Aermotor - Berkeley, Sta rite Pumps

Alconox - Cleaners

American Plumber - Filters & Cartridges

Baker Manufacturing - Pitlesses

Baroid Industrial Drilling Products - Mud

Blancett - Meters

Campbell Manufacturing - Accessories

Cycle Stop Valves

Dwyer Instruments - Instruments

Flomatic - Valves

Franklin Electric - Motors

Goulds Pumps - Well, Sewage, Sprinkling, & Transfer

Hanna Instruments - PH, TDS, OR, Temp., etc.

Jet-Lube - Grease, Lubricants

Johnson Screens

Lemco Seals, Inc.

MacCLEAN Water Treatment Systems - Softeners & Filters

Master Lock

Master Meter - Meters

Merrill Manufacturing - Pitlesses

Michigan Groundwater Association - Technical & Contractor

Morrison Brothers - Test Plugs, Manholes

National Ground Water Association

PEMCO - Manholes

Ridgid - Tools

Rusco, Inc. - PVC Filters

Simmons Manufacturing - Accessories

Grundfos USA - Pumps

Wheatland Tube Company - Pipe & Casing