SERVICE_NAME: 11178688
DISPLAY_NAME: 11178688
    TYPE               : 10  WIN32_OWN_PROCESS
    STATE              : 1  STOPPED
    WIN32_EXIT_CODE    : 0  (0x0)
    SERVICE_EXIT_CODE  : 0  (0x0)
    CHECKPOINT         : 0x0
    WAIT_HINT          : 0x0

SERVICE_NAME: 11572138
DISPLAY_NAME: 11572138
    TYPE               : 10  WIN32_OWN_PROCESS
    STATE              : 1  STOPPED
    WIN32_EXIT_CODE    : 0  (0x0)
    SERVICE_EXIT_CODE  : 0  (0x0)
    CHECKPOINT         : 0x0
    WAIT_HINT          : 0x0

findstr SERVICE_NAME < foo.txt

setlocal enabledelayedexpansion
for /f "tokens=2 delims=: " %%A in ('findstr SERVICE_NAME ^< foo.txt') do (
  set "Number=%%A"
  echo Integer: !Number!
)

@echo off
(for /f "tokens=2 delims=: " %%A in ('findstr SERVICE_NAME ^< foo.txt') do (
  echo %%A
)) > bar.txt