Engines
     Waukesha Power Partners
     Arrow
     Gemini
     Caterpillar

Generator Sets
Natural Gas/Diesel
    Waukesha Enginator
    Kilo-Pak Generators
    DMT Corporation

Gas Field Compressors
    Dresser- Rand
         (Worthington)
    Gemini (C/P)
    Ariel
    Gardner-Denver
    Chicago Pneumatic

Pumps
    Arrow Specialty Chemical
    Deming
    Roper
    Gardner-Denver
    CoorsTek (Joy Stablizers/HB Co.)

Ignition Systems
    Reagan Shielded System
         (CSA Approved)
    MPI (Murphy Powered Ignition)
    Champion Spark Plugs
    Stitt Spark Plugs

Starting Systems
    Ingersoll-Rand Starters
    Austart Starters

Cooling Systems
    O&M Manufacturing
    Daniel Radiator
    IEA
    Amercool
    Norkool

Engine Controls & Safety Systems
    Point Eight Power
    Woodward
    Frank W. Murphy
    Amot

Exhaust/Emission Systems
   Maxim-Beaird Industries
    Nelson
    Donaldson
    Miratech Catalytic Converters &
         Air Fueled Controllers
    Precision Engine Control
         (Accunox Air/Fuel Controller)

Clutches
    Twin Disc
    PEC
    Pneu-Grip
    Fawick

Engine Accessories
    Kim Hotstart Heaters
    Fisher Controls
    Impco Carbueration
    Kenco
    Ren
    Turbochargers � ASEA Brown Boveri
    AiResearch
    Korfund Vibration Isolators
    Fuel Technologies, Inc.