Kontserni Harbour Enterprise on tunnustanud järgmised klassifikatsiooniühingud ja tootjad:

• Maritime Administration of Latvia
• Estonian Maritime Administration
• Lloyd's Register (LR)
• Bureau Veritas (BV)
• Russian Maritime Register of Shipping (RMRS)
• DNV-GL
• Registrо Italiano Navale (RINA)
• American Bureau of Shipping (ABS)
• ClassNK

Päästeparved

• RFD Beaufort
• DSB Deutsche Schlauchboot
• Eurovinil
• LSA Liferaft Systems Australia
• CSM 

Veeskamisseadmed

• Qingdao Beihai Shipbuilding Heavy Industry
• Gepa - Fiberglass Industry & Trade 
• Jiangyin Xinjiang F.R.P. 
• Oriental Inspection & Service
• Transkambalt
• Dongnam Marine Crane Co

Hingamisaparaadid

• Scott Health & Safety
• Dräger Safety 
• Interspiro 

Muu varustus

• Kaskad
• Deckma GmbH
• Riken Keiki
• GMI
• BAUER Compressors