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View Sequoia Ecological Consulting's top competitors like Biohabitats, ECOSYSTEM SCIENCES, LLC, and EarthSense Solutions.

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
To our valued clients and business partners: We are pleased to announce that Walsh Environmental Scientists and Engineers, LLC (Walsh) is now providing services to you through Ecology and Environment, Inc. (E & E), a global leader in environmental management. We will continue to honor existing Walsh Master Service Agreements and other continuing service arrangements through the expiration of those agreements and look forward to providing new services to you as E & E. Walsh and E & E professionals have collaborated on projects since E & E acquired a majority interest in Walsh in 2000. Our multidisciplinary teams have worked together to help clients address some of the most pressing environmental challenges of our time. By working together, our local knowledge and established relationships are complemented by our ability to seamlessly pull resources from across E & E and our subsidiary companies worldwide to provide you with the expertise you need, when and where you need it. We employ nearly 1,000 respected experts in 85 engineering and scientific disciplines in offices in 47 locations around the globe. Since 1970, E & E has completed more than 50,000 projects in 122 countries, including some of the most iconic, high-profile projects in the world. Together, we look forward to serving you for years to come. Please feel free to contact us with questions, which can be directed to Maureen O'Shea-Stone at 303-443-3282. -Ecology and Environment, Inc.
Boulder, Colorado, US
Private
$23.4M Revenue
http://www.ene.com
43 Employees
For more than 20 years, Powersmiths has been an industry leader in engineering, manufacturing and selling innovative, customer-centric and energy-efficient electrical power distribution solutions. Our design and development processes are driven by a strong commitment to a methodology that combines customer feedback loops, advanced innovation and energy conservation. Our in-house, state-of-the-art manufacturing facilities maintain an ISO 9001 certification for quality, an ISO 14001 certification for environmental management, and contain efficiency tests labs that are ISO 17025 certified. Aligned with new construction, commercial retrofit and energy-savings performance contract projects, our products and services deliver an exceptional lifecycle ownership experience, lower operating costs and increased reliability for many of North America’s major organizations. We continue to pursue excellence through strategies and best practices that are deeply rooted in a respect for our employees, the voice of the customer, industry partners and the environment, which collaboratively ensures the success of each project. Product Lines: OPAL™ SERIES ENERGY-EFFICIENT TRANSFORMERS: OPAL™ Series transformers deliver 30% more energy savings than DOE's 2016 minimum efficiency requirement and 80% savings on retrofit projects. OPAL™ transformers contribute to efficiency targets for Deep Retrofit, LEED®, Net-Zero and High performance Building projects. HIGHLY CONFIGURABLE ENERGY STATION™ PDUs & RPPs: Energy Station™ PDUs and RPPs offers extensive configurability and versatility for mission critical, high-density and specialty applications. SUBMETERING AND INTEGRATED BUILDING RESOURCE DATA MANAGEMENT SOLUTIONS: Cyberhawk™ submeters & Powersmiths WOW™ integrated building resource data management solutions offer convenient accessibility, efficient reporting and end-to-end support.
Brampton, CA
Private
$22.8M Revenue
http://www.powersmiths.com
87 Employees

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