United States customary units mass: tower, apothecaries', troy, avoirdupois, and metric. Of these, the avoirdupois weight is the most common system used in the U.S., although Troy weight is still used to weigh precious metals. Apothecaries weight—once used by pharmacies—has been largely replaced by metric measurements. Tower weight fell out of use in England (due to legal prohibition in 1527) centuries ago, and was never used in the U.S. The imperial system, which is still used for some measures in the United Kingdom and other Commonwealth countries, is based on avoirdupois, with variations from U.S. customary units larger than a pound. The pound avoirdupois,
Texas Precious Metals company maintained a business-to-business model serving the wholesale market, selling gold and silver bullion exclusively to coin shops and precious metals retailers. In May 2011, KTT purchased Texas Precious Metals outright from Saab & Company Inc., naming Tarek Saab as President of the new unit. Saab subsequently moved Texas Precious Metals into the consumer retail market. In 2014, Texas A&M University recognized Texas Precious Metals as a member of the 2014 Aggie 100 honoring the fastest-growing companies in the world, owned or operated by Texas A&M University former students. Texas Precious Metals was ranked #1 with a compound annual growth