Salar took home the Fish & Seafood retail category award and the Product of the Year award for its flaky smoked salmon.
Macsween picked up the awards for Business of the Year and Environmental Sustainability.
"People talk about corporate social responsibility, but for me it's a given," said Macsween marketing director Jo Macsween.
Other winners included Summer Harvest, Border Biscuits, Simon Howie Butchers, Berry Good, Angus Soft Fruits and Graham's The Family Dairy.
"These awards are a true measure of the excellence that abounds in our industry," said Scotland Food and Drink chief executive Paul McLaughlin.