Designed for a wide range of tapered and wide flanged beams, trolleys are commonly used for traversal load suspension. Typically, a hoist is attached to the trolley by a hook or leg suspender to maximize load suspension, mobility and durability when transporting items.

In accordance with the federal Occupational Safety and Health Act of 1970, often referred to as OSHA standards, the promotion of health and safety is foremost in the industrial and construction industries. In New York State alone, OSHA is responsible for promoting the safety of millions of employees and ensuring continued compliance with workplace health standards.

For various industrial and construction equipment specific inspection standards must be met in accordance with OSHA compliance and manufacturer specifications. Certified inspection practices are necessary to ensure proper equipment operation and safe working conditions.

As the borough with the largest area, Queens represents a large proportion of sites that require quality services of repair, rental, inspection, certification, installation, customization, preventative maintenance, and efficiency auditing of capital equipment.