- Oy NOVATEK Ab
- Oy Tritmar Ltd.
- OYSTER COMPANY DOO
- OZEN-IS
- OZKAN DEMIR CELIK SANAYI A.S.
- OZSAY DENIZ NAKLIYATI A.S.
- Pacific Coast Marine Industries LLC
- Palfinger Hebetechnik
- Palfinger Marine GmbH
- PALFINGER MARINE NETHERLANDS BV (previously Palfinger Ned Deck)
- Palfinger Marine Norway AS
- Palfinger systems GmbH
- Palmarine Overseas Services Pte Ltd
- PAMARINE PLT
- PANASIA Co.,Ltd
- PANELFA,S.L.
- Parat Halvorsen AS
- Parker Hannifin Oy Lokomec
- PARKER POLAND Sp. z o.o.
- PAROC OY AB
- PAROC POLSKA Spolka z o.o.
- Patel Brass Works
- PBS Turbo s.r.o.
- PBUCH S.A.
- PCC Prodex Sp. z o.o.
- Pemamek Oy
- Perlwitz Armaturen GmbH
- Pesbo SA
- Peter Cremer GmbH
- Peter Taboada, S.L.
- Petrochem Pipeline Supply Ltd
- Petrokraft AB
- PH Hydraulics & Engineering Pte Ltd
- Phoenix Hydraulics
- Piccard Divers
- Pilgrim International Limited
- PILSEN STEEL s.r.o.
- Pintsch Bubenzer GmbH
- Plain Sailing Communications Ltd.
- Planex Projektierungs GmbH
- PM Automatyka Przemyslowa SC
- PMC - Prime Mover Controls Inc
- Pocadel Oy
- Podszuck GmbH
- Point Distribution Limited
- PolarMarine Scandinavia
- Polipodio S.r.l., Enrico
- PONTOS MARINE SERVICE CO,.LTD
- Portmere Rubber Ltd
- Portner GmbH
- POWER LINK
- POWERBOX AS
- Powertech (China) Ltd
- Powertech (China) Ltd
- PPS POWER PARTS SUPPLY BV
- Precision Polymer Engineering Ltd.
- Precision Technology USA, Inc.
- Pres-Vac Engineering Aps
- PRO NAUTAS B.V. GmbH
- Probal Marine Services Ltd.
- Proco Products, Inc.
- Production Departy
- Promeco Group Oy
- PT GOLDEN BATAM RAYA
- PT. AWANTARA MITRA JAYA
- PTR Holland B.V.
- PUTTEK OY
- PWA Service Co.,Ltd.
- PYRO AS
- PZL-DEBICA Stock Company Refrigeration Equipment Factory
- QINGDAO HEADWAY MARINE TECHNOLOGY Co., Ltd.
- Qingdao Huanghai Air Chamber Manufacturing Co., Ltd.
- Qingdao K-Wing Industry Co., Ltd
- Qingdao sino-mech hardware co., ltd.
- QINGDAO T.F. Marine Engineering& Spare Parts Co., Ltd
- QINGDAO WANCHENG ANCHOR CHAIN CO,.LTD
- Qingdao Yueda Site Rigging Co., Ltd
- Qinhuangdao Boeing Marine Machinery Co., Ltd.
- QPC FIBER OPTIC Inc.
- Quality Monitoring Instruments
- Quanzhou Baiyuan Shipping Machinery Co. Ltd.,
- Quanzhou TwinDisc (HK) Trading Co., Ltd.
- Quick Marine Engineering & Service Co., Ltd.
- R Toes + ZN BV
- R&D Marine Ltd
- R&M Ship Tec GmbH
- R&M Ship Technologies GmbH
- Ra In Ho Co. Ltd
- Radez d.d.
- Radio Holland China
- Radio Holland Group
- RADIO HOLLAND NORWAY AS
- Radio Zeeland DMP America
- Radiotechnics Co
- Radomir Metal Industries JSC
- Ralco Europa, S.L.,
- Randers Reb International A/S
- Rapp Bomek AS
- Rapp Marine AS
- Rauma-Kaluste