- McNeilus Steel, Inc.*
- Medtrade, Inc.*
- Metal Edge Partners LLC*
- Metals USA*
- Metrading International AG
- MetStrat Consulting
- Meyer Utiltiy Structures
- Midmark Corporation*
- MidWest Materials, Inc.*
- Mill Steel Company
- Minnesota Power
- MISA*
- MiTek USA, Inc.
- Morgan Stanley
- Morrison Products Inc.
- Morrison Products, Inc.
- National Material Company
- National Material Processing*
- Nippon Steel Trading Americas, Inc.*
- NLMK USA
- NLMK*
- North American Steel Alliance*
- North Shore Steel
- North Star BlueScope Steel*
- Northwest Pipe Company*
- NS BlueScope Coated Products NA
- NS BlueScope Coated Products North America
- Nucor Steel
- Nucor Steel Indiana
- nvent*
- Ohio Coatings Company*
- Ohio Pickling & Processing*
- Olympic Steel, Inc.*
- OMB Treasury
- OmniSource LLC*
- O'Neal Industries, Inc.
- O'Neal Steel
- OneSteel Trading Inc
- Optima Steel International LLC
- OTI*
- Pacific Metals Trading, Inc.*
- Petrosmith Equipment LP
- Phillips Tube Group
- Phoenix Metals*
- Priefert Mfg. Co., Inc.*
- Priefert Steel
- Prime Metal Buildings and Components*
- Promet Steel, Inc.*
- PSI Metals North America, Inc.*
- Qualty Metals Inc.
- Ratner Steel Supply Company*
- Reliance inc
- Reliance Sheet & Strip Company*
- Reliance, Inc.*
- Rock Trading Advisors, Ltd
- Russel Metals, Inc.*
- Ryerson Singer Steel
- Ryerson*
- S&P Global
- Sage Policy Group, Inc.
- Samuel Son and Co*
- Samuel, Son & Co., Limited*
- SeAH Steel America
- SeAH Steel Holdings
- SeAH Steel USA
- Seametal US LLC*
- Searing Industries*
- Sebright Products Inc.*
- Service Steel & Pipe*
- Shivom Steel LLC
- SIMS Metal Management
- Siskin Steel & Supply*
- Southern Coil Solutions LLC
- Southwark Metal
- SPS Companies, Inc.
- SSAB Americas*
- SSAB Special Steels
- SSAB*
- Standard Iron & Wire Works LLC
- Starcore
- State Steel
- Steel and Pipe Supply*
- Steel Dynamics Inc.
- Steel Manufacturers Association
- Steel Manufacturing and Warehouse Company*
- Steel Market Update*
- Steel Warehouse*
- Steelscape
- Steelscape LLC*
- SteelSummit Holdings, Inc.*
- Steelway Building Systems
- StoneX Financial Inc.
- Stout Risius Ross Advisors LLC
- Superior Duct Fabrication, Inc.
- Superior Steel Supply LLC
- Tata International LTD
- Tata International Metals (America) Ltd.
- TCC America Corporation
- Ternium México S.A. de C.V.
- Ternium Mexico S.A. de C.V.*
- Ternium USA, Inc.*
- Texas Iron and Steel
- The Greenbrier Companies*
- The Heico Companies
- The Marks Group PC
- The Toro Company
- thyssenkrupp Materials Trading NA*
- Toro Company
- Toyota Tsusho America*
- Toyota Tsusho America, Inc.
- Trane Technologies*
- Tri County Metals
- Triad Metals international
- Trinity Industries*
- TrinityRail
- Triple-S Steel Holdings
- Triple-S Steel Holdings, Inc
- Triple-S Steel Holdings, Inc.*
- Tufts Grinding
- Tufts Grinding, Inc.
- UNICOIL
- Union Pacific Railroad*
- Valmont Industries, Inc.
- Valtir*
- Venture Steel
- Viking Materials, Inc.*
- Waelzholz North America LLC
- Wallner Expac, Inc.*
- Webco Industries*
- Welser Profile
- Welser Profile Austria GmbH
- Welser Profile North America
- West Central Steel Inc.
- Wheeling-Nippon Steel, Inc.*
- Whirlpool Corporation*
- Whirlwind Steel Buildings
- Wolfe Research
- Worthington Enterprises
- Worthington Steel*
- Zekelman Industries*
* Denotes more than one attendee