About Greenhorne & O'Mara Inc.
Greenhorne & O'Mara Inc. is a Construction company, headquartered in Laurel, with 501 - 1,000 employees and annual revenue of $100M - $500M.
Stantec designs with community in mind—whether that’s in engineering, architecture, energy, water, or project management. As a top-tier global design firm, we focus on creativity, client relationships, and how our projects transform communities.
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Greenhorne & O'Mara Inc. Company Highlights
Phone Number
(301) 982-xxxx
Corporate Office Address
6110 Frost Place
Laurel, 20707
Website
Greenhorne & O'Mara Inc. Email Format
The most common Greenhorne & O'Mara Inc. email format is [f][last] (ex. jdoe@greenhorne.com), currently being used by 100% of Greenhorne & O'Mara Inc. business email addresses. There are 1 email formats used by Greenhorne & O'Mara Inc..
Greenhorne & O'Mara Inc.'s Tech Stack
Frequently Asked Questions About
Greenhorne & O'Mara Inc.
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What email format does Greenhorne & O'Mara Inc. use?
The most common Greenhorne & O'Mara Inc. email format is {f}{last} (e.g. jdoe@greenhorne.com).
How do I contact Greenhorne & O'Mara Inc.?
To contact Greenhorne & O'Mara Inc., visit greenhorne.com.
What companies are similar to Greenhorne & O'Mara Inc.?
Companies similar to Greenhorne & O'Mara Inc. include Chase, Celestica, and Microchip Technology Inc..
Where is Greenhorne & O'Mara Inc. headquartered?
Greenhorne & O'Mara Inc. is headquartered at 6110 Frost Place, Laurel.
What is the main phone number for Greenhorne & O'Mara Inc.?
The main phone number for Greenhorne & O'Mara Inc. is (301) 982-xxxx.
What is the official website for Greenhorne & O'Mara Inc.?
The official website for Greenhorne & O'Mara Inc. is greenhorne.com.
What is the annual revenue of Greenhorne & O'Mara Inc.?
The annual revenue of Greenhorne & O'Mara Inc. is $100M - $500M.
How many employees does Greenhorne & O'Mara Inc. have?
Greenhorne & O'Mara Inc. has 501 - 1,000 employees.
What industry is Greenhorne & O'Mara Inc. in?
Greenhorne & O'Mara Inc. is in the Construction industry.
Last updated: November 4, 2025