diff --git a/can/interfaces/ics_neovi/__init__.py b/can/interfaces/ics_neovi/__init__.py
index e221e0840..0252c7345 100644
--- a/can/interfaces/ics_neovi/__init__.py
+++ b/can/interfaces/ics_neovi/__init__.py
@@ -6,6 +6,7 @@
     "ICSInitializationError",
     "ICSOperationError",
     "NeoViBus",
+    "neovi_bus",
 ]
 
 from .neovi_bus import ICSApiError, ICSInitializationError, ICSOperationError, NeoViBus
diff --git a/can/interfaces/ixxat/__init__.py b/can/interfaces/ixxat/__init__.py
index bc871b372..6fe79adb8 100644
--- a/can/interfaces/ixxat/__init__.py
+++ b/can/interfaces/ixxat/__init__.py
@@ -5,8 +5,14 @@
 """
 
 __all__ = [
-    "get_ixxat_hwids",
     "IXXATBus",
+    "canlib",
+    "canlib_vcinpl",
+    "canlib_vcinpl2",
+    "constants",
+    "exceptions",
+    "get_ixxat_hwids",
+    "structures",
 ]
 
 from can.interfaces.ixxat.canlib import IXXATBus
diff --git a/can/interfaces/kvaser/__init__.py b/can/interfaces/kvaser/__init__.py
index 36a21db9f..8e7c3feb9 100644
--- a/can/interfaces/kvaser/__init__.py
+++ b/can/interfaces/kvaser/__init__.py
@@ -1,4 +1,14 @@
 """
 """
 
+__all__ = [
+    "CANLIBInitializationError",
+    "CANLIBOperationError",
+    "KvaserBus",
+    "canlib",
+    "constants",
+    "get_channel_info",
+    "structures",
+]
+
 from can.interfaces.kvaser.canlib import *
diff --git a/can/interfaces/neousys/__init__.py b/can/interfaces/neousys/__init__.py
index 6bd503f35..44bd3127f 100644
--- a/can/interfaces/neousys/__init__.py
+++ b/can/interfaces/neousys/__init__.py
@@ -1,5 +1,8 @@
 """ Neousys CAN bus driver """
 
-__all__ = ["NeousysBus"]
+__all__ = [
+    "NeousysBus",
+    "neousys",
+]
 
 from can.interfaces.neousys.neousys import NeousysBus
diff --git a/can/interfaces/pcan/__init__.py b/can/interfaces/pcan/__init__.py
index b46ccb050..73e351665 100644
--- a/can/interfaces/pcan/__init__.py
+++ b/can/interfaces/pcan/__init__.py
@@ -4,6 +4,8 @@
 __all__ = [
     "PcanBus",
     "PcanError",
+    "basic",
+    "pcan",
 ]
 
 from can.interfaces.pcan.pcan import PcanBus, PcanError
diff --git a/can/interfaces/seeedstudio/__init__.py b/can/interfaces/seeedstudio/__init__.py
index 2fc348a17..0b3c7b1c9 100644
--- a/can/interfaces/seeedstudio/__init__.py
+++ b/can/interfaces/seeedstudio/__init__.py
@@ -1,6 +1,9 @@
 """
 """
 
-__all__ = ["SeeedBus"]
+__all__ = [
+    "SeeedBus",
+    "seeedstudio",
+]
 
 from can.interfaces.seeedstudio.seeedstudio import SeeedBus
diff --git a/can/interfaces/serial/__init__.py b/can/interfaces/serial/__init__.py
index 1b1d63c49..beb6457bb 100644
--- a/can/interfaces/serial/__init__.py
+++ b/can/interfaces/serial/__init__.py
@@ -1,6 +1,9 @@
 """
 """
 
-__all__ = ["SerialBus"]
+__all__ = [
+    "SerialBus",
+    "serial_can",
+]
 
 from can.interfaces.serial.serial_can import SerialBus
diff --git a/can/interfaces/socketcan/__init__.py b/can/interfaces/socketcan/__init__.py
index 0fbdede58..6e279c2fe 100644
--- a/can/interfaces/socketcan/__init__.py
+++ b/can/interfaces/socketcan/__init__.py
@@ -6,6 +6,9 @@
     "CyclicSendTask",
     "MultiRateCyclicSendTask",
     "SocketcanBus",
+    "constants",
+    "socketcan",
+    "utils",
 ]
 
 from .socketcan import CyclicSendTask, MultiRateCyclicSendTask, SocketcanBus
diff --git a/can/interfaces/socketcand/__init__.py b/can/interfaces/socketcand/__init__.py
index e6b106918..ce18441bc 100644
--- a/can/interfaces/socketcand/__init__.py
+++ b/can/interfaces/socketcand/__init__.py
@@ -6,6 +6,9 @@
 http://www.domologic.de
 """
 
-__all__ = ["SocketCanDaemonBus"]
+__all__ = [
+    "SocketCanDaemonBus",
+    "socketcand",
+]
 
 from .socketcand import SocketCanDaemonBus
diff --git a/can/interfaces/systec/__init__.py b/can/interfaces/systec/__init__.py
index 9a97b3054..e38a52fb1 100644
--- a/can/interfaces/systec/__init__.py
+++ b/can/interfaces/systec/__init__.py
@@ -1,3 +1,10 @@
-__all__ = ["UcanBus"]
+__all__ = [
+    "UcanBus",
+    "constants",
+    "exceptions",
+    "structures",
+    "ucan",
+    "ucanbus",
+]
 
 from can.interfaces.systec.ucanbus import UcanBus
diff --git a/can/interfaces/udp_multicast/__init__.py b/can/interfaces/udp_multicast/__init__.py
index 6e11a02c5..d52c028f0 100644
--- a/can/interfaces/udp_multicast/__init__.py
+++ b/can/interfaces/udp_multicast/__init__.py
@@ -1,5 +1,9 @@
 """A module to allow CAN over UDP on IPv4/IPv6 multicast."""
 
-__all__ = ["UdpMulticastBus"]
+__all__ = [
+    "UdpMulticastBus",
+    "bus",
+    "utils",
+]
 
 from .bus import UdpMulticastBus
diff --git a/can/interfaces/usb2can/__init__.py b/can/interfaces/usb2can/__init__.py
index 17f5583f3..a2b587842 100644
--- a/can/interfaces/usb2can/__init__.py
+++ b/can/interfaces/usb2can/__init__.py
@@ -4,6 +4,9 @@
 __all__ = [
     "Usb2CanAbstractionLayer",
     "Usb2canBus",
+    "serial_selector",
+    "usb2canabstractionlayer",
+    "usb2canInterface",
 ]
 
 from .usb2canabstractionlayer import Usb2CanAbstractionLayer
diff --git a/can/interfaces/vector/__init__.py b/can/interfaces/vector/__init__.py
index e0c34d88f..3a5b13a1f 100644
--- a/can/interfaces/vector/__init__.py
+++ b/can/interfaces/vector/__init__.py
@@ -2,7 +2,6 @@
 """
 
 __all__ = [
-    "get_channel_configs",
     "VectorBus",
     "VectorBusParams",
     "VectorCanFdParams",
@@ -11,6 +10,12 @@
     "VectorError",
     "VectorInitializationError",
     "VectorOperationError",
+    "canlib",
+    "exceptions",
+    "get_channel_configs",
+    "xlclass",
+    "xldefine",
+    "xldriver",
 ]
 
 from .canlib import (