Livetime LLC, 3314 State Highway 57, De Pere, WI 54115, US

Delta Education provides inquiry-based science and math materials and language arts products for education institutions throughout the United States. The company produces research-based products, including the most widely used elementary school hands-on science program, FOSS. FOSS was developed under a National Science Foundation grant at the University of California, Berkeley. Other divisions of Delta Education include Educators Publishing Service, based in Cambridge, Mass. EPS has been developing literacy materials for differentiated instruction for more than 50 years. Their leading products include Explode the Code , Worldly Wise 3000 and S.P.I.R.E. Delta Education has been in business for more than 30 years and is located in Nashua, N.H.