SHIM vs APT Comparison

Shimmick Corp is a provider of water and other critical infrastructure solutions nationwide. It selectively focuses on the following types of infrastructure projects: Water Treatment, Water Resources, and Other Critical Infrastructure. In water treatment projects the company expands, rehabilitates, upgrades, builds and rebuilds water and wastewater treatment infrastructure, including desalination plants. In water resources projects company builds, expands, and improves water storage and conveyance, dams, levees, flood control systems, pump stations, and coastal protection. In Other Critical Infrastructure projects, It builds, retrofits, expands, rehabilitates, operates, and maintains its nation's critical infrastructure, including mass transit, bridges, and military infrastructure.

Alpha Pro Tech Ltd is in the business of protecting people, products and environments. It is developing, manufacturing and marketing a line of disposable protective apparel and infection control products for the cleanroom, industrial, pharmaceutical, medical and dental markets. It also manufacture a line of building supply construction weatherization products that are sold under the Alpha Pro Tech brand name. The Company operates through two business segments: Building Supply and Disposable Protective Apparel. Key revenue is generated from Building Supply: consisting of a line of construction supply weatherization products. The construction supply weatherization products consist of housewrap and synthetic roof underlayment and synthetic roof underlayment accessories.