Pompeian Manufacturing
Ballasts.Universal Florescent Ballast One fits All, Hand Crafted Chandeliers, Capodimonte Gifts,Lighting Fixture
http://www.pompeianmfg.com

Ad Hoc Panel on Ballast Water Management
Studies the various aspects of ballast water management to prevent the spread of non-indigenous species and other undesirable matter transported in ships' ballast tanks.
http://www.sname.org/committees/addhoc/bwm/BWMplan.html

National Ballast Water Information Clearinghouse
The Marine Invasions Research Lab at the Smithsonian Environmental Research Center (SERC) studies the invasion of Chesapeake Bay and other areas by nonindigenous species. Research projects include the Nonindigenous Species Database and the National Ballast Water Information Clearinghouse.
http://invasions.si.edu/ballast.htm

OptiMar Ballast Systems
Practical solutions for ballast water treatment. MicroKill kills organisms and pathegens that may spread to new coastal areas.
http://www.ballastwater.com

Ballast Nedam
Undertake harbour works, tunnels, bridges and land reclamation projects. Features a project portfolio, overview of services, news, and career opportunities.
http://www.ballast-nedam.com/

Mars Metal Company
Offers specialty lead casting including counterweights, weights, nuclear and medical radiation shielding, lead bricks, lead sheet, lead shot, anodes, ballast, keels, downrigger weights and ballast.
http://www.marsmetal.com/

Sersa Group
Die Sersa Group ist eine europaweit agierende Bahntechnikunternehmung, die sich als wirtschaftlicher und flexibler Gesamtanbieter einen Namen im Gleisbau gemacht hat
http://www.sersa-group.com/

HanYoung Electric
Manufacturer of HID ballast, HID lamp, industrial, fluorescent and neon transformers. From Korea.
http://www.hanyoungelc.com/

Air Cycle Corporation
Air Cycle is a provider of lamp recycling, battery recycling, ballast recycling, and electronics recycling services.
http://www.aircycle.com

Tandem Technologies, Inc.
Develops and offers ballast water treatment systems for oceangoing vessels.
http://www.tandemtechnologies.com/