| Business | Phone |
| American President Lines Ltd 1200 G St Nw # 800, Washington 20005 | (202) 331-1424 |
| Diversified Transportation Svc 2307 Martin L King Jr Ave Se, Washington 20020 | (202) 889-7200 |
| Eno Transportation Foundation 1634 I St Nw # 500, Washington 20006 | (202) 879-4700 |
| Generation Inc 2318 Minnesota Ave Se, Washington 20020 | (202) 575-0461 |
| Stevedoring Services 1850 M St Nw, Washington 20036 | (202) 223-5370 |
| Aerolink Transportation Dulles International Airport, Washington 20041 | (703) 572-4580 |