Yes. 
I currently run tekkit server. 
  
CraftingTableIII.cfg         mod_IC2_ChargingBench.cfg 
EnderStorage.cfg             mod_IC2NuclearControl.cfg 
IC2AdvancedMachine.cfg       mod_ImmibisCore.cfg 
IC2.cfg                      mod_IronChest.cfg 
IC2ChargingBench.cfg         mod_MinecraftForge.cfg 
IC2CompactSolars.cfg         mod_NotEnoughItems.cfg 
IC2NuclearControl.cfg        mod_PowerConverters.cfg 
immibis.cfg                  mod_Railcraft.cfg 
IronChest.cfg                mod_RedPowerControl.cfg 
mod_AdditionalPipes.cfg      mod_RedPowerCore.cfg 
mod_BuildCraftBuilders.cfg   mod_RedPowerLighting.cfg 
mod_BuildCraftCore.cfg       mod_RedPowerLogic.cfg 
mod_BuildCraftEnergy.cfg     mod_RedPowerMachine.cfg 
mod_BuildCraftFactory.cfg    mod_RedPowerWiring.cfg 
mod_BuildCraftTransport.cfg  mod_RedPowerWorld.cfg 
mod_CCTurtle.cfg             mod_TubeStuff.cfg 
mod_CodeChickenCore.cfg      mod_WirelessRedstoneAddons.cfg 
mod_CompactSolars.cfg        mod_WirelessRedstoneCore.cfg 
mod_ComputerCraft.cfg        mod_WirelessRedstoneRedPower.cfg 
mod_CraftingTableIII.cfg     NEIServer.cfg 
mod_EE.cfg                   NetherOres.cfg 
mod_EnderStorage.cfg         PowerConverters.cfg 
mod_IC2AdvancedMachines.cfg  railcraft 
mod_IC2.cfg                  WirelessRedstone.cfg