a/core/src/main/java/com/rtbishop/look4sat/interactors/ImportDataFromFile.kt b/core/src/main/java/com/rtbishop/look4sat/interactors/ImportDataFromFile.kt
new file mode 100644
index 00000000..ec5adf0f
--- /dev/null
+++ b/core/src/main/java/com/rtbishop/look4sat/interactors/ImportDataFromFile.kt
@@ -0,0 +1,11 @@
+package com.rtbishop.look4sat.interactors
+
+import com.rtbishop.look4sat.domain.SatelliteRepo
+import java.io.InputStream
+
+class ImportDataFromFile(private val satelliteRepo: SatelliteRepo) {
+
+    suspend operator fun invoke(stream: InputStream) {
+        satelliteRepo.importDataFromFile(stream)
+    }
+}
\ No newline at end of file
diff --git a/core/src/main/java/com/rtbishop/look4sat/interactors/ImportDataFromWeb.kt b/core/src/main/java/com/rtbishop/look4sat/interactors/ImportDataFromWeb.kt
new file mode 100644
index 00000000..d9cfa225
--- /dev/null
+++ b/core/src/main/java/com/rtbishop/look4sat/interactors/ImportDataFromWeb.kt
@@ -0,0 +1,10 @@
+package com.rtbishop.look4sat.interactors
+
+import com.rtbishop.look4sat.domain.SatelliteRepo
+
+class ImportDataFromWeb(private val satelliteRepo: SatelliteRepo) {
+
+    suspend operator fun invoke(sources: List<String>) {
+        satelliteRepo.importDataFromWeb(sources)
+    }
+}
\ No newline at end of file
diff --git a/core/src/main/java/com/rtbishop/look4sat/interactors/UpdateEntriesSelection.kt b/core/src/main/java/com/rtbishop/look4sat/interactors/UpdateEntriesSelection.kt
new file mode 100644
index 00000000..f453060a
--- /dev/null
+++ b/core/src/main/java/com/rtbishop/look4sat/interactors/UpdateEntriesSelection.kt
@@ -0,0 +1,10 @@
+package com.rtbishop.look4sat.interactors
+
+import com.rtbishop.look4sat.domain.SatelliteRepo
+
+class UpdateEntriesSelection(private val satelliteRepo: SatelliteRepo) {
+
+    suspend operator fun invoke(catNums: List<Int>, isSelected: Boolean) {
+        satelliteRepo.updateEntriesSelection(catNums, isSelected)
+    }
+}
\ No newline at end of file