MariCal 
An aquatic life sciences company that develops and licenses innovative solutions addressing the critical problems faced by the aquaculture industry including an adaptive process that allows salmon to move from freshwater to saltwater according to production requirements and independent of season.
http://www.marical.biz/Amatikulu Aquarium Plants
Detailed information of aquarium plants, their growth, propagation and maintenance as well as photos and plants for sale. Based in South Africa.
http://www.aquariumplants.co.za/
Lake Restoration Inc.
Provide products and services aimed at improving both lake and pond weed control.
http://www.lakerestoration.com/
Acadian Seaplants Limited
Manufacturer of natural, specialty fertilizers, crop biostimulants, feed, food, food ingredients and brewery supplies derived from select species of marine plants.
http://www.acadianseaplants.com/
Miami Aqua-culture Inc.
Livestock supplier and equipment purchasing agents for aquaculture companies, public aquaria and marine research groups.
http://www.miami-aquaculture.com/
Tropica Aquarium Plants
Producer and distributor of aquarium plants, with information on their care. Based in Denmark.
http://www.tropica.com/
Abalone Ranching
Prospective producer of pink and red abalone at Point Loma, San Diego. Project information and contacts.
http://www.maritechor.com/
Aquaponic systems
General information on establishing and maintaining an aquaponics system, based on domestic scale systems in Australian conditions. Designs, photogallery, contacts.
http://members.iinet.net.au/~jmalcolm/index.htm
Reed Mariculture Inc.
Produce marine microalgae concentrates as a food source for the world's aquaculture industry.
http://www.reed-mariculture.com/
