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A&S CONSTRUCTION COMPANY
839 MacKenzie Ave
Canon City, CO 81212
719-275-4555

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ACA PRODUCTS
PO Box 1887
Buena Vista, CO 81211
719-395-3790

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AGGREGATE INDUSTRIES - WCR INC.
1707 Cole Blvd #100
Denver West Business Park
Golden, CO 80401
303-985-1070

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APC SOUTHERN CONSTRUCTION CO, LLC
31 Werner Rd # B
Penrose, CO 81240
719-372-6758

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ASPHALT PAVING COMPANY
14802 W 44th Ave
Golden, CO 80403
303-279-6611

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B&B EXCAVATING INC.
PO Box 1729
Edwards, CO 81632
970-926-3311

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BRANNAN SAND AND GRAVEL COMPANY
2500 E Brannan Wy
Denver, CO 80229
303-534-1231

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COLORADO ASPHALT SERVICES, INC.
(CASI)
3700 E 56th Ave
Commerce City, CO 80022
303-292-3434

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CONNELL RESOURCES INC.
4305 E Harmony Rd
Fort Collins, CO 80528
970-223-3151

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COULSON EXCAVATING INC.
3609 N CR 13
Loveland, CO 80538
970-667-2178

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DON KEHN CONSTRUCTION, INC.
6550 S County Line Rd 5
Fort Collins, CO 80528
970-226-4111

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EVERIST MATERIALS, LLC
PO Box 1150
Silverthorn, CO 80498
970-468-2521

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FOUR CORNERS MATERIALS INC.
PO Box 2707
Durango, CO 81302
970-247-2172

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FRONTIER OIL & REFINING COMPANY
4610 S Ulster St Ste 200
Denver, CO 80237
303-714-0132

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GRAND RIVER CONSTRUCTION COMPANY
817 Colorado Ave
Glenwood Springs, CO 81601
970-945-7758

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GRANITE CONSTRUCTION COMPANY
PO Box 30429
Salt Lake City, UT 84041
801-526-6000

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HALL-IRWIN CORPORATION
301 Centennial Dr
Milliken, CO 80543
970-352-6057

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KIEWIT WESTERN COMPANY
7926 S Platte Canyon Rd
Littleton, CO 80128-5976
303-979-9330

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KIRKLAND CONSTRUCTION LLLP
2101 Main St
Rye, CO 81069
719-489-3385

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LAFARGE WEST, INC.
10170 Church Ranch Way #200
Westminster, CO 80021
303-657-4000

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McATEE CONSTRUCTION COMPANY
PO Box 1908
Sterling, CO 80751
970-522-3647

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NIELSONS SKANSKA INC.
22419 CR G
Cortez, CO 81321
970-565-8000

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PAVETEC, INC.
PO Box 23196
Silverthorne, CO 80498
970-262-1016

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PREMIER PAVING INC.
5085 Harlan St
Denver, CO 80212-2848
303-940-3668

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ROCKY MOUNTAIN MATERIALS
& ASPHALT INC.
1910 Rand Ave
Colorado Springs, CO 80906
719-473-3100

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SCHMIDT CONSTRUCTION COMPANY
2635 Delta Dr
Colorado Springs, CO 80910
719-392-4207

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SemMATERIALS, L.P.
6400 S Fiddler's Green Cir
Greenwood Village, CO 80111
303-793-0980

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SINCLAIR OIL CORPORATION
PO Box 30825
Salt Lake City, UT 84130
801-524-2700

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UNITED COMPANIES
2273 River Rd
Grand Junction, CO 81502
970-243-4900

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WESTERN ENGINEERING
COMPANY INC.
PO Box 350
Harlan, IA 51537
712-755-5191