This document in no way provides an endorsement of the individuals found on this list. It only defines that they have met the minimum requirements of a passing score of 75% on the Part A Installer Exam.

Last Name First Name Company Business location Phone Email Testing Agency Date Tested
Ackerman George T&G Enterprises Inc., D.B.A. Ackerman’s Exc. Lyons, CO 303.747.2548 n/a Gilpin 1/29/2019
Aldana Maria Christina GCSA LLC Waktins, CO 720-626-7236 Tri-County 5/15/2019
Axel J. Todd Westward Enterprises Olathe, CO 970-209-5322 Gunnison 8/3/2018
Bamford Joseph Daly Excavation Carbondale, CO 970-963-3987 Eagle 3/12/2019
Baratta Shane Set In Stone Excavating LLC Black Hawk, CO 303-956-7954 Gilpin 3/19/2019
Barr Don Barr Construction Basalt, CO 720-329-1100 Eagle 5/22/2019
Baskins John JA Baskins Constructions, INC. Edwards, CO. 970-390-5003 vailkids! Eagle 7/11/2019
Beaumont Jeff Beaumont Excavatin Gypsum, CO 970-390-9393 Eagle 2/4/2019
Beierle Brad Brad Beierle Platteville, CO 970-539-8372 Weld 6/17/2019
Bennett Sheldon M & S Plowing LLC Woodland Park, CO 719-351-9325 Teller 4/22/2019
Boston Tom TCB Excavation Fairplay, CO 970-333-0372 Park 1/24/2019
Broadwell Bob Colorado Septic Nederland, CO 720.514.9703 Gilpin 1/31/2019
Brock Vern Brock Civil, LLC. Eagle. CO. 970-471-2125 Eagle 4/11/2019
Bronn David Bronn Excavating, Inc. Eagle, CO 970-977-0261 Eagle 5/6/2019
Bush Greg A+Handyman, Inc Gypsum, CO 970-471-2395 Eagle 4/4/2019
Campbell Rock BC Plumbing & Heating Salida, CO 719-207-1346 Chaffee 4/5/2019
Cavanaugh Tim Cavanaugh Exc. And Trucking Golden, CO 303-588-1080 Gilpin 1/31/2019
Cervantes Jorge Colt Services LLC Thornton, CO 303-993-9617 Tri-Co. 5/2/2019
Chadwick Craig Upper Basin Excating Avon, CO 970-949-5152 Eagle 4/9/2019
Chavez Ricardo R & S Home Maintennce Services Denver, CO 720-999-4471 Tri-County 5/29/2019
Church Travis Backhoe Services Bennett Inc Bennett, CO 303-644-4130 Tri-Co. 1/31/2019
Cichos Conrad Cichos Construction Watkins, CO 303-324-2807 Tri-Co. 3/22/2019
Clark Paul Redi Services LLC Platteville, CO 307-760-5948 Weld 3/7/2019
Clay Jr. Bobby Earth Surgeon Excavating Black Hawk, CO 406-321-1757 Gilpin 5/29/2019
Clifford Paul Paul A Clifford Colorado Springs, CO 719-421-9337 Teller 5/10/2019
Clyncke Joe JC Services LTD LaSalle, CO 970-381-4606 Weld 2/22/2019
Conner Scott Lyons Excavating Inc. Lyons, CO 303-579-9720 Larimer 4/12/2019
Corbin Ray Corbin Construction Leadville, CO 719-486-2673  Lake 7/25/2019
Cordova William Marv's Consruction Buena Vista, CO 719-221-0223 Chaffee 1/4/2019
Cowley Robert Liscott Custom Homes Castle Rock, CO 303-688-1724 Elbert 4/17/2019
Dale Warren Jewels of Fairplay, Inc Fairplay, CO 719-836-3291 Park 5/20/2019
Davis Ken Cal's Trucking & Exavating Hartsel, CO 719-395-7620 Park 3/18/2019
