ABOUT US
WHO WE ARE?
H&O Contacting is a Joint Venture between Horizons Contracting LLC and Orion Environmental Inc. Located in Denver, Colorado; we are two firms devoted to providing excellence to our customers by joining our different skill-sets and offering you a one-stop-shop for all of your construction needs. With a proven track record of dedication, competence, creativity, and collaboration, H&O is committed to working with our clients on any project; big or small.

Horizons Contracting LLC is a certified SBA 8(a), HUBZone, and Service-Disabled Veteran-Owned General Contracting Company located in Denver, CO with over 30 years of combine experience. The firm is a DBA derived from New Flooring Horizons LLC, a company that provides expert flooring services located in multiples states, Colorado and Alaska.
Orion Environmental Inc. is a minority business, SDB (Small Disadvantage Business), Demolition, and Professional Services firm, successfully graduated from the SBA 8(a) program located in Denver, Colorado. Orion has almost 20 years of experience delivering projects around the nation and is dedicated to providing a safe and healthier environment.
Rob Del Rosario
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Managing Member
Project Manager / Estimator
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Rob has an extensive experience encompassing Project Management, Human Resources, Design, Drafting, and the Flooring Industry. Rob is an Army Service Disabled Veteran with more than 12 years of military service.
​Shawn Lopez
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President
Manager / Estimator
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As President of Orion Environmental, Shawn is responsible for the overall success of the company. He has several certifications following 27 years of asbestos abatement experience.