Companies - Energy, Environment - United States

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Northeast Utilities

York Shore Water Co.

Progressive Sweeping Contrs.

Enbridge Energy

Luff Exploration

Southwest Arkansas Electric

Ameren Ue

Sinclair Wyoming Refining Co.

Electronic Fluorocarbons Llc

West Kentucky Rural Telephone Cooperativ

Williston Basin Interstate Pipeline Co.

Safe Harbor Water Power Corp.

Sm.&P Utility Resources, Inc.

Hoover Oil Field Supply Co.

M C Electric Inc.

Eastland Energy Group Inc.

Calumet Specialty Products Partners, L.P

Meiners Oaks Water Dist.

PINNACLE WEST CAPITAL

Choptank Electric Coop. Inc.

Solana Center For Environmetal Innovatio

Apache Corp. Onshore

Westchester Joint Water Works

Carleton Farms Landfill

Pitmon Oil & Gas Co.

NORWALK WASTEWATER EQUIPMENT CO

Oak Park Conservancy District

COPANO/OPERATIONS, INC.

Quicklogic Corp. Nasdaq

Performance Site Co.

Paine'S Inc.

Manitowoc Public Utilities

Marshall & Winston

Chickasawhay Natural Gas

Jatro Diesel

Virginia Peninsulas Public Service Autho

Keystone Inc.

Cady Aquastore, Inc.

HART ELECTRIC MEMBERSHIP CORP.

Waverly Light And Power

Rag American Coal Holding Inc.

Watlow Missouri, Inc.

Lea County Electric Cooperative, Inc.

Johnson County Special Utility

Central Electric Membership

Clay County Electric Co-Op

Moulton Niguel Water District

Niska Gas Storage Partners Llc

Bayou State Oil Corp

Solutions Electric

Water & Sewer Division-Bowling

Mcnulty Electric

Northeast Ohio Regional Sewer District

Alabama One Call

Eastern Pipeline Corp.

Pitts Energy

Cherokee Electric Co-Op

P F & E Oil Co.

Intermountain Gas Co.

Sanitation Solutions Inc.

Sanitary Disposal Inc.

United Oil Recovery

Seacoast Utility Authority

Ppl Montana

Oasis Aviation Inc.

Oak Bluffs Water District

Tri City Water District

Granger-Hunter Improvem...

Kappe Associates, Inc.

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