North American Minerals Corp. - West Des Moines, IA
Distributor, Service Company
Distributor of manganese. Sourcing & importing of steel making raw materials. Distributor of metals, minerals, chemicals & other raw materials. Importer of metals, minerals, ferro alloys, chemicals, & raw materials. Sourcing & importing steel making raw materials from South Africa into the US. Sourcing of raw materials from over 20 different countries that ultimately find their way into over 40 different industries. Some of the industries supplied include steel, leather, aluminum, chemical, pharmaceutical, water treatment, agriculture, aerospace & defense, automotive, currency, wood & paper, floropolymers, animal feed, oil drilling, health care, home goods, & sporting goods. Precious metals imported include a complete range of platinum group metals.  These metals include platinum, osmium, iridium, ruthenium, rodium, & palladium. Offered in both metal & salt form, these products have been used in the following industries, chemical catalysts, electron microscopes, electronics, electrical equipment, gas purification, fuel cells, plating, glass, & the medical industry. A wide range of chrome products, including metalurgical grade chrome ore, foundry sand chrome ore, chromic acid, basic chrome sulfate, & sodium bichromate. A complete line of leather tanning products. 
www.naminerals.com/aspx/OtherProducts.html

Allan Chemical Corp. - Ringwood, NJ
Distributor, Custom Manufacturer
Supplier of chemicals including magnanese. Products meet ACS, USP & FCC compendia. Producted sourced world-wide & warehoused locally for prompt shipping. Products specially produced to meet special needs.
www.allanchem.com

Morey Metal Industries, Inc. - Trenton, NJ
Service Company
Purchasing, processing & recycling of many types of scrap metals. Metals purchased, processed & recycled include aluminum, antimony, bismuth, brass, chrome, cobalt, columbium, copper, gold, Hastelloy®, Inconel®, magnesium, manganese, molybdenum, Monel®, nickel, palladium, platinum, rhenium, rhodium, silicon, silver, stainless steel 304, 316 & 400, steel, tantalum, tellurium, titanium, tool steel, tungsten & waspaloy. Forms of metals purchased include solids, turnings, sludges, ingot, swarf, grindings, & residues.
www.moreymetal.com/what-we-buy/

Metal Supermarkets - Hayward, CA
Distributor, Custom Manufacturer
Small quantities, aluminum, brass, copper, stainless steel, bearing bronze, alloy bar, tool steel, carbon steel

Commercial Metals Co. - Irving, TX
Manufacturer, Custom Manufacturer, Service Company
Manufacturer of steel fabrications & scrap service

Commercial Metals Co. - Corpus Christi, TX
Custom Manufacturer, Service Company
Scrap dealers

Super Conductor Materials, Inc. - Suffern, NY
Manufacturer, Custom Manufacturer
Manufacturer of manganese. Available as sputtering targets & evaporation crucibles in forms such as chunks, pellets, rods, slugs, tablets, foils, powders, shots, starter sources & wires. Available in purities from 99.9% to 99.95%.

Commercial Metals Co. - North Augusta, SC
Custom Manufacturer, Service Company
Scrap Metal Dealers, Recycling

Beaver Valley Alloy - Monaca, PA
Manufacturer, Custom Manufacturer, Service Company
Castings to specs., patterns

St. Lawrence Steel Corp. - Streetsboro, OH
Distributor, Manufacturer, Service Company
Custom fabricator of non-magnetic manganese steel. Specifications include 600 BHN hardness & 1/4 in. to 4 in. thickness. Materials also include alloy steel with chromium carbide welded overlay plate, nickel-chrome-moly & nickel alloy. Capabilities include CNC precision burning, designing, drilling, forming, on-site engineering, welding & machining. Industries served include mining, glass plant, foundry, steel mill & pulp paper.

Stampings, Inc. - Cincinnati, OH
Manufacturer, Custom Manufacturer
Manufacturer of manganese steel stampings.; Manufacturer

Commercial Metals Co. - Clute, TX
Custom Manufacturer, Service Company
Scrap dealers.

KB Alloys, LLC. - Reading, PA
Manufacturer
Grain Refiner, Hardener & Special Purpose Aluminum-Base Master Alloys

CMC Recycling - Jacksonville, FL
Custom Manufacturer, Service Company
Recycling Service

Cal Plastics & Metals - Chula Vista, CA
Manufacturer, Custom Manufacturer, Service Company
Distributor of manganese alloyed with aluminum. Available in non heat treatable common alloys in various percentages from 0.8 to 1.2%.

Espicorp Inc. - Ashland, OR
Manufacturer, Service Company
High Purities

Reagents - Charlotte, NC
Distributor, Manufacturer
ISO 9001:2000 certified manufacturer & distributor of manganese. Manganese is available in plastic bottle packaging in 100 mL & 500 mL quantity.

Accumet Materials Co. - Briarcliff Manor, NY
Manufacturer
High Purity Powders, Alloys & Single Crystals, Ceramics & Optical Materials. Metal & Oxide Powders In Wire & Other Forms

Michigan CAT - Milford, MI
Distributor
Distributor of crushers, screens, asphalt bins & feeders & manganese.
Brand Names: AMSCO, Foothills Steel Foundry

Sipi-Metals - Chicago, IL
Manufacturer, Service Company
ISO 9001:2000 certified manufacturer of standard & custom manganese including electrolytic manganese. Available in chunk forms with purity of 99%. Manganese melting temperature ranges from 2280 degrees F to 2350 degrees F with 5 min holding time.

Inorganic Ventures - Christiansburg, VA
Manufacturer, Service Company
ISO/IEC Guide 34:2000, ISO/IEC 17025 & ISO 9001:2008 certified manufacturer of standard & custom manganese chemicals. Available as ICP & ICP-MS standard & atomic absorption standard chemicals. ICP & ICP-MS standard manganese chemicals are available in 10 ppm, 100 ppm, 1000 ppm & 10000 ppm formulations. Physical & chemical properties of manganese chemicals include pink liquid form, pH value from 0 to 2 & boiling point temperatures up to 100 degrees C.

Stanford Materials - Aliso Viejo, CA
Distributor, Manufacturer
Worldwide manufacturer of various oxides, metals, alloys, advanced ceramic materials & minerals for research & development & manufacturers in the ceramic, metallurgy & electronic industries.

Specialty Steel Supply, Inc. - Pinehurst, TX
Distributor, Custom Manufacturer, Service Company
Distributor of stainless steel alloys containing elements including carbon, chromium, copper, manganese, molybdenum, nickel, platinum, titanium & zircon. Various grades of stainless steels including austenitic, precipitation hardened, duplex, nickels & matensitic steel available. Different types of stainless steel alloys available including nickel & duplex round, square, hexagon & flat bar. Industries served include medium & heavy duty electric motors, power transmission, bearings, suspension parts, turbine blades, hand tools, automotive parts & fasteners & marine outboard engines.

SCM Metals - Research Triangle Park, NC
Manufacturer, Custom Manufacturer
Electrolytic Manganese Powder In Mesh Sizes From -40 To -325

Hummel Croton Inc. - Plainfield, NJ
Distributor, Manufacturer, Custom Manufacturer, Service Company
Manufacturer, Distributor