19 Concrete piers; abutments made of precast concrete panels; abutments made of reinforced soil; concrete bearing pads; backwalls made of precast concrete
6 Steel bridge products, namely, modular panel bridges, prefabricated bridges and parts and fittings thereof; metal girders; guiderails made of metal; backwalls made of metal; abutments made of metal; metal decking
39 Rental services, namely, renting bridges and parts thereof to others
42 Bridge design services; engineering design services in the field of bridge construction