Sealum Industries Ltd. Manufactures hydraulic cylinders, manifolds, flanges and adapters.

Silvatech Industries Designs and manufactures specialised equipment for military, commercial and industrial use. Hydraulics and hydrostatic drive trains.

Simplex Provides cylinders, toe jacks, hand pumps, power pumps, valves, presses, mechanical jacks and 'Uni-Lift' actuators for commercial and industrial markets.

Simson, W. Hydraulic cylinders have pressure transmission, are extremely fast, are compact, and save energy.

SMC Pneumatics A large range of pneumatic components. Benelux.

SophTech Inc. Supplies and services industrial filters, hydraulics, and electronics.

Source Fluid Power U.S. based designer, manufacturer and distributor of custom hydraulic products including manifolds, cylinders and valves for the medical, industrial, agricultural, and mobile OEM markets.

Southern Fluid Power Manufacturer of O-rings, Hose Assemblies, Tubing Assemblies, and Gaskets. Other Hydraulic and Pneumatic supplies available.

Southern Fluid Power of VA, Inc. Hydraulics & Pneumatics Distributor Serving Virginia, West Virginia, and North Carolina.

Southern Tool & Hydraulic Inc. Parts, sales, services of hydraulic and pneumatic tools and equipment. Serves agricultural, automotive, construction, industrial and mobile equipment markets.

Spradow GmbH & Co. KG Produces Hydraulic Test Couplings, Test Hoses, Test Valves for compressed-air brake equipment. Distributor for Swaging Machines, Tube Fittings, and Ball Valves.

SPX PowerTeam Manufactures precision, high-pressure hydraulic products including pumps, cylinders, valves, clamping components, related hydraulic accessories, special tools and equipment.

SPX Stone Hydraulic Systems Manufacturer of Stone hydraulic and pneumatic products, a divison of the Fenner fluid group.

Sritong Thai manufacturer of hydraulic equipment and accessories.

SsAccs Ltd. Suppliers of hydraulic/hydropneumatic accumulators, pressure vessels and associated equipment for over 35 years.

Sturgis Equipment Company Distributes pneumatic and hydraulic components in eastern Kansas and western Missouri.

Sunir Iranian group of companies active in supply of water and electrical equipment and engineering services.

Suprima Systems Manufactures hydraulic cylinders and lifts.

T&T Hydraulics Fabrication, rebuilding, repair, buy and sell light- to heavy-duty hydraulic cylinders, hydraulic pumps, hydrostatic pumps, motors, power steering units, steering gears.

Terrell Manufacturing Specialist machining of hydraulic manifolds and other components for the plastic injection and valve industry.