Mineral and slag products, namely, abrasives in the form of blast grit and friction granules for use in finishing, cleaning and abrading surfaces of all kinds

[ Railroad safety grating made of metal; metal grating used for walkways, platforms, floors, stairs, catwalks and other sundry applications; steel and aluminum bar grating and stair treads having a slip resistant surface bonded thereto, sold as a unit ] [; wall forms and frame shoring and forming made of steel and aluminum for the pouring and support of concrete structures; sectional tubular steel and aluminum scaffolding and shoring and forming, being prefabricated sectional units and their component parts, namely, couplers for joining scaffolding elements, metal brackets and guard rails; metal scaffolding planks; pre-engineered steel and aluminum forms for concrete form systems consisting of joists, trusses, frames and posts ]

[Solids blenders, mixing, and drying machines for commercial and industrial use;] railroad track construction and maintenance machines; power actuated tools, namely, lifting platforms, decks, chairs, boom and scissor lifts, and electric, battery, diesel or bi-fueled power units for operating the aforesaid power actuated tools; [powered access equipment, namely, motorized swinging scaffolds;] tie inserter/remover machines; tie crane; tie distribution/loading machine; tie bed scarifier machines; spike driver machines, spike puller machines and spike/anchor reclaimer machines; railroad track maintenance machines, namely, anchor applicator/adjuster, anchor spreader, anchor remover; clip applicator and clip remover machines; machines, namely, ballast regular, ballast broom, ballast undercutter, ballast cleaner, production rail grinder, switch and crossing grinder, rail milling machine; production tamping machine; switch tamping machine; drone tamper machine; stone blower; switch stone blower; gantry crane; tie plate broom machines for cleaning track; rail straightening machines; track stabilizer machines for applying controlled vibrational forces into the track structure to increase and improve the vertical and horizontal stability of the track

[Computer software for managing scaffold inventory and utilization]

[ Air-cooled heat exchangers for the oil and gas industry; commercial and industrial boilers; water heaters for industrial use ]

Tie cart; bulk spike cart; hy-rail vehicle; land vehicles, namely, rail corrugation measurement car and rail train, track geometry measurement vehicle, wayside measurement vehicle, catenary measurement and repair vehicle, multi-purpose track repair vehicle; track renewal train, new track construction train, and automated switch inspection vehicle; adjustable wheeled assemblies for adapting motorized highway vehicles for use on a railway track

Mineral based products, namely, non-metal roofing granules comprised primarily of coal slag for the manufacture of shingles, sheeting and other roofing surfaces, abrasives and metal slag-based materials; non-metal roofing granules comprised primarily of coal slag for the manufacture of shingles, sheeting and other roofing surfaces

Business management services in the nature of on-site management of railway track repair, maintenance and construction; [business management services in the nature of on-site management of scaffolding and shoring and forming operations;] business management services in the nature of on-site management of raw materials and by-products from the iron and steel making process; inventory control of raw materials and finished metal products; operating facilities for handling, processing and preparation of metal containing by-products

Railway track construction, maintenance and repair services; leasing of railway construction and maintenance machines; [ maintenance and repair of air-cooled heat exchangers; ] [ construction services, namely, erecting and dismantling access platforms and scaffolding, fencing, barriers and concrete forming and shoring; rental of scaffolding, fencing, barriers and concrete forming and shoring; maintenance and repair of scaffolding and forming and shoring;] reconditioning and servicing of steel making and processing equipment, namely, installation, cleaning, repair and maintenance services; cleaning and maintenance of steel making and processing facilities; extraction of dust and fumes that are generated during the scrap cutting or metal pouring operation; building facilities for handling, processing and preparation of metal containing by-products; erection and dismantling of temporary structures, fencing, barriers and temporary flooring[; rental of temporary scaffolding, power-operated platforms, forming walls and floors to retain wet concrete during its drying process, and stages, grandstands, turnstiles, fencing and temporary roadways for outdoor leisure and sporting events]

Warehousing services, namely, storage, packing and transporting of raw materials and finished metal products; packaging, transporting and delivery of raw materials, finished metal products and by-products by road, rail or barge

Purification and extraction of metals by chemical and magnetic methods; material treatment, namely, handling, preparation and processing of raw materials and by-products; slab slitting, cutting and surface conditioning; metal reclamation services; recovery of by-products in steel and metals production; services in injecting chemical products for use in the casting of molten metal or cement and for the treatment of waste materials and metal containing scrap; recycling services for metal industry by-products

Engineering and railway track maintenance consulting services to assist railroads with the technical analysis of the current condition of the components of their infrastructure, modes of component degradation/failure, the rate of deterioration and interactions of these components, forecasting of life of these components in service, and assistance with scheduling repair and replacement programs; engineering services in the metallurgical and infrastructure industries;[ consultation in the field of designing access solutions, namely, platforms, decks, lifts and chairs, and special formwork structures for construction projects in the infrastructure industry;] analysis and testing of materials related to metal reclamation and recovery; [research and development services of technology], in the fields of logistics, environment, industrial services, and maintenance that reduce the customer's overall cost of ownership, all relating to the metallurgical industry; research and development services of technology, [in the field of construction engineering of temporary structures; ]research and development services of technology, in the fields of new inspection technology for the track or vehicles, understanding fundamentals of track behavior or degradation, vehicle-track dynamic interaction, and new switch or turnout designs, all relating to the railway industry; research and development services of technology, in the fields of stainless steel slag mineral co-product usage, roofing, abrasive blasting and filtration, all relating to the minerals industry; design of facilities for handling, processing and preparation of metal containing by-products