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There are currently 574 companies listed in the Online Handbook.

Click a category below to jump to its section.
Number in parenthesis represent the total numbers of companies in that category/subcategory.

Aftermarket • Analysis & Software • Auxiliary Equipment
Boilers - Suppliers • Cogeneration & Combined Cycle • Compressors & Expanders
Electric Equipment • Energy Resources • Environmental Services
Fuel Cells • Gas Turbines • Instrumentation & Control
Manufacturing • Materials • Pumps
Renewable Energy • Safety Equipment • Services
Steam Turbines • Training & Education •

Aftermarket

• Accessories (3)
• Alignment (8)
• Analytical Laboratories (1)
• Balancing Equipment (3)
• Balancing Equipment - At- or High-Speed (4)
• Balancing Equipment - Low-Speed (3)
• Blades (8)
• Blades - Compressors (3)
• Blades - Diaphragm Nozzle (3)
• Blades - Grinding (2)
• Blades - Testing (3)
• Blades - Turbines (6)
• Borescopes (2)
• Coatings (9)
• Combustor Parts (2)
• Cooling Systems
• Demagnetizing Products & Services (2)
• Maintenance - Boilers (1)
• Maintenance - Compressor Specialist (11)
• Maintenance - Gas Turbine Specialist (6)
• Maintenance - General (8)
• Maintenance - Steam Turbine Specialist (11)
• Maintenance - Wind Turbine Specialist
• Maintenance Programs (8)
• Materials Supplier (2)
• Nozzles - Fuel (2)
• Nozzles - Turbine (2)
• Operations & Maint. - Cogeneration/Renewable Energy (2)
• Operations & Maint. - Gas Turbines (4)
• Operations & Maint. - Steam Turbines (5)
• Operations & Maintenance (8)
• Parts - Gas Turbines (16)

• Parts - Manufacturers (7)
• Parts - Steam Turbines (11)
• Parts - Suppliers (2)
• Radiator Repairs
• Reapplication Services (1)
• Recovery Systems
• Repair & Overhaul (20)
• Repair & Overhaul - Gas Turbines (7)
• Repair - Accessories (3)
• Repair - Bearings (11)
• Repair - Blades (9)
• Repair - Casings (5)
• Repair - Couplings (5)
• Repair - Gearboxes (6)
• Repair - Pumps (5)
• Repair - Rotors (5)
• Repair - Vanes (4)
• Rerates (5)
• Rings - Compressor Stator (1)
• Sealing Products (3)
• Shrouds - Turbine (3)
• Skids (1)
• Spin Testing Equipment (1)
• Stud Removal (2)
• Tools (2)
• Tools for Alignment (1)
• Total Plant Service (2)
• Tubes (1)
• Turbine Maintenance Tools (6)
• Upgrades (10)
• Vanes - Stators (2)

Analysis & Software (1)

• Design & Analysis (8)
• Design Audits (1)
• Failure Analysis (11)
• Finite Elements Analysis (4)
• Plant Design (1)
• Prognostics (3)
• Software & Engineering Programs (12)

• Stress Analysis (6)
• Testing (6)
• Testing - Lubrication (5)
• Testing - Telemetry (2)
• Turbine Blade Stress Analysis (4)
• Vibration Analysis (20)

Auxiliary Equipment (4)

• Acoustic Enclosures (5)
• Aftercoolers
• Air Chillers
• Air Dryers (2)
• Air Filters (8)
• Bearings (24)
• Bearings - Magnetic (8)
• Centrifuges (1)
• Clutches (2)
• Combustion Monitoring (2)
• Combustion Systems (1)
• Compressor Washing Systems (6)
• Condensers (1)
• Cooling Systems (5)
• Couplings (14)
• Dampers (3)
• Deaerators (1)
• Discs (1)
• Efficiency & Performance Monitoring
• Enclosures (2)
• Exhaust Systems (4)
• Expansion Joints (2)
• Fans & Blowers (5)
• Fasteners (Studs, Nuts, Bolts, etc.) (6)
• Filters (11)
• Fluid Drives (1)
• Fuel Systems, Treatment, Filters, & Pumps (5)
• Fuels
• Gas Turbine Exhaust Systems (5)
• Gas Turbines - Starters (2)
• Gaskets
• Gearboxes (9)
• Gears (5)
• Heat Exchangers (13)
• Heaters (2)
• Hydraulic Systems (2)
• Ignition Systems & Ignitors (1)
• Intake Filters (7)
• Lube Oil System Accumulators (LOSA) (1)

• Lubricant Purification (1)
• Lubricants (5)
• Lubrication Systems (9)
• Lubrication Systems - Coolers (1)
• Lubrication Systems - Filters (5)
• Lubrication Systems - Pumps (1)
• Noise & Vibration Suppression Equip. (3)
• Oil Cooling
• Oil Purification Equipment (6)
• Packing Rings (4)
• Pipes (4)
• Regenerators & Recuperators
• Seals (14)
• Seals - Gas (3)
• Seals - Mechanical (5)
• Seals - Oil (3)
• Shaft Current Control Equipment (1)
• Shims (3)
• Silencers (6)
• Skids (4)
• Starters (2)
• Surge Suppressors
• Switches
• Tanks (1)
• Torque Converters (2)
• Transmissions (2)
• Turbine Cooling
• Turbine Cooling - Chilling Systems (3)
• Turbine Cooling - Fogging (4)
• Turbine Cooling - Inlet Cooling (5)
• Turbine Cooling - Media Based (2)
• Turbine Cooling - Overspray (1)
• Turning Gear Modules
• Vacuum Equipment (2)
• Valves (21)
• Water Monitoring
• Wind Gearboxes (1)
• Wind Towers

Boilers - Suppliers

• Boilers (2)

Cogeneration & Combined Cycle

• Cogeneration Eng. & Consulting Services (3)
• Cogeneration Systems (3)
• Combined Cycle Plants (8)
• Cooling Towers (2)

• HRSG (3)
• Machinery for Cogeneration (3)

Compressors & Expanders

• Compressors (24)
• Compressors - Axial (4)
• Compressors - Centrifugal (23)
• Compressors - Integrated
• Compressors - Isotherm (1)
• Compressors - Packagers (7)

• Compressors - Reciprocating (9)
• Compressors - Screw (8)
• Expanders (12)
• Pipeline Boosters (1)

Electric Equipment

• Electrical Parts & Auxiliaries
• Electrical Systems (3)
• Electrical Systems - Flywheels
• Generators & Alternators (9)

• Generators - Auxiliary Power Units
• Motors - Electric (9)
• Variable Frequency Drives (7)

Energy Resources

• Combined Heat & Power Plant (CHP) (3)
• Energy Service Contracts
• Energy Trading
• Power Plants (5)

• Power Plants - Biomass
• Power Plants - Steam
• Power Services (2)

Environmental Services

• Absorbents
• Air Monitors
• Anti-Icing (1)
• Ash Control
• Catalysts (2)
• Continuous Emission Monitoring Systems (1)
• Dust Suppression

• Emissions Reductions (7)
• NOx Control
• Pollution Controls (1)
• SCR
• Wastewater Treatment (2)
• Water Treatment (2)

Fuel Cells

• Fuel Cells

Gas Turbines (1)

• Gas Turbines (22)
• Gas Turbines - Aeroderivatives (3)
• Gas Turbines - Auxiliary Power Units (1)
• Gas Turbines - Combined Cycle (2)
• Gas Turbines - Electrical Generation (1)
• Gas Turbines - Industrial (4)
• Gas Turbines - Marine
• Gas Turbines - Mechanical Drive (4)

• Gas Turbines - Packagers (4)
• Gas Turbines - Power Generation (13)
• Gas Turbines - Power Turbines (1)
• Gas Turbines - Refurbished (1)
• Generator Sets - Gas Turbines (4)
• Microturbines (2)

Instrumentation & Control (2)

• Actuators (7)
• Analyzers (1)
• Automation (3)
• Condition Monitoring (15)
• Control Systems & Governors (13)
• Control Systems - Optimization (10)
• Control Systems - Retrofit (13)
• Data Loggers & Recorders (1)
• Detection Systems (5)
• Flow Meters (4)
• Gas Analyzers (3)
• Gauges & Indicators (3)
• Instrumentation & Controls (19)
• Instrumentation - Telemetry (3)

• Monitors (2)
• Remote Monitoring & Diagnostics (10)
• Sensors (3)
• Sensors - Pressure (2)
• Sensors - Temperature (5)
• Shaft Grounding & Condition Monitoring (2)
• Tachometers
• Testing Equipment (7)
• Torquemeters (2)
• Transducers (1)
• Turbine Control Systems (12)
• Vibration Monitoring Equipment (19)
• Web Deflection

Manufacturing (1)

• 3D Printing (6)
• Castings (1)
• Fabricators (6)
• Forgings (2)
• Grinding (5)
• Impellers (3)

• Machine Tools (4)
• Machining (15)
• Manufacturers (2)
• Milling (5)
• Welding (3)

Materials

• Alloys (1)
• Carbon & Carbon Products (2)
• Ceramic Parts & Materials
• Fuels - Additives

• High Temperature Metals (2)
• Insulation (1)
• Plastics (2)

Pumps

• Pumps (10)
• Pumps - Centrifugal (3)

• Pumps - Screw (1)

Renewable Energy

• Energy Systems (6)
• Geothermal Power (1)
• Hydro Turbines (2)

• Solar Energy (1)
• Wind Turbines (1)

Safety Equipment

• Emergency Shutdown (7)
• Explosion Isolation
• Explosion Suppression
• Fire Detection Equipment (1)

• Fire Protection & Suppression (1)
• Safety Clothing & Equipment
• Sprinkler Systems

Services (1)

• Asset Management Services (6)
• Associations (1)
• Cleaning Services (1)
• Coating Services (3)
• Construction Contractors (2)
• Consulting Services (22)
• Corrosion Detection & Prevention (1)
• Dimensional Inspection & Re-engineering (2)
• Engineering Services (25)
• Environmental Services (1)
• EPC (3)
• Equipment - Leasing (3)
• Equipment - Used (1)
• Field Service (21)
• Grouting (2)
• Heat Treating - Furnaces (2)

• I&C Service
• IGCC (2)
• Inspection (4)
• Installation (4)
• Insurance
• Market Research (5)
• Plant Operation & Management (3)
• Project Engineering (2)
• Recruiters & Employment Agencies (3)
• Research & Development (5)
• Research & Development - Seals (1)
• Service for Turbines & Generators (8)
• Turbomachinery Shipping & Storage Containers (2)
• Turnkey Power Plant Development

Steam Turbines

• Generator Sets - Steam Turbines (4)
• Steam Turbines (22)
• Steam Turbines - Electrical, Fossil Fuels
• Steam Turbines - Electrical, Industrial (1)
• Steam Turbines - Electrical, Nuclear
• Steam Turbines - Mechanical (5)

• Steam Turbines - Mechanical, Marine
• Steam Turbines - Mechanical, Process (2)
• Steam Turbines - Packagers (4)
• Steam Turbines - Refurbished (6)

Training & Education

• ASME Certification
• Books & Magazines (1)
• Education (2)

• Publishing
• Training (5)

Questions? Comments? Please contact Bob Maraczi, Directory Editor
RMaraczi@mmhgroup.com / (203) 523-7040

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