Johnson Bros. Metal Forming Co. - Berkeley, IL
Manufacturer, Custom Manufacturer, Service Company
Manufacturers of rings, rims, bezels, hoops, clamps-assembled & plain, flanges & more. Produced by roll forming metal into:angles, channels, mouldings, profiles.(not tubing). At the end of that process, parts are bent inline into: rings, rims, bezels, hoops, clamps, or flanges. All metals are used, both nonferrous & ferrous, in both plain & prefinished. Post finishing is also provided, as well as any assembly & special packaging needs. Inline fabrications provided include: holes, slots, tabs, shear forms, end fabricating, perforating,embossing, insertion of other materials, identification & cut-to-length, along with the inline bending.
www.JohnsonRollForming.com/display.php/disp...

Hennig Gasket & Seals, Inc. - Chicago, IL
Distributor, Manufacturer, Custom Manufacturer
Distributor & custom manufacturer of U rings & V rings. Available in metric & standard sizes. Applications include hydraulic cylinders, lifts, extrusion presses, accumulators, bailing presses, steam hammers, homogenizers & mixers. Products such as flange packings, U-cups, piston cups, urethane seals, spring loaded seals & O-ring cords are also available. Capabilities include waterjet cutting & reverse engineering. Secondary services include packaging, gluing, assembling, laminating, cutting, bagging & labeling. 24 hrs support services available. JIT delivery available.
Brand Names: Garlock
www.henniggasket.com/hydraulic_packing.php

Kroh-Wagner, Inc. - Chicago, IL
Manufacturer, Custom Manufacturer, Service Company
Custom manufacturer of special rings including rolled, spiral, split & U rings. Available in aluminum, brass, bronze, copper, zinc, steel, galvanized steel & stainless steel. Rings are fabricated in dia. from 4 in. to 48 in. & metal thicknesses from 0.010 in. to 0.060 in. Rings are used for clamping & joining applications in signal industries.
www.krohwagner.com/rings.html

Alto Mfg. Co., Inc. - Chicago, IL
Manufacturer, Custom Manufacturer, Service Company
Manufacturer of standard & custom roll formed special rings including U-rings & V-rings. Rings are available in ferrous, non-ferrous, raw & pre-finished metal types & in different sizes & specifications. Capabilities include roll forming, assembling, in-line pre & post punching, embossing, progressive stamping, bending, welding, riveting & degreasing. Services such as on-site tool designing & engineering are available. JIT delivery available.
www.altomfgco.com/rollforming/rings.html

Chicago Metal Rolled Products Co. - Chicago, IL
Manufacturer, Custom Manufacturer, Service Company
Bending & rolling services for rings including U rings, rolled rings, stainless steel rings, welded, steel rings, & tunnel rings. Angle rings available in heel up, heel out, & heel in models. Flat bar rings available in dimensions including 24 in. L x 24 in. W x 36 H. Square bar rings available in 18 in. Channel ring available in models including flanges in, out, & hard way. Tee rings available in models including in, out, & stem up. Square tube rings & beam rings also available.
cmrp.rtrk.com/?scid=1384649&rl_alt=http%253...

RT Dygert International - Niles, IL
Distributor, Custom Manufacturer
ISO 9001:2000 certified distributor of O-rings & metric O-rings in materials such as Buna-N, fluoroelastomer, EPDM, perfluoroelastomer, & silicone. Molding technology includes compression, vacuum compression, transfer, injection, lathe cutting, extrusion, PTFE molding, rapid prototyping, & production tooling. Value added services such as JIT kitting, bar coding, audit bin stocking, subassembly, parts washing, chlorination, material selection & development, & electronic data interchange (EDI). Industries served include fluid power, chemical, beverage, agriculture, & plumbing.

Grainger Industrial Supply - Locations
Distributor
Distributor of a wide variety of rings. Rings available include retain rings suitable for large bearing surfaces, hoist rings capable of withstanding weight up to 4000 lbs., key rings & many others. Meets ASME standards. Services include 24-hour emergency order response services, inventory management services, safety services, repair and replacement programs, hazardous recycling services and storage/material handling equipment services. 1 year warranty.

Lutz Sales Company, Inc - Hanover Park, IL
Distributor, Manufacturer, Custom Manufacturer, Service Company
O-Rings, Lathe Cut Rubber, Die Cut Parts, U Cups, PTFE & Urethane Seals, Anti-Extrusion Rings, Rod Scrapers