Stallion Offshore Quarters, Inc. provides workforce housing and integrated jobsite equipment rental solutions, specializing in offshore living quarters, mobile offices, and support services for the oil & gas and maritime industries.
Stan Stephens Tours offers glacier and wildlife cruises from Valdez, Alaska, operating since 1971 with Coast Guard-inspected vessels and accessible tours.
Sheffield, Yorkshire, United KingdomUpdated May 2026
SPR is a subsidiary of Piston Rings UK Ltd. and offers the most comprehensive range of piston rings for marine and industrial applications.
Chrome plated, copper plated or plain cast iron - whatever rings you need SPR can supply them. SPR is unique in being able to supply such a wide range of
piston rings. We ensure that our rigorous quality standards are met at all stages of production and delivery.
We have the flexibility to meet the ever changing needs of our worldwide customer base. Our dedication to continuous improvement and development of our product range results in a ring which offers reliability and performance in the most arduous operating conditions.
A Better Service : SPR fully appreciates that the longer an engine remains inactive during overhaul or repair, the greater the impact on revenue. Rapid sourcing of quality spares reduces expensive down time. Same day despatch of stock items from SPR's extensive warehouse on orders received before 15.00 hrs (GMT) is standard. After this time, despatch will normally take place within 24 hours. For replacement rings, engineers continually rely on SPR to deliver - wherever they are in the world.
Standard Steamship Owners' Protection & Indemnity Association Limited is a UK-based mutual insurance association providing protection and indemnity insurance to shipowners and operators.
Stanley G. Flagg & Co., based in Stowe, Pennsylvania, manufactures wrought pipe fittings, flanges, and the Flagg-Flo grooved piping system for marine and industrial applications.
Stanley Hydraulic Tools manufactures hydraulic tools and attachments for industrial, construction, and utility applications. Part of Stanley Works, serving markets worldwide from its Milwaukie, Oregon headquarters.
Star Bulk Carriers Corp. is a global shipping company specializing in seaborne transportation solutions in the dry bulk sector, operating a fleet of Capesize, Panamax, and Supramax vessels.
Star Cruises, the third largest cruise line in the world is a global cruise brand presently operating a combined fleet of 17 ships with over 22,000 lower berths, with cruises to destinations and islands in Asia-Pacific, North and South America, Hawaii, Caribbean, Alaska, Europe, Mediterranean, Bermuda and the Antarctica under the Star Cruises, Norwegian Cruise Line, Orient Lines & Cruise Ferries brands.