| S.T. Labor - Straight Time Labor. Work performed during normal work hours at the standard rate. Compare with D.T. Labor, Overtime. |
| Schematic Model - A diagram in model form. |
| Scissors Lift - A motorized platform used to lift people to a given height. |
| Scooter - An electric or gas cart used to transport people and materials. |
| Scrim - Fabric which is opaque when lighted from the front and transparent when lighted from the rear. |
| Security Cages - Cages provided to exhibitors for locking up materials. |
| Self-contained Exhibit - A display which uses the shipping case as an integral part of the exhibit. |
| Service Desk - The location at which exhibitors order services from show management. |
| Service Kit - A packet of show-related information and order forms provided to exhibitors by show management. Also called Exhibitor Kit. |
| Set Up - The process of erecting an exhibit from its components. Also called Assembly, Installation. |
| Set-up Drawing - Drawings which give detailed instructions for the installation of an exhibit. |
| Shipping Case - A reusable container for transporting exhibit materials. |
| Shipping Crate - A wooden container for transporting exhibit materials, which may be designed for a single use or custom built for extended reuse. |
| Show Break - Time specified for the closing of an exhibition and beginning of dismantling. |
| Show Decorator - A company or individual responsible for providing draping, carpeting, and signage services for the trade show and its exhibitors. |
| Show Manager - The organizer and operator of an exposition. |
| Show Office - The show management office at an exposition. |
| Show Photographer - The show management appointed photographer for an exhibition. |
| Show Producer - An individual or company which manages trade shows, including leasing the exposition facility, hiring official contractors, and promoting the show. |
| Show Rules - The general rules and regulations governing a specific trade show. |
| Shrink Wrap - A process used to seal materials in transparent plastic. |
| Side Rail - A low divider wall, usually pipe and drape, used to divide one exhibit space from another. |
| Sign Standard - A frame on a stand into which a sign can be inserted for display. |
| Silk Screen - A method of creating graphics with a reusable stencil. |
| Skid - A low wooden frame used to support heavy objects or groups of materials for easier handling. Usually used as a platform for objects moved by forklift. Also called Pallet. |
| Skirting - Decorative covering around tables and risers. |
| Smoker - Ashtray stand. |
| Soffit - A lowered portion of a ceiling. |
| Space - The area occupied by an exhibitor in the exhibition hall. |
| Space Rate - The cost per square foot of exhibit area. |
| Special Handling - Applies to exhibit shipments requiring extra labor, equipment, or time for delivery to exhibit space. |
| Spotlight - A lamp that provides a defined circle of light. |
| Staging Area - A location used for demonstrations. |
| Stanchions - Posts used to support signage or other elevated objects. |
| Stand - European term for booth. |
| Stock Exhibits - A predesigned display modified for a particular use by the exhibitor. |
| Subcontractor - An individual or company retained by a general contractor to provide services. |