Grant Dennis

Diamond Mattress Co., Inc. manufactures mattress. Its also offers mattress toppers, adjustable foundations, pillows and mattress protectors. The company was founded in 1946 and is headquartered in Rancho Dominguez, CA.

Pleasant Mattress, Inc. manufactures mattress and futons. Its products include hospitality mattresses, conventional mattresses, futons, camp mattresses and power bases. The company was founded by Ernst Morgenstern in 1959 and is headquartered in Fresno, CA.

Spring Air International LLC manufactures mattresses and sleep sets. The company was founded by Francis Karr in 1926 and is headquartered in Chelsea, MA.

The Original Mattress Factory, Inc. provides mattress and mattress shopping experience for customers. It offers adjustable beds, heavy-duty bed frames, headboards, beds, mattress accessories, mattresses and box springs. The company was founded by Ron Trzcinski in June, 1990 and is headquartered in Cleveland, OH.

Atlanta Attachment Co., Inc. is a machinery supplier for various industries such as mattresses, apparel, automotive interior, and furniture manufacturing. The private company is based in Lawrenceville, GA and was founded in 1969 by Elvin Price. The company offers heavy-duty sewing machinery, packaging equipment, sewing automation equipment, and other supportive machines for the sewn products industry.