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.