Agilent, Altex, Aminco, A.B.I., Applied Research Lab, A.C.S., Barspec, Bausch & Lomb, Beckman Coulter, Biorad, Biotronic, Buchler, Camag, Camspec, Cecil, Cary, Carlo Erba, Coleman, Columbia Science, Dionex, Dupont, EM Science, Erma, GBC, GE Healthcare Life Sciences, Gilford, Gilson, Hewlett Packard, Hitachi, Hi-Tech, Hyperquan, IBM, Isco, Jasco, Jobin Yvon, Joyce Loebl, Knauer, Kontron, Kratos, LDC, Lear Siegler, Linear, LKB, McPherson, Measurex, Meloy Labs, Micromeritics, Milton Roy, Nicolet, Oriel, Optica, Perkin-Elmer, Philips, Pye Unicam, Saitron, Secoman, Shimadzu, Spectra Physics, Thermo Environmental, Tracor, Turner, Varian, Waters, Wellchrom and Zeiss.
