Aalborg Instruments & Controls, Inc. is a manufacturer of a variety of flow technogolgy components, such as VT PTFE and precision needle valves with structurally rigid metal shells and a simple seven component design.

Entegris manufactures the Accuflo series needle valves with 1/4" orifice, panel mount and multi-turn functions. This product has a 10-turn manual adjustment enabling more accurate flow and easier installation. Panel mounting configuration is standard.

Kor-Lok USA, LLC is a supplier to the industrial distribution market of fittings, pipe, tubing and valves, including globe and needle valves in fractional sizes and various angle configurations.

NET motion is an authorized supplier for Applied Materials, Intel and Seagate, and provides a variety of needle valves in various sizes for a wide range of industrial applications.

NoShok manufactures a variety of needle valves, including mini, multiport, hard seat, soft seat, block and bleed, bleed, and 2-valve block and bleed configurations.

Gruner Brass Fittings Corp is a manufacturer of a variety of needle valves. Models include flare to flare, angle needle flare to male pipe valves, needle valve compression to male pipe valves, and male pipe to flare angle needle valves.

AOP's line of needle valves includes a variety of soft seated designs, featuring threaded bonnets with locking pin, o-ring stem seal, back seat stem design and factory lubricated standard. AOP also carries metal seated types in 1/4" and 1/3" sizes.

Hex Valve supplies heavy-duty needle valves for the gas sampling, OEM, and reseller markets. The heavy-duty needle types feature an industrial strength stem and bonnet, and are designed for high pressure and high temperature services. These products are produced in 1/4", 3/8", 1/2" 3/4", and 1" sizes. OEM products are constructed of stainless steel or carbon steel and are rated to 3000 psig at 100 F or 6000 psig at 100 F.

Xylen manufactures and distributes needle valves with 3mm or 6mm orifices. Constructed of stainless steel, they feature working pressures of 145 psi, working temperatures from -20C to 70C, and maximum flow l/min of 14.5 psi (differential) or 87 psi.

Nordson ASYMTEK designs and manufactures air-operated, adjustable needle valves used for low-viscosity fluids. Featuring a cycle rate of 500 plus per minute, these products are used in UV-cure adhesive, silicone oil, flux, accelerator, ink, solvent, and mercury applications.

Dymax Corp. manufactures needle valves that deliver deposits of low viscosity fluids, including adhesives, silicone oils, inks, and solvents. Features include adjustable flow control, positive shut-off, multi-valve balance control, and built-in mounting provisions.

Hatfield distributes high pressure needle valves manufactured by Butech, designed for liquid and gas flow control in petroleum, chemical, power generating, and general industrial applications. These products feature operating pressures up to 150,000 psi, and operating temperatures of -100 to 600F.

SSP Fittings Corp. manufactures a line of needle valves including 1/8M x 1/8M .63, 1/4M x 1/4M .62, 1/8T x 1/8T .63, 1/4T x 1/4T .63, 1/8F x 1/8F .62, and 1/8M x 1/8M .172 models. All are constructed of stainless steel.

Doering's line of needle valves includes models for shut off and flow control applications. Products come in a wide array of sizes with housings in 1/8", 1/4" or 3/8" porting.

Mans Flow Control is a manufacturer specializing in needle valves for industrial gas, water and air applications. These products are created with 316 stainless steel or carbon steel metals. Sizes come in a range range of 1/4 to one inch and pressure rated to ten thousand psi.