Raadhuset AS - Porsgrunn

Hans Bamle - Stathelle

Procano AS - Porsgrunn

Operma AS - Stathelle

Helleborg - Porsgrunn

Thorbjornsen Consulting - Porsgrunn

Skagerak Consulting AS - Porsgrunn - Porsgrunn

Equity Credit Management AS - Brevik

Arbeidsmiljø- & Sikkerhetskompetanse DA - Porsgrunn

Abcent AS - Porsgrunn