An Ayrshire firm making explosives told Scottish Enterprise that munitions were a "key growth area" when applying for taxpayers' money.
Arms firms in Scotland are failing to make human rights checks which could prevent their products from being used in potential war crimes.
Secretary of State for Scotland Alister Jack registered £70,000 worth of shareholdings two years ago in a private equity group linked to weapons makers.
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.