Profile: American Colloid Co. is a producer of bentonite clay. Bentonite's unique chemical structure gives it a diverse range of capabilities, enabling it to act as a thickener, sealant, binder, lubricant or absorbtion agent. Our principle markets include metalcasting, pet products, oil and gas well drilling, industrial specialties and agriculture. Our premium gel is ideal for multiple applications in oil well drilling. The Company's Pet Products Group also offers a complete line of traditional, scoopable and alternative cat litters. Our trademark Additrol line is an industry standard in the metalcasting industry. Ferro-alloy bricks and briquettes are also part of the Metalcasting Products Group's product line.