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View Hirtzel & Co.'s top competitors like BROOKWOOD COMPANIES Incorporated, C2G Environmental, LLC, and CertaPro Painters.

Tetra Tech
Tetra Tech is the leader in water, environment and sustainable infrastructure, providing high-end technical and engineering services for projects worldwide. With more than 25,000 employees working together, Tetra Tech provides clear solutions to complex problems by Leading with Science® to address the entire water cycle, protect and restore the environment, and design sustainable and resilient infrastructure. Tetra Tech est un chef de file mondial dans les domaines de l'eau, de l'environnement et des infrastructures durables, offrant des services techniques et d'ingénierie de qualité supérieure pour des projets à l'échelle mondiale. Grâce à ses 25 000 employés, Tetra Tech propose des solutions optimales aux problèmes les plus complexes en utilisant la science d’abord pour répondre aux besoins en matière de cycle de l'eau, en protection et restauration de l'environnement ainsi qu’en conception d’infrastructures durables et résilientes.
Pasadena, California, US
Public
$2.8B Revenue
http://www.tetratech.com
27.4K Employees
TTEK Ticker
CertaPro Painters
At CertaPro Painters® we transform homes and businesses by providing expert painting services with a proven process, giving you more time to enjoy moments that matter in the spaces you love. Expert painters. Reliable communication. Raving fans. That’s CertaPro Painters®, that’s Painting Happy! To schedule your free estimate call 1-800-462-3782 or visit our website to get started. Each CertaPro Painters business is independently owned and operated.
Audubon, Pennsylvania, US
Private
$636.5M Revenue
https://www.certapro.com
1.8K Employees
Keller Associates, Inc.
Keller Associates, Inc. is a multi-disciplined civil engineering firm serving clients throughout the West. Our engineering services include water, wastewater, irrigation, transportation, site civil, structural, electrical, CE&I, surveying, and grant administration. We currently have 12 offices - Meridian, Pocatello, Idaho Falls, Coeur d'Alene, ID; Clarkston, Kent, Richland, WA; Salem, Bend, Beaverton, OR; Reno, NV; and Provo, UT.
Meridian, Idaho, US
Private
$21.7M Revenue
http://kellerassociates.com/
206 Employees

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