Davis Mike CD Enterprises Ltd Masonville, CO 970-302-4426 Larimer 6/19/2019
Defina Gary Defina Construction, Inc Eagle, CO 970-376-6702 Eagle 4/24/2019
Deluca Frank Colorado Excavation LLC Salida, Co 719-221-0814 Chaffee 5/28/2019
Dickinson Steve 2D Enterprises Fort Lupton, CO 303.638.2772 Broomfield 7/17/2019
Diesing Chad D & S Excavation, LLC Mead, CO 303-588-0496 Larimer 5/9/2019
Dillion Donal Colorado Mountain Builders Hollywood FL 303-325-3637 Gilpin 5/22/2019
Dodson Ben JC Fremont Construction Inc Fairplay, CO 970-418-0652 Park 6/13/2019
Drummond Mark Walters Company Glenwood Springs, CO 970-945-2851 Eagle 1/4/2019
Dulaigh David David Dulaigh Salida, CO 303-807-8055 Chaffee 4/26/2019
Dunn Brandon JB Dunn Excavation LLC Coaldale, CO 719-431-9441 Chaffee 4/22/2019
Dunsdon Travor Altitude Septic Eagle, CO 970-471-6292 Eagle 1/16/2019
Dykes Coby JJJ Services Salida, CO 719-207-1254 Chaffee 10/17/2018
Eggleston Devin Eggleston Construction Buena Vista, CO 719-207-2242 Chaffee 5/1/2019
Erger Daniel Benex Excavating Brighton, CO 303-345-3975 Tri-Co. 4/2/2019
Farmer Jesse High Altitude Backhoe Services Ward, CO 303.459.0478 Gilpin 1/29/2019
Fink Duane 3D Custom Homes Buena Vista, CO 719-332-4642 Chaffee 3/19/2019
Fitzgerald Jake AC Sewer Service Kersey, CO 303-776-0062 Weld 5/6/2019
Fling Gene Iron Horse Contracting LLC Brighton, CO 858-699-8323 Weld 4/4/2019
Ford Robert Bob's Excavating & Home repair McCoy, CO 970-653-4281 Eagle 3/20/2019
Foster Justin Foster Dirt and Construction Bellvue, CO 970-567-3361 Gilpin 1/31/2019
Freymuth Florian n/a Boulder, CO 720.480.2175 n/a Gilpin 1/2/2019
Friedrich Mike Treeline Services Breckenridge CO 970-485-3836 Chaffee 5/29/2019
Gardner Cody A Perfect Flush Fort Lupton, CO 303.731.7825 Broomfield 7/24/2019
Gillespie Josh R&R Construction Coaldale, CO 719-942-3694 Chaffee 4/11/2019
Gilson PJ Gilson Construction Salida CO 719-207-0188 Chaffee 4/30/2019
Graner Bruce Antero Septic Buena Vista Co 719-207-0651 Chaffee 7/3/2019
Granzella Rocky Granesta LLV Salida, Co 719-221-2366 Chaffee 3/25/2019
Grapes Bob Grapes and Sons Exc., LLC Black Hawk, CO 303-582-1131 Gilpin 1/25/2019
Greenwald Roger Lone Eagle Home Improvement & Repairs Jefferson, CO 720-836-4919 Park 6/4/2019
Guy Marty n/a Montrose, CO 970-417-2508 Gunnison 7/31/2018
Hagist Tim Hagist Excavation Basalt, CO 970-379-9726 Eagle 4/9/2019
Hamilton Erik ITS, Inc. Arvada, CO 303.618.6566 Gilpin 1/18/2019
Hansen Ryan High Performance Land and Home Nederland, CO 575-313-4756 Park 5/29/2019
Hansen Tyler SCE Construction Buena Vista CO 719-207-0915 Chaffee 6/21/2019
Hardt Chris Hardt's Backhoe Rollinsville, CO 303.589.9354 Gilpin 1/18/2019
Harman David Dave's Enterprises INC Buena Vista, CO 970-409-9109 Chaffee 1/24/2019
Hawley Chris n/a Woodland Park, CO n/a n/a Teller 6/28/2019
