Tri-Alliance Incorporated
- Experienced in cement, lime, lime mud, soda ash, incineration, carbon black, and various other mining and chemical processes. Includes photos, descriptions of services and contact details.
- http://www.trialliance.net/

Atlas Minerals & Chemicals, Inc.
- Manufactures corrosion resistant mortars, grouts, linings, coatings, flooring and polymer concrete as well as putties and glues, specialty asphalt, sulfur and other industrial chemicals, and fabricates plastic. Includes PDF data sheets for most products.
- http://www.atlasmin.com/