Industrial Gas Springs, Inc. - Exton, PA
Manufacturer, Custom Manufacturer
Manufacturer of adjusters including locking gas springs for adjusting chair height & table legs. Locking gas springs are available in 23 in. to 28 in. body dia. with 34 lbs. to 270 lbs. force.
www.indgassprings.com/locking.html

Industrial Seating Inc - Canby, OR
Manufacturer
Manufacturer of chair height adjusters. Products include seat pedestals & suspensions. Pedestals such as manual adjustable pedestals with swivel, screw-lift adjustable pedestals with swivel & standard pedestals with foot rail are available. Types of suspensions include spring suspensions with fixed tension, mechanical suspensions & adjustable air suspensions. Made in the USA.
www.industrialseating.com/

Specialized Marketing International - Wauregan, CT
Manufacturer, Custom Manufacturer
Manufacturer of shaft collars/fasteners including miniature shaft couplings. Shaft collars/fasteners are self-locking/quick release no tools required for threaded or non-threaded shafts/rods. Available in plastic, steel & stainless steel to fit a variety of English .123 to 3.0 in. & metric 3.175 - 76.2 mm shaft sizes, also in a variety of shapes including standard round, square, hex, or by design. Special designs currently available for telescoping pole & wore rope applications. Automatic break-away/release system available per design. Applications to secure, center &/or adjust including: reels, spools, rolls, bobbins, guides, latches, tables, stands & telescoping poles (height adjustment), connectors & more on shafts, rods, spindles, & mandrels among others.
Brand Names: Grip Fast

Suspa Incorporated - Grand Rapids, MI
Manufacturer
Pressure Cylinders, Gas Springs, Suspension & Damping Elements