Plough Penny Partners
An investment firm that manages the assets of the Traphagen family.
http://www.ploughpenny.com/

Schering-Plough Animal Health Corporation
International research-based development and manufacturing company. Includes list of species-specific product sites.
http://www.spah.com/usa/

Schering-Plough
Schering-Plough is an innovation-driven, science-centered global health care company. Through its own biopharmaceutical research and collaborations with partners, Schering-Plough creates therapies that help save and improve lives around the world. The company applies its research-and-development platform to human prescription and consumer products as well as to animal health products. Schering-Plough's vision is to Earn Trust, Every Day with the doctors, patients, customers and other stakeholders served by its colleagues around the world. The company is based in Kenilworth, N.J.
http://www.sch-plough.com/

Plough Engineering Services Ltd
Plate Heat Exchangers and Heat Exchanger Services from Plough Engineering, a specialist and well established UK Heat Exchanger Company.
http://www.plougheng.co.uk/

The Plough Publishing House
Publishes books on a wide range of subjects, concentrating on titles that "explore the intersection of spirituality and social issues such as justice, nonviolence, education, and community."
http://www.plough.com

Soil working equipment
Ovlac : Principal fabricante y distribuidor de arados de vertedera y maquinaria agrícola
http://www.ovlac.com

Falc
La Falc produce vangatrici, fresatrici, erpici rotanti, trinciatrici, aratri rotativi, elevatori idraulici. La FALC fu fondata nel 1960 dall'attuale Presidente PIERO ZAMA, con lo scopo di produrre una macchina agricola completamente nuova ed innovativa, ideata dallo stesso fondatore: la vangatrice
http://www.falc1960.com/

Society of Ploughmen
Organisers of the annual British National Ploughing Championships in a different part of Great Britain each year. The event includes modern tractor ploughing, vintage ploughing & machinery demonstrations, horse ploughing, steam engines, country crafts, trade stands and modern machinery demonstrations
http://www.ploughmen.co.uk/

Boss Products
Snow Plows and Snow Removal Equipment by The BOSS. Snow Plow Manufacturer featuring Plows, Snowplows, Snow Blades, Snow Plow Parts, Salt Spreaders and Truck Snow Plows for Snow Plowing
http://www.bossplow.com/

Billion Belt Scrapers
Manufacturing and installation of conveyor belt scrapers and ploughs. Cold ply belt splicing. Sales and service of belt scrapers.
http://www.billion.co.za/