GERDAU AMERISTEEL US INC

1500 West 3rd Street Wilton Ia 52778

AXALTA COATING SYSTEMS

803 35th St Fort Madison Ia 52627

AMOCO OIL CO

829 East South Omaha Bridge Road Council Bluffs Ia 51503 7801

TEXPAR ENERGY, LLC

Highway 22 South Davenport Ia 52804

GREEN PLAINS LAKOTA, LLC

1660 428th St Lakota Ia 50451

PORT NEAL NITROGEN COMPLEX

1182 260th St Sergeant Bluff Ia 51054

BEMIS CLYSAR

2505 Camanche Industrial Park Dr Camanche Ia 52730

DUPONT CELLULOSIC ETHANOL

59219 Lincolnway Highway Nevada Ia 50201

SOUTH ICE CREAM PLANT

1191 18th Street Southwest Le Mars Ia 51031 3044

WELLS ENTERPRISES INC NORTH ICE CREAM PLANT

121 2nd Ave Se Le Mars Ia 51031

ALLIANCE PIPELINE L.P. - MANCHESTER

1242 220th Street Manchester Ia 52057 8929

NATURAL GAS PIPELINE CO OF AMERICA - STATION 108

1580 Highway G64 Truro Ia 50257

NATURAL GAS PIPELINE CO OF AMERICA #198

1616 165th Ave(newbold&Oregan) Knoxville Ia 50138

CLIMAX MOLYBDENUM COMPANY

2598 S Highway 61 Fort Madison Ia 52627

ALUMINUM COMPANY OF AMERICA INCORPORATED

4879 State Street Riverdale Ia 52722

NATURAL GAS PIPELINE CO OF AMER-STA 109

20743 285th Avenue Harper Ia 52231

IOWA AMER WATER CO EAST RIVER STA

1719 East River Drive Davenport Ia 52805

SIOUX CITY, CITY OF STP

3100 S Lewis Blvd Sioux City Ia 511065114

GREEN PLAINS ETHANOL STORAGE, LLC (GP SHENANDOAH)

4124 Airport Rd Shenandoah Ia 51601

GREEN PLAINS SUPERIOR, LLC

1495 320th Ave Superior Ia 51363

VERTEX CHEMICAL CORP

2619 Camanche Industrial Park Dr Camanche Ia 52730 9500

THE SCOTTS CO., ORTHO BUSINESS GROUP

1910 48th St. Fort Madison Ia 52627

NATURAL GAS PIPELINE CO. OF AMERICA - STATION 204

21864 129th St Columbus Junction Ia 52738

EQUISTAR CHEMICALS CLINTON PLANT

3400 Anamosa Road Clinton Ia 52732

MAGELLAN PIPELINE COMPANY - IOWA CITY TERMINAL

912 First Ave Coralville Ia 52241

MAGELLAN PIPELINE CO, LLC - WATERLOO

5360 Eldora Rd Waterloo Ia 50701

MAGELLAN PIPELINE CO LP-MILFORD

2451 Hwy 71 S Milford Ia 51351

MAGELLAN PIPELINE CO, LLC - SIOUX CITY

4300 41st Street Sioux City Ia 51108

MAGELLAN PIPELINE CO LLC-MASON CITY

2810 Main Avenue Clear Lake Ia 50428 2419

DES MOINES BUTANE STORAGE

2503 Se 43rd St Des Moines Ia 50327

MAGELLAN PIPELINE CO, LLC - DUBUQUE

8038 Saint Joes Prairie Rd Dubuque Ia 52003

MAGELLAN PIPELINE CO LP-DUBUQUE

8038 St Joes Prairie Rd Dubuque Ia 52003

THE ANDERSONS MARATHON HOLDING LLC

2404 West Highway 30 Denison Ia 514420309

MARTIN MARIETTA MILLER CRUSHER

11252 Aurora Ave Des Moines Ia 50322

DES MOINES STORAGE AND TERMINAL

4401 Vandalia Road Pleasant Hill Ia 50327 7244

PARKER-HANNIFIN CORPORATION

1867 State Highway 48 North Red Oak Ia 51566 5096

BIG RIVER RESOURCES

15210 103rd Street West Burlington Ia 52655

BIG RIVER UNITED ENERGY, LLC

3294 Vine Rd Dyersville Ia 52040

CONTINENTAL CEMENT COMPANY

301 Front St Buffalo Ia 52728

ANR PIPELINE COMPRESSOR STATION

2868 15th Street Lineville Ia 50147

ANR PIPELINE BIRMINGHAM CS

2795 Locust Ave Birmingham Ia 52535

IPL - SIXTH STREET GENERATING STATION

509 6th Street Northeast Cedar Rapids Ia 52401 4701

VALERO - ALBERT CITY

2356 510th Street Albert City Ia 50510

VALERO RENEWABLE FUELS CO, LLC - CHARLES CITY

1787 Quarry Rd Charles City Ia 50616

VALERO RENEWABLE FUELS, LLC - HARTLEY

3260 Van Buren Avenue Hartley Ia 51346

VALERO RENEWABLE FUELS CO LLC-FT DODGE

1930 Hayes Ave Fort Dodge Ia 50501

MISSOURI RIVER ENERGY SERVICES - EXIRA STATION

3429 Jay Ave Brayton Ia 50042