Least Privilege not showing full list of Windows Services

Script for what its worth:

# Requires elevated privileges to run
Param (
    [Parameter(Mandatory)]
    [String]$SID  # Provide the SID to be appended
)

# Function to update service permissions
Function Set-ServicePermissions {
    Param(
        [String]$SID
    )

    # Get all services
    $services = Get-Service

    foreach ($service in $services) {
        Write-Host "[INFO]: Updating permissions for service: $($service.Name)" -ForegroundColor Cyan

        Try {
            # Get current security descriptor for the service
            $currentSDDL = & (Get-Command "$($env:SystemRoot)\System32\sc.exe") @("sdshow", $service.Name)

            # Append read access for the provided SID
            $newSDDL = $currentSDDL + "(A;;CCLCSWLOCRRC;;;" + $SID + ")"

            # Apply the updated security descriptor
            & (Get-Command "$($env:SystemRoot)\System32\sc.exe") @("sdset", $service.Name, $newSDDL)

            Write-Host "[INFO]: Successfully updated permissions for service: $($service.Name)" -ForegroundColor Green
        }
        Catch {
            Write-Host "[ERROR]: Failed to update permissions for service: $($service.Name). Error: $_" -ForegroundColor Red
        }
    }
}

# Call the function to apply permissions to all services
Set-ServicePermissions -SID $SID