In almost every scripting language that need to filter unique information is almost a must. Here is one simple way to file use Where-Object.
Where-Object -Property Name -Contains 'ALS'
Get-Service is used for find services running on your given workstation
Where-Object is used to filter the information after running the
-Property Name specifies the type of information usually the header (i.e. column title)
-Contains ‘ALS’ specifies the particular character to search for