| ACROS | ABI |
| ABGENE | ACCURATE |
| ACCUSTANDARD | ADVANCED IMMUNOCHEMICAL |
| ADVENT | ANASPEC |
| ALERCHEK | ABP |
| ALDRICH | ASINEX |
| ADVANTEC MFS | ACCUMET |
| AVOCADO | AMRESCO |
| AMERICAN RADIOLABELED CHEMICAL | ACE GLASS |
| ANALTECH | BIOGNOSTIK |
| ASSAY DESIGN | BIORON |
| BIOLOGICAL INDUSTRIE | BDH |
| BASKERVILLE | BIOWHITTAKKER |
| BEL ART PRODUCTS | BLK Diagnostics |
| BIOZYME | BIOWHITTAKER |
| BIOCATALYSTS | BIOLOGICAL INDUSTRIES |
| BIOZYME | BRANSON |
| BOHLENDER | BIOMEDA |
| BPS Bioscience | CAMBRIDGE ISOTOPE |
| CAMBRIDGE ISOTOPE | CHROMOSYSTEMS |
| CHIRON | CHEMSERVICE |
| CDN | CHROMPACK |
| CRS | COPE |
| CINNAGEN | CHASE SCIENTIFIC |
| CYTOLAB | COVANCE |
| DR. EHRENSTORFER | DIFCO |
| ELISA | DRG |
| ESCO | EUTECH |
| FISHER SCIENTIFIC | E. MERCK |
| FORTUNA/VOLAC | FLUKA |
| GFL | G.Kisker |
| GENHUNTER | GENHUNTER GLOBOL |
| HUBER/GRASEBY SPECAC | GOODFELLOW |
| H+P | HAMILTON |
| ICN | IKA |
| INTERLABS | INSEL |
| iNtRON | International Laboratory |
| J & W | JUNSEI |
| LABSYSTEMS | J T BAKER |
| LANMARK | LABSCAN |
| MOBITEC | KIMBLE/ KONTES |
| MILLIPORE | MARKETECH INTERNATIONAL INC |
| MBH | MACHEREY-NAGEL |
| MICRO-ANALYSIS | MATECK |
| MARIENFELD | MFPI |
| NATIONAL SCIENTIFIC | MOBIO |
| OAKWOOD | MONIC |
| OPALESCENCE | OHIO VALLEY |
| OXFORD BIO | OXOID |
| PANREAC | OZ Biosciences |
| PLATLTZ & BAUER | PIERCE |
| R&L ENTERPRISES | P J COBERT |
| RDH | PSAW |
| SANKO | QUADREX |
| SGE | RBI |
| SIGMA | SCHARLAU |
| SPECTRUM | SHIMADZU |
| SPRING BIOSCIENCE | SPEX |
| ST ROBOTICS | SCP SCIENCE |
| SUPELCO | SCIENCELL |
| SUPERCONDUCTIVE COMPONENTS, INC, | STREM |
| THOMAS SCIENTIFIC | SPRING BIOSCIENCE |
| UTAK | TCI |
| UNITRON | TOYO |
| VIOGENE | UBICHEM |
| WILMAD | US BIOLOGICAL |
| VWR | VIRCELL |
| WAKO | WELL LABS |
| WORLD DIAGNOSTICS | WHEATON |
| WORLD PRECISION INSTRUMENTS | WHATMAN |