Hazelton Jeffrey Hazelton Excavating Inc Colorado Springs, CO 719-237-3677 Tri-Co. 3/25/2019
Hecker Gary Hecker Construction Salida, Co 719-239-3032 Chaffee 7/8/2019
Herrera Rodrigo R G Excavating Corp Thornton, CO 720-429-9035 Tri-Co. 3/29/2019
Holguin Ismeal Holdguin Construction Inc Commerce City, CO 303-591-9239 Tri-Co. 1/25/2019
Holland Shane H&S Pine, CO 303.549.5453 Gilpin 1/18/2019
Hopwood Randy n/a Byers, CO 303-888-5030 Tri-Co. 2/20/2019
Howlett Mike Bugling  Bull Excavating Buena Vista, CO 719-207-1205 Chaffee 1/30/2019
Howlett Steven R. Western Eagle Enterprises, Inc. Golden, CO 303-726-6100 Gilpin 1/28/2019
Hren Frank L Hrens Complete Service & Repair Buena Vista, CO 970-389-6835 Lake 5/15/2019
Hsu Jr. Danny Gilson Construction Salida CO 719-207-0782 Chaffee 4/30/2019
Hundert Danny Ajax Sleepaway Meredith, CO 970-718-6008 Eagle 3/15/2019
Hutcheson Scott Maverick Excavating, LLC Hartsel, CO 719-207-6809 Chaffee 2/8/2019
Jimenez Efrain Septic Services LLC Northglenn, CO 720-730-0154 Tri-Co. 1/11/2019
Johnson Breck Sacred Ground Excavation New Castle, CO 970-618-2489 Eagle 1/22/2019
Johnston Michael Highmark Builders, LLC Kremmling, CO. 970-390-2490 Eagle 7/8/2019
Juarez Victor Foothills Septic Pumping Golden, CO 303.670.3160 Gilpin 2/1/2019
Kaess Donald Y&K Excavation Salida, CO 719-539-4108 Chaffee 6/12/2019
Kaia Micah (Mana) Big Dog Excavation Kersey, CO 970-576-9961 Larimer 2/7/2019
Kapala Scott Noco Septic Inc Mead, CO 720-899-8749 Tri-Co. 3/19/2019
Kinder James CAK Excavating LLC Lake George, CO 217-871-3460 Teller 2/12/2019
Koch Ron K & S Buena Vista, CO 719-581-0183 Lake County 7/18/2019
Korinek John Korinek Konstruction Ramah, CO 303-817-1607 Otero 1/28/2019
Kulp Jason Columbia Sanitary Service Golden, CO 303-526-5370 Gilpin 1/29/2019
Kutscher Brady Kutscher's Excavating LLC Black Hawk, CO 303.589.9378 Gilpin       7/8/2019
Lancaster Mark Lion Home Service Fort Collins, CO 970-556-0544 Weld 1/4/2019
Lawlis Mark M D Lawlis General Contractors Breckenridge CO 970-390-4928 Chaffee 6/6/2019
Lopez Daniel White Peak Home Solutions Eagle, CO. 970-376-0893 Eagle 4/10/2019
Lujan Jr. Saul Lujan Design and Construction Brighton, CO 720-935-7061 Tri-Co. 1/31/2019
Macarenas Richard Richard Macarenas Buena Vista, CO 719-293-1750 Chaffee 2/4/2019
Maez Orrin Maez Excavation, Inc. Buena Vista, CO 719-207-0636 Chaffee 2/8/2019
Martin Larry Larry Martin Construction Glenwood Springs, CO 970-379-7188 Eagle 4/11/2019
Mazza Rocky Diesslin Structures, Inc. Salida, CO 719-539-0855 Chaffee 4/11/2019
Meyers Jeramy Meyers Services Black Hawk, CO 720-431-8730 Gilpin 2/27/2019
Miller Dustin Premier Landworks, Inc. Aspen, CO 970-923-0300 Eagle 4/10/2019
Molleur Scott Molleur Construction Leadville, CO 719-486-5565 Lake 5/21/2019
