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Water: It’s a human thing. What makes us human? Imagination. Cooperation. Forethought. Sticking our necks out for each other. And at least 60% water. Some of the very same things that make us LEE + RO. We may be known for water infrastructure engineering, but we’re just as recognized for the way we do business. For listening. Collaborating. Taking responsibility. And making good on our promises. Because our bottom line is not the bottom line: It’s people. Our people. Our clients. And the people and communities they serve. Ensuring their (second) most essential need is met safely, reliably and sustainably. No matter what. It’s not just the right thing: It’s the human thing. Californians for Californians. We’re not some giant regional or global firm. We’re lean and local. For 40 years, our focus has been squarely in our backyard. We know California because we belong to it. We actually live in the communities we serve. And having worked with over 200 public and private sector clients throughout the state, we’ve gained an exceptionally deep understanding of our unique water infrastructure needs and challenges, and just