Jefferson County, Colorado

LAFARGE WEST INC.

20575 Bryant Dr. Evergreen Co 80439

MARTIN MARIETTA MTRLS - PLANT 41-246098

18401 W Colfax Golden Co 80401

OLDCASTLE PRECAST INC

8392 W Riverview Pkwy Littleton Co 80125

WESTILE INC

8382 W. Riverview Pky. Littleton Co 80125 9790

GRACE DAVISON

8101 Midway Drive Littleton Co 80125 9747

RECUPEROS, L.L.C.

12015 West Cedar Drive Lakewood Co 80228 2101

MARTIN MARIETTA MTRLS - BATCH PLANT

11255 Dumont Way Littleton Co 80122

MARTIN MARIETTA TITAN READY MIX

9511 Titan Park Cir Littleton Co 80125

NRG RELIABILTY - ZIEGENFELDER

400 Yuma St. Denver Co 80204

MARTIN MARIETTA MTRLS - QUIVAS

1151 Quivas St Denver Co 80204

HONEYWELL, INC.

6945 Indiana Court, Suite 100 Arvada Co 80007 0101

DCP MIDSTREAM PARTNERS, LP

370 17th Street, Suite 2775 Denver Co 80202

TWIN STAR ENERGY #501

4880 North Federal Boulevard Denver Co 80221 1146