NKK is a manufacturer of a wide variety of push button switches. Offerings include ultra-mini, sub-miniature, miniature and standard sizes. Pushbuttons come in washable, 3 amp, high in-rush, non-illuminated, process sealed, snap-action, multi-element, bushing and snap-in, and other configurations.

STI builds many types of push button emergency and safety switches. Their "Universal Button" helps eliminate having to stock dozens of push button switches and comes in 240 different combinations. Also offered are stopper station fire models, momentary mushroom cap pushbuttons, and pneumatic adjustable timer buttons.

Switchcraft manufactures a wide array of round push button switches and square push button switches in both illuminated and non-illuminated configurations for a variety of military and industrial applications. Switchcrafts's small momentary switches, open frame or enclosed in rugged metal or plastic housings. Front or rear-panel mount types offer 1-A, 1-B, 1-C, or 1-D switching.

Trillium Controls Inc. is a designer and manufacturer of a large catalog of switch products including a wide array of non-illuminated flush push buttons in many colors. These 22.5 mm poly switches come in red, green, yellow, blue and more.

Switches Plus manufactures illuminated and non-illuminated heavy duty pushbutton switches. Options include choice of contacts, momentary or maintained actions, lens colors and shapes, and front or rear mounting. Their locking pushbutton switches can be locked in the actuated position.

IDEC manufactures industrial components including push buttons and pilot devices for a variety of applications. From miniature pilot lights and industrial switches that mount into 8mm panel cut outs through full size industrial switches that mount into 30mm cutouts, IDEC can offer and industrial switch or indicator for nearly any application.

ASI (Automation Systems Interconnect) manufactures push button switches and pilot devices available in standard 22mm size. A 30mm adapter is available. Types of electromechanical push button switches and pilot devices include oil-tight and watertight, NEMA 4, 4X and IP 65 construction, and a  modular design with rear panel mounting. Emergency stop and mushroom cap pushbuttons are also available.

EAO manufactures push button switches with snap-action or momentary switching elements, IP67 rated protection, LED illumination, and bevels for raised or flush mounting. Various sizes are available from 22.5mm to 30.5mm, and voltages from 42 VAC to 400 VAC.

BACO Controls designs and manufactures pushbuttons,l cam switches and disconnect switches in a variety of sizes. Push button switches from BACO come in a range of 22mm to 30mm sizes and offer excellent modularity for  a large choice of combinations with minimum number of items.

AutomationDirect is a distributor of push button switches, momentary switches, selector switches and emergency stop buttons. They offer 22mm metal, non-metal and plastic pushbuttons, as well as 30mm metal NEMA push button switches. Plastic pushbuttons are made with fiberglass reinforced thermoplastic for operator panel designs.