Morgan David Morgan Excavating Buena Vista, CO 719-207-1267 Chaffee 12/28/2018
Morgan Matthew Commonwealth Services LLC Boulder, CO 303.243.2298 Gilpin 2/22/2019
Mowry Kevin Unlimited Sanitary Buena Vista CO 719-395-2701 Chaffee 6/21/2019
Mullett Matthew FRS Enterprises, LLC Windsor, CO 970-556-3826 Larimer 4/17/2019
Murillo Edgard E & L Trucking Silt, CO 970-309-3057 Eagle 1/28/2019
Nachtrieb Chris M&N Excavating LLC Salida, CO 719-530-1067 Chaffee 1/8/2019
Nemeth Gabor AP Contracting LLC Strasburg, CO 720-933-6773 Tri-Co. 2/22/2019
Nemeth Peter AP Contracting LLC Strasburg, CO 720-935-1428 Tri-Co. 2/22/2019
Nestor Edward Nestor Excavating, Inc Fort Morgan, CO 970-371-1141 Larimer 5/14/2019
Newmiller Brandon Rockit Solutions Castle Rock, CO 303-808-0227 Tri-Co. 4/25/2019
Nielsen Bradley n/a Bennett, CO 720-219-1197 Tri-County 7/17/2019
Norris H. Charles H. Charles Norris Thorton, CO 303-909-3680 Chaffee 1/14/2019
O'neill Josh Anew Septic LLC Salida, CO 719-539-6104 Chaffee 5/2/2019
Orloff Steven Western Eagle Enterprises, Inc. Golden, CO 303-726-6100 Gilpin 1/28/2019
Pack Martin STM Excavation Salida, Co 719-207-1926 Chaffee 8/5/2019
Parker William n/a Gunnison, CO 970-641-8758 Gunnison 2/15/2019
Peek Kevin Dirt Brothers Excavating Franktown, CO 720-645-4935 Elbert 4/29/2019
Quintana Albert Icon, Inc. Gypsum, CO 970-977-0561 Eagle 5/20/2019
Quintana Robbie RQX Inc. Leadville, CO 970-406-8560 Lake 5/2/2019
Ramos Dean Colorado Septic Solutions, LLC Longmont, CO 720-346-2510 Chaffee 1/25/2019
Ramsetter Richard Richard M. Ramstetter Excavating Golden, CO 303.277.0286 Gilpin 1/18/2019
Replogle Eric n/a Gunnison, CO 970-209-1864 Gunnison 2/13/2019
Reynaldo Santos Septic Service LLC Northglenn, CO 720-730-0154 Tri-Co. 1/11/2019
Reynolds Sean The Reynolds Corporation Avon, CO 970-904-5226 Eagle 5/8/2019
Rhoades Morgan Rhoades Construction Pueblo West,CO 719-207-0825 Chaffee 3/28/2019
Rinker Clint Clint Rinker Bennett, CO 720-989-9475 Tri-Co. 5/8/2019
Roth Miles Miles Roth Lafayette, CO 970-227-9354 Chaffee 1/25/2019
Rovnak Kyle Haystack Custom Ag. & Septic Service, LLC Longmont, CO 303-827-4988 Weld 1/3/2019
Rutherford Jason Excavation Services, Inc. Carbondale 917-753-0940 Eagle 5/7/2019
Rutter Michael Colorado Plumbing Contractors LLC Hudson, CO 303-655-0312 Tri-County 5/22/2019
Sanders Ken KPS3 Excavation Evergreen, CO 720-380-3962 Park 3/1/2019
Santos Reynaldo Septic Service LLC Northglenn, CO 720-730-0154 Tri-Co. 1/11/2019
Sayler Brayden Sayler & Sons Excavating Pine, CO 303-816-0228 Tri-Co. 3/25/2019
Saylor Tim Cinch Construction Inc Bennett, CO 303-358-1884 Elbert 7/10/2019
Schadegg Richard n/a Aurora, CO 303-325-6463 Tri-Co. 2/11/2019
Scott David Scott Septic Services Kiowa, CO 303-621-7764 Elbert 6/6/2019
Seamus Brady Doone Brothers Sewer and Septic Services Arvada, CO 303-885-8981 Tri-Co. 1/3/2019
Search Scott Search Septic Bailey, CO 303.838.5115 Gilpin 1/28/2019
Seavers Jesse High Performance Homes Nederland, CO 720.514.9817 Gilpin 1/29/2019
Shoup Jud Shoup Land Development Gypsum, CO 970-376-3704 Eagle 6/11/2019
Siemon Hawkins Peak Exavation Marble, CO 970-331-2436 Gunnison 5/8/2019
Skoglund Travis Preferred Digging Services, LLC Eaton, CO 970-381-5913 Larimer 5/23/2019
Smith Scott Eagle Dirt Work LLC Golden, CO 303.642.0154 Gilpin 1/18/2019
Smith Allan Little River Concrete Inc Salida, CO 719-539-6082 Chaffee 6/6/2019
Soluri Steven Plumbing Systems Inc Edwards, CO 970-926-0500 Eagle 1/14/2019
Sosa Ruby n/a Aurora, CO 720-266-9560 Tri-county 6/26/2019
Spino Brado Dirtworks Inc Salida CO 719-530-8696 Chaffee 4/2/2019
Steffek Steve ACME Septic, Inc. Boulder, CO 303.459.1106 Gilpin 1/28/2019
Steiner Greg GPS Excavating & Septic Nathrop, CO 719-239-0469 Chaffee 4/22/2019
Sterling Larry Larry Sterling Excavating, Inc. Black Hawk, CO 303.582.5794 Gilpin 1/18/2019
Stone Michael Peak Septic Systems Elbert, CO 720-483-4779 Tri-Co. 4/19/2019
Sutton Russell Northern Colorado Industries LLC Wellington, CO 970-310-6739 Weld 3/28/2019
Tarpill Matt Mountain Contracting Nederland, CO 303.888.3580 Tri-Co. 1/23/2019
Tatro Bill Snowbridge Inc. Breckenridge, CO 800-426-6827 CDPHE 9/12/2018
Taylor Cody CAT Construction Co Divide, CO 585-880-2939 n/a Teller 6/6/2019
Terranova Titus AAARK Heating & A/C Inc Denver, CO 303-431-8015 Tri-Co. 1/23/2019
Tidwell Jerry Evergreen Septic Pumping Company Evergreen, CO 303-674-7144 Gilpin 2/4/2019
Tigchelaar Joshua Classic Home Services LLC Arvada, CO 720-434-8576 Tri-Co. 3/29/2019
Trask Gordon Quality Backhoe & Excavation Salida, CO 719-207-3310 Chaffee 4/8/2019
Tunstall Stephanie KT Sales and Excavating Howard, CO 719-942-4607 Park 6/12/2019
Ulrich Lance Sunshine Home Builder Buena Vista CO 240-475-9644 Chaffee 5/10/2019
Van Anne John Blade Runners LLC Littleton, CO 303-683-0350 Tri-County 6/26/2019
Van Loan Bret Dirt Dawg Excavating Breckenridge, CO 970-418-0113 Chaffee 10/16/2018
VanHouten Jamie High Mountain Enterprise Hartsel, CO 719-344-1602 Park 5/21/2019
Wallen Richard Y&K Excavating Salida, CO 719-221-6465 Chaffee 4/17/2019
Walters Ed Walters Company Glenwood Springs, CO 970-945-2851 Eagle 1/4/2019
Windorski Dan Digger Dans LLC Leadville, CO 719-427-0752 Lake 5/20/2019
Winfrey Steven R. S & S Enterprises Loveland, CO 970-342-3041 Weld 2/5/2019
Wylie Daniel Daniel Wylie Construction Salida, Co 719-530-1247 Chaffee 7/8/2019
Young Matt Uncommon Angles, Inc. Buena Vista, CO 719-395-6777 Chaffee 5/1/2019
Zamora Joseph Zamora Excavating Carbondale, CO 970-963-1399 Eagle 1/25/2019-


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