$searchfor = @("wininit","TeamViewer")
Get-Process $searchfor | % {
    Get-nettcpconnection -OwningProcess $_.ID |
    select @{Name='Process';Expression={(Get-Process -Id $_.OwningProcess).ProcessName }}
}

$searchfor = 'wininit', 'TeamViewer'
Get-Process -PipelineVariable proc $searchfor | % {
  Get-NetTCPConnection -OwningProcess $_.ID |
    Select-Object @{Name='Process';Expression={ $proc.ProcessName }}
}

$searchfor = 'wininit', 'TeamViewer'
Get-Process -PipelineVariable proc $searchfor | % {
  $proc = $_
  Get-NetTCPConnection -OwningProcess $_.ID |
    Select-Object @{Name='Process';Expression={ $proc.ProcessName }}
}