| 13111000 |
Resins |
| 22101600 |
Paving equipment |
| 23151800 |
Pharmaceutical industry machinery and equipment and supplies |
| 25101700 |
Safety and rescue vehicles |
| 25172100 |
Vehicle safety and security systems and components |
| 30111500 |
Concrete and mortars |
| 30121700 |
Road and railroad construction materials |
| 30152000 |
Fencing |
| 30191800 |
Temporary construction and maintenance support equipment and materials |
| 32101500 |
Circuit assemblies and radio frequency RF components |
| 32151800 |
Safety control devices |
| 41112800 |
Transportation related equipment and instruments |
| 46151500 |
Crowd control equipment |
| 46151600 |
Security and control equipment |
| 46161500 |
Traffic control |
| 46181500 |
Safety apparel |
| 46181600 |
Safety footwear |
| 46181700 |
Face and head protection |
| 46181800 |
Vision protection and accessories |
| 46181900 |
Hearing protectors |
| 46182000 |
Respiratory protection |
| 46211500 |
Workplace safety training aids and materials |
| 46211600 |
Work area marking and visual indicators |
| 55121700 |
Signage |
| 55121900 |
Signage equipment |
| 72141000 |
Highway and road construction services |
| 72141200 |
Marine construction services |
| 72141500 |
Land preparation services |
| 72141600 |
Mass transit system construction services |
| 72141700 |
Construction machinery and equipment rental or leasing services |
| 72151900 |
Masonry and stonework services |
| 72153100 |
Athletic and recreational facility construction services |
| 72153200 |
Coating and caulking and weather water and fireproofing services |
| 72153700 |
Parking facility construction and equipment installation and maintenance and repair services |