Codes:

A-Antibiotics, B-BOD, C-Brix, D-ALP, E-Carbohydrate, F-Casein, G-Chemicals, Inorganic, H-Chromatography, I-Cryoscopes, J-Fat, K-Fatty Acids, L-Lactose, M-Milk Fat, N-Moisture, O-Nutritional, P-Osmometers, Q-Oxygen, Z-pH, R-Protein, S-Refractometers, T-Salt, U-Sediment, V-Titratable, W-Total Solids, X-Vitamins, Y-Water and Wastewater, AA-Other

• Advanced Instruments, Inc/Delta Instruments (D-I-J-L-M-P-W-Y)
• Allied Associates (C-L-M-R-W)
• Analytical Measurements (R-V-Y)
• Arizona Instrument LLC (N)
• Automation Products Inc (C-W)
• Brinkmann Instruments Inc (N-R-T-V-Y)
• Brooklyn Thermometer Co Inc (G-R)
• CEM Corp (J-M-N-W-Y)
• Charm Sciences (A-D)
• Chr. Hansen Inc (A)
• Clean Water Technology (Y)
• Connell International Co Div of The Connell Co (I-M-N-R-S)
• Cream-O-Land Dairy (C-J-L-M-O)
• Custom Fabricating & Repair Inc (Y)
• Dickey-John Corp (M-R-Y)
• ESE Inc (J-M-N-R-W)
• Eischen Enterprises (M-N)
• Extech Instruments Corp (R-S-Y)
• FOSS (C-E-G-I-J-K-L-M-N-O-R-R-T-W)
• GEOSAF Inc (S)
• Heritage Equipment Co (M-R-U)
• IDEXX Laboratories Inc (A-V-Y)
• International Machinery Exchange (M)
• Invensys APV (J-M)
• Kantner Group (R)
• Stan Keck Co (M)
• Kernco Instruments Co (C-G-R-S-T-W-Y)
• Liquid Scale Inc (M)
• Liquid Solids Control Inc (S)
• Metron Instruments Inc (AA-C-J-L-M-R-W)
• Minnesota Valley Testing Labs Inc (A-B-E-F-H-J-K-L-M-N-O-R-T-U-V-W-X-Y)
• Mocon, Inc (Q)
• Moisture Register Products Div Aqua Measure Instrument Co (N)
• Nelson-Jameson Inc (A-B-C-I-J-N-Q-R-R-S-T-U-V-W)
• Neogen Corp (A)
• Newport Electronics Inc (R)
• North American Instruments (J-L-M-N-R-W)
• Omega Engineering Inc (B-R)
• Perten Instruments Inc (J-M-N-R)
• Precision Systems Inc (I-P-Y)
• Process Instrumentation Consulting Services (R-W-Y)
• Production Packaging & Processing Equipment Co (R-S)
• Sediment Testing Supply Co (U)
• Severn Trent Water Purification (R-Y)
• Simone Engineering FCX Performance (R-Y)
• Stancase Equipment Co (T)
• Terriss Consolidated Industries (R-S-W)
• Thomas Technical Services Inc (S)
• UDY Corp (AA-J-M-N-R-R-S-T-V-W)
• Waters Corp (H)
• Weber Scientific (A-B-C-D-G-I-J-L-M-N-R-R-S-T-U-V-Y)