236220 – Commercial and Institutional Building Construction
Construction (including new work, additions, alterations, maintenance, and repairs) of commercial and institutional buildings and related structures
238910 – Site Preparation Contractors
Site preparation activities, such as excavating and grading, demolition and disposal of buildings and other structures, utility disconnects, earthmoving, and land clearing.
561720 – Janitorial Services
Professional cleaning of building interiors and windows.
562112 – Hazardous Waste Collection
Collecting and/or hauling hazardous waste within a local area, to include the identification, treatment, packaging, and labeling of waste for the purposes of transport and disposal.
562910 – Remediation Services
Asbestos, lead paint, and other toxic material abatements.