| ILLINOIS |
| ArcelorMittal | Chicago | www.ArcelorMittal.com |
| Chicago Port Council | Joliet | www.theportofchicago.com |
| CN | Chicago |
| Illinois International Port District | Chicago | www.iipd.com |
INDIANA |
| Central Marine Logistics, Inc. | Griffith | www.centralmarinelogistics.com |
| Ports of Indiana | Indianapolis | www.portsofindiana.com |
MICHIGAN |
| Central Dock Company | Benton Harbor | |
| Consumers Energy | Jackson | www.cmsenergy.com |
| Detroit Edison | Detroit | www.dteenergy.com |
| Detroit/Wayne County Port Authority | Detroit | www.portdetroit.com |
| Dock 63 Inc. | St. Joseph | |
| Durocher Marine | Cheboygan | www.durocher.biz |
| Edw. C. Levy Co. | Detroit | www.edwclevy.com |
| Int’l Assn. of Machinists & Aerospace Workers | Washington Twsp. | www.iamaw.org |
| International Union of Operating Engineers, Local 324 | Livonia | www.iuoe.org |
| The King Co., Inc. | Holland | |
| Lake Michigan Carferry Service, Inc. | Ludington | www.ssbadger.com |
| Lakes Pilots Association | Port Huron | www.lakespilots.com |
| Luedtke Engineering Company | Frankfort | www.luedtke-eng.com |
| MCM Marine, Inc. | Sault Ste. Marie | www.mcmmarine.com |
| Michigan Maritime Trades Port Council, MTD, AFL-CIO | Algonac | www.seafarers.org |
| Pere Marquette Shipping Company | Ludington | www.pmship.com |
| Ryba Marine Construction Co. | Cheboygan | www.rybamarine.com |
| Seafarers International Union | Algonac | www.seafarers.org |
| Soo Marine Supply, Inc. | Sault Ste. Marie | |
| Verplank Dock Co. | Ferrysburg | |
MINNESOTA |
| Duluth Seaway Port Authority | Duluth | www.duluthport.com |
| Duluth Lake Port | Duluth | |
| Great Lakes Fleet/ Key Lakes, Inc. | Duluth | www.greatlakesfleet.com |
| Hallett Dock Company | Duluth | www.hallettdock.com |
| Marine Tech, LLC | Duluth | www.marinetechduluth.com |
MONTANA |
| Montana Coal Council | Helena | www.montanacoalcouncil.com |
NEW YORK |
| American Steamship Company | Williamsville | www.americansteamship.com |
| Gateway Trade Center, Inc. | Buffalo | www.buffalocrushedstone.com |
| Maritime Port Council of Greater New York & Vicinity | New York | |
| Port of Oswego Authority | Oswego | www.portoswego.com |
| Rand Logistics, Inc. | New York City | www.randlogisticsinc.com |
| St. Lawrence Seaway Pilots' Association | Cape Vincent | www.bridgedeck.org |
OHIO |
| American Maritime Officers, AFL-CIO | Toledo | www.amo-union.org |
| Cleveland-Cuyahoga County Port Authority | Cleveland | www.portofcleveland.com |
| Cliffs Natural Resources, Inc | Cleveland | www.cliffsnaturalresources.com |
| CSX Transportation, Toledo Docks | Toledo | www.csx.com |
| Faulkner, Muskovitz & Phillips, LLP | Cleveland | www.fmplaw.com |
| Grand River Navigation Company, Inc. | Avon Lake | |
| Great Lakes District Council, ILA, AFL-CIO | Cleveland | www.ilaunion.org |
| The Interlake Steamship Company | Richfield | www.interlake-steamship.com |
| Ironhead Marine, Inc | Toledo | www.toledoshipyard.com |
| ILA - Lake Erie Coal & Ore Dock Council | Toledo | |
| ILA - Local 1317 | Cleveland | |
| ILA - Local 1768 | Toledo | |
| Int'l Organization of Masters, Mates & Pilots | Cleveland | www.bridgedeck.org |
| International Ship Masters' Association | Brooklyn | www.shipmaster.org |
| Lafarge North America | Streetsboro | www.lafargenorthamerica.com |
| Lorain Port Authority | Lorain | www.lorainportauthority.com |
| Lake Carriers’ Association | Cleveland | www.lcaships.com |
| Midwest Terminals of Toledo, International, Inc. | Toledo | www.midwestterminals.com |
| Osborne Concrete & Stone Co. | Grand River | www.osbornecompaniesinc.com |
| Pickands Mather Lake Services Company, Inc. | Kirtland | www.pickandsmather.com |
| Tata Steel | Warren | www.tatasteel.com |
| Toledo-Lucas County Port Authority | Toledo | www.toledoportauthority.org |
| Toledo Port Council, MTD, AFL-CIO | Toledo | |
| United Steelworkers of America, District 1, AFL-CIO-CLC | Warrensville Hts. | www.uswa.org/ |
| United Steelworkers of America, Local 5000 | Middleburg Hts. | |
PENNSYLVANIA |
| Apex Offshore Wind, LLC. | Erie | www.apexwind.com |
| Carmeuse Lime, Inc. | Pittsburgh | www.carmeusena.com |
| Donjon Shipbuilding & Repair | Erie | www.donjonshipbuilding.com |
| US Steel Corp. | Pittsburgh | www.ussteel.com |
VIRGINIA |
| Norfolk Southern Corporation (coal shipping docks in Sandusky, Ohio, and Ashtabula, Ohio) | Norfolk | www.nscorp.com |
WISCONSIN |
| Bay Shipbuilding Company | Sturgeon Bay | www.manitowocmarine.com/ |
| Brown County Port & Solid Waste Dept. | Green Bay | www.co.brown.wi.us/solid_waste |
| Fox River Dock Co., Inc. | Green Bay | |
| Fraser Shipyards, Inc. | Superior | www.frasershipyards.com |
| City of Superior Planning Dept. | Superior | www.ci.superior.wi.us/ |
| Midwest Energy Resources Company | Superior | www.midwestenergy.com |
| The Port of Milwaukee | Milwaukee | www.milwaukee.gov/port |
| Western Great Lakes Pilots' Association | Superior | www.wglpa.com |
GREATER WASHINGTON, DC |
| American Great Lakes Ports | Washington, DC | www.greatlakesports.org |
| American Maritime Officers Service, AFL-CIO | Washington, DC | www.amo-union.org |
| MEBA, AFL-CIO | Washington, DC | www.d1meba.org |
| Int'l Brotherhood of Boilermakers | Fairfax, VA | www.boilermakers.org |
| KL Gates | Washington, DC | www.klgates.com |
| Transportation Institute | Camp Springs, MD | www.trans-inst.org |