Activar Construction Products Group - J.L. Industries 
JL offers several lines of safety railings to prevent falls into rooftop openings including the Saf-T-Hatch™ railing that fits all brands of existing roof hatches with cap flashing - field adjustable to fit flashing size. Order with rigid gate to meet OSHA requirements for walking/working surfaces.
Delta Prevention
Non-penetrating roof safety railing made in Canada. Industry's best corrosion resistance thanks to recycled-rubber counterweight base and anodized aluminum railing. Compliant with OSHA and Canadian building code standards. 10 year warranty on all systems. Compliance certification included. 50 lb counterweights ensure easy installation and no damage to roof membrane. 2 configurations to maximize versatility.
Safety Rail Company 
Manufactures SRC360 Mobile Safety Rail an OSHA compliant, passive fall-protection system that installs without tools or roof penetrations. Unique design allows 360 degree rotation within base to allow easy installation around obstacles. No intermediate support railings are required which reduces cost and trip hazards. Made in the USA by AWS certified welders. RAL powder coat colors and galvanized finish available.
Are You Looking for Local Building Product Manufacturers?
This search - also found at the bottom of every section page - returns the manufacturers listed on this page sorted by home office zip code order. The results include website link, City, State and Zip plus phone number.
See also:
07 7230 - Roof Hatches - for roof hatch fall protection
11 2400 - Maintenance Equipment - for window cleaning equipment
Activar Construction Products Group - J.L. Industries
JL offers several lines of safety railings to prevent falls into rooftop openings including the Saf-T-Hatch™ railing that fits all brands of existing roof hatches with cap flashing - field adjustable to fit flashing size. Order with rigid gate to meet OSHA requirements for walking/working surfaces.
Delta Prevention
Non-penetrating roof safety railing made in Canada. Industry's best corrosion resistance thanks to recycled-rubber counterweight base and anodized aluminum railing. Compliant with OSHA and Canadian building code standards. 10 year warranty on all systems. Compliance certification included. 50 lb counterweights ensure easy installation and no damage to roof membrane. 2 configurations to maximize versatility.
Safety Rail Company
Manufactures SRC360 Mobile Safety Rail an OSHA compliant, passive fall-protection system that installs without tools or roof penetrations. Unique design allows 360 degree rotation within base to allow easy installation around obstacles. No intermediate support railings are required which reduces cost and trip hazards. Made in the USA by AWS certified welders. RAL powder coat colors and galvanized finish available.