Kelley Trucking Inc. is a heavy civil contractor specializing in the construction of dams, airports, highways, development and reclamation of gravel pits, production water storage ponds, overlot grading, aggregate production, demolition, and hauling. We are licensed, insured, and bonded with a single project bonding capacity in excess of $50 million. For 45 years we have worked to structure our company with the sole purpose of providing our clients with excellence in earthmoving.

BT Construction, Inc. (BTC), a Colorado owned and operated business founded in 1980, specializes in water, sanitary and storm pipeline construction and relocation, underground chilled and steam lines, electrical and communications duct banks, and sheet pile installation.

Formed in 1985, ARS Companies have provided construction services to Western US customers for over 30 years. Headquartered in Denver, Colorado ARS Companies operates under the values of Trust, Communication, Loyalty, Vision, and Accountability The ARS Companies is a privately held consortium consisting of six separately managed lines of business. These lines consist of Soil Stabilization, Asphalt Recycling Services, Structural Concrete Services, Railway Trans-loading, Land Development Services, and Sand & Gravel Services. All ARS lines of business maintain a safety program with a zero accident – zero incident goal. Creating a safe work environment for ARS workers and the public is priority one. The ARS Companies belongs to various local and national affiliations, among them, AGC – Associated General Contractors Association, CCA – Colorado Contractors Association, and CAPA – The Colorado Asphalt Producers Association.

CEI Constructors is built by our team’s unmatched dedication and talent, leading Colorado's heavy civil industry since 1986. Our self-performing team offers expert transportation, structures & bridges, site development, earthwork, utilities, stream restoration, fleet, and fabrication services to clients. Our team of Front Range members takes great pride and responsibility in seeing that our clients and community are the direct recipients of superior and sustainable results.

Established in 1996, A-1 Chipseal is a full-service asphalt maintenance and pavement preservation company located in Denver, Colo. Completing numerous projects for various cities, counties and CDOT across the Front Range, A-One Chipseal is designed to provide preventive maintenance construction including resurfacing asphalt streets, roads, parking lots and highways. In January 2009, A-One Chipseal purchased the assets of Rocky Mountain Pavement Maintenance, Inc. A-1 Chipseal provides the highest quality services and innovative products with the highest levels of professionalism, integrity, honesty and experience. We take great pride in our accomplishments and aim to be the leader in asphalt pavement preservation by offering a full range of service capabilities with the highest quality materials.

Donegal Construction Corporation is a construction company based out of 700 Excel Drive, Hunker, Pennsylvania, United States.

Velocity Constructors, Inc., is a General Contractor whose focus has been in heavy industrial construction involving water pumping stations, water tanks, water treatment plants and installation of equipment and yard piping.

With integrity, innovation, and dedication to quality, Zak Dirt Inc. builds heavy/highway construction projects that shape our communities. Public agencies and private entities have trusted Zak Dirt’s proven record of high performance, safety, regional expertise, efficiency, cost-effectiveness, and environmental responsibility since 1976. We are family-owned and our professional, pride-driven culture empowers Zak Dirt employees and contractors – your friends and neighbors – to achieve outstanding project results that help communities thrive.

EDGE Contracting, Inc., a General Contractor located in Golden, CO specializing in Excavation, Demolition, Infrastructure, Concrete and Site Development. EDGE Contracting is committed to providing our customers with high quality and professional service. We obtain these high standards with clear and concise communication. EDGE Contracting provides cost effective solutions for Owners, Architects, Engineers, and General Contractors across the state of Colorado.

R & D PIPELINE CONSTRUCTION, INC is a construction company based out of 10200 W 26TH AVE, Lakewood, Colorado, United States.

Jalisco International is a family owned, Colorado based heavy highway construction company. Building roads and bridges since 1985. Our most valuable asset is our employees. Jalisco International strives to build a partnership that creates opportunity for everyone on our team.