The Robertson Mfg. Co., Inc. - Cleveland, OH (Serving Western Pennsylvania)
Manufacturer, Custom Manufacturer, Service Company
Specialists in manufacturer of worms & worm gears. Features include 16 DP to 3 DP & maximum diameter of 48 in. Other gears include helical, internal & spur gears. Power transmission products include synchronous belt pulleys, special sprockets & ratchets.
www.robertsongears.com/about.html

Project Enterprises, Inc. - Bridgeville, PA
Distributor
Distributor of custom gearing & gears including pinions, racks, spur / helical / double helical up to 240 ins. O. D., 35 ins. face - all pressure angles & hardening, straight & double enveloping worm gears.
Brand Names: Acco Cranes, CM, Cutler-Hammer, Daniel Woodhead, Delvan, Kelk, Lo-Hed, Meade, Pittsburgh Overhead,...
www.projectent.net/

Link Gear & Machine Company - Baltimore, MD (Serving Western Pennsylvania)
Custom Manufacturer, Service Company
Custom manufacturer of worm & spline gears. Gears in dia. up to 36 in. & gear face up to 6 in. size can be fabricated. Available in British standard metric, straight, Coniflex® & involute tooth forms. Materials used include steel, stainless steel, high carbon steel alloys, cast iron, bronze alloys, brass, aluminum, Delrin®, phenolic & plastic. Capabilities include CNC machining, milling, turning, facing, profiling, drilling, tapping, reaming, counterboring, countersinking, pocketing, keyway broaching, threading & inspection.
www.linkgear.com/custom-gear-machining.html

Worm Gears Capabilities
	Custom Gear Machining

Servedio - New Castle, PA
Distributor, Custom Manufacturer, Service Company
Distributor of gears including steel, straight bevel, timing, turning, & worm. Products include electric motors & controls (AC & DC), power transmission, gearing & belts, pumps, conveyor chain, roller chain, sprockets & belting, & for crane & hoist applications. Repair services like electric motor rewinding, surge testing, core loss testing, hypot testing, dynamic balancing, machine work, generator repair, welder repair, hoist repair, small tool repair, & small motor repair. Engineering, design & fabrication of special application control panels.

Incast, Inc. - Pittsburgh, PA
Manufacturer, Custom Manufacturer
Manufacturer of spur & worm gears from sand, permanent mold, investment, die castings & plaster mold castings. Worm gears are machined to high tolerances, up to 0.0005 in. Many types of gears are available for race car applications, including straight, spur, helical, straight & spiral bevel, miter, planetary & ring gears. Available are steel, stainless steel, aluminum, magnesium & titanium castings. This company specializes in the designing & manufacturing of tools & dies. Other services include secondary operations, coatings & assembly, anodizing, machining, CNC milling & turning.

Quality Gear Machine Inc. - Punxsutawney, PA
Manufacturer, Custom Manufacturer
Manufacture Gears