Business process outsourcing (5 companies)

Consulting (general) (44 companies)

Financial advisors/consultants (8 companies)

Human resources (2 companies)

Legal (2 companies)

Market research/competitive intelligence (3 companies)

Marketing/public relations/advertising (4 companies)

Payment services (4 companies)

Risk management (4 companies)

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Billing/e-billing (10 companies)

Call centers (4 companies)

Credit & collections (6 companies)

Customer information systems (6 companies)

Customer relationship management (7 companies)

Outsourcing (3 companies)

Billing/e-billing (6 companies)

Customer information systems (5 companies)

Customer relationship management (5 companies)

Controls & instrumentation (68 companies)

Data acquisition systems (33 companies)

Distribution automation (28 companies)

Outage management systems (16 companies)

SCADA (40 companies)

Classroom education (22 companies)

Online education (11 companies)

LED bulbs (32 companies)

Energy audits (7 companies)

Energy contract negotiation (2 companies)

Energy efficiency (32 companies)

Energy services company (ESCO) (8 companies)

Monitoring & verification (17 companies)

Performance contracting (2 companies)

Project management (28 companies)

Utility audit services (3 companies)

Power exchanges & scheduling (5 companies)

Risk management (5 companies)

Air pollution control services (8 companies)

Environmental engineering (18 companies)

Catalytic combustion systems (1 companies)

Continuous emission monitoring equipment (14 companies)

Electrostatic precipitators (3 companies)

Flue gas conditioning (7 companies)

Flue gas desulfurization (3 companies)

Multipollutant emissions control equipment (12 companies)

Other (15 companies)

Scrubbers (3 companies)

Selective catalytic reduction (SCR) (4 companies)

Selective noncatalytic reduction (SNCR) (1 companies)

Boilers (5 companies)

Cogeneration systems (11 companies)

Controls & instrumentation systems (57 companies)

Cooling towers (6 companies)

Distributed generation equipment (11 companies)

Gas turbines (17 companies)

Inlet/exhaust silencing systems stacks (3 companies)

Large hydroelectric systems (6 companies)

Standby power systems & UPS (18 companies)

Steam generators (10 companies)

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AM/FM/GIS (8 companies)

Asset management (18 companies)

Computer hardware (9 companies)

Computer software (38 companies)

Computer-aided design & engineering (12 companies)

Demand response (13 companies)

Emissions trading software (1 companies)

Energy management systems (21 companies)

Energy transaction software (8 companies)

Enterprise resource planning (5 companies)

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Asset management (16 companies)

Data Conversion (6 companies)

GIS services (10 companies)

IT consulting (8 companies)

Supply chain/e-procurement (2 companies)

Systems integration (20 companies)

Weather information services (3 companies)

Automatic meter reading systems & equipment (24 companies)

Meter data management (8 companies)

Meters/metering devices (47 companies)

Cable life extension (4 companies)

Cable restoration and condition assessment (5 companies)

Construction/structures (9 companies)

Overhead line equipment/hardware/structures (25 companies)

Power quality/conditioning (25 companies)

Substation equipment (39 companies)

Surge suppressors/protectors (13 companies)

System protection equipment (28 companies)

Transmission & distribution towers & poles (13 companies)

Underground system equipment/hardware (14 companies)

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Engineering/construction (42 companies)

Meter reading services (7 companies)

Tree-trimming (4 companies)

Vegetation management (7 companies)

Biomass (6 companies)

Geothermal (3 companies)

Small hydroelectric systems (5 companies)

Solar/concentrating (8 companies)

Solar/photovoltaics (11 companies)

Wave/tidal (2 companies)

Wind power (18 companies)

Clothing/protective clothing (7 companies)

Equipment (20 companies)

Tools (16 companies)

Consulting (2 companies)

Training (4 companies)

Cybersecurity (4 companies)

Data/information systems (9 companies)

Physical (14 companies)

Cybersecurity/NERC CIP compliance (5 companies)

Physical security (1 companies)

Analytical (16 companies)

Cable assessment testing (5 companies)

Combustion diagnostics & testing (7 companies)

Inspection services (24 companies)

Custom (8 companies)

Distribution/padmounted (4 companies)

Distribution/pole-type (3 companies)

Distribution/substation (8 companies)

High-voltage (9 companies)