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Brock Grain Systems

Catwalks and Towers

  • Standard catwalk span lengths up to 190 feet (58 meters) as well as custom trusses built to order.
  • Three styles of catwalks with a variety of finish options.
  • Brock's RightFit Design Catwalk support tower option offers economical 10-ft (3-m) sections and easier installation while maintaining the high quality expected from Brock Towers.
  • Patented Slot and Tab System connections offer easy assembly and precision consistency for exceptional connection strength.

Global Fabrication, Inc.


  • Complete product line including handrail truss, walk through truss, and mid/end walk-arounds.
  • Welded side panels with bolt in cross members.
  • Grip strut, expanded metal, and bar grating walkway options (any width).
  • Hot-dipped galvanized, powder coat, and paint options available.
  • Custom designed to meet customer span, weight, and layout requirements.


QuickBolt Towers and Catwalks

  • Industry leading strength-to-weight ratios.
  • Simple connections and alignment guides, along with a reduced number of bolts and pieces aid in the ease of field assembly.
  • Custom designed catwalks can be built with spans well over 200 feet.

Hoffmann, Inc.

Winding Sidewall Stairs

  • Hoffmann Winding Sidewall Stairs for new or retrofit concrete silos and welded storage tanks.
  • Steel fabricated compliant with OSHA standards.
  • 2-3 day installation.
  • Provides less employee fatigue.

Honeyville Metal Inc.

Catwalks/Conveyor Supports

  • Galvanized bolted construction with hot-dip galvanized weldments.
  • Pre-assembled with handrails only knocked down to reduce field labor.
  • Bottom box truss design with 24 in. wide
  • gripstrut walkways and handrails.
  • 46 in. x 24 in. model for 40 ft. clear spans
  • and 72 in. x 30 in. model for 60 ft. clear spans.
  • 4-leg support towers for each catwalk model.
  • 2-leg bin sidewall towers with bin stiffener
  • adjustable anchors.
  • Engineered for supporting horizontal and incline drag conveyors.

Sukup Manufacturing Company


  • Welded tubular side construction with bolt-in bottom.
  • Hot-dipped galvanized finish.
  • Standard 2 ft. walkway.
  • 5 ft., 8 ft., 9 ft., 10 ft., and 20 ft. sections available. Bolt together different combinations of sections to provide overall catwalk lengths in increments of 1 ft., starting at 13 ft.
  • Patent pending wind plates provide a solid connection and offer more resistance to torsion than current connection methods offered by competitors.
  • Knock-down design for economical shipping.

Sheffield , IA • 641-892-4222 info@sukup.com

Sweet Manufacturing Co

Silver Span®II Conveyor Support System

  • All galvanized construction with USA prime steel, including hot-dip galvanizing of all structural steel (G140 and stainless optional).
  • 5-, 10-, 15-, and 20-foot modular section lengths.
  • Bolted assembly for easier installation and service.
  • 18 inch truss up to 60 feet or 30 inch truss up to 75 feet – both at 40 lbs. per foot conveyor loading.
  • Silver Grip® grating walkway.
  • Intermediate support towers vertical load capacities up to 20,000 lbs.
  • Heavy cord angle option for longer spans and heavier loads.

Warrior Mfg., LLC


  • Professionally engineered for any load/span combination.
  • Factory-welded in 40-foot sections allows for quickest installation in the industry.
  • Factory-installed conveyor stringers make for seamless integration with the conveyor.
  • Custom engineered for your specific project requirements.

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