Arms firms due to attend a trade event dubbed a “festival of violence” gave MP's more than £60,000 in donations.
Serco, a firm evicting hundreds of asylum seekers from their homes in Glasgow, will be exhibiting at a controversial arms trade show.
The UK government has been condemned for inviting regimes accused of killing children to an arms fair dubbed a "festival of violence".
The UK government has been condemned for arming states named in a UN report revealing that 12,000 children were killed or maimed last year in armed conflicts.
Bombs and missiles will still be exported to Saudi Arabia under a secretive licensing system despite a court ruling that UK arms sales are illegal.
American multinationals Raytheon and Lockheed Martin are bidding for a lucrative Ministry of Defence training contract at Faslane.
The UK government broke the law by selling arms to Saudi Arabia, the Court of Appeal says in a landmark ruling.
Concerns raised with the Scottish Government over its relationship with an arms company that sold Hong Kong tear gas apparently used by police during clashes with protestors.
Dozens of companies have undergone human rights checks by Scottish Enterprise following concerns over public money being awarded to arms firms through business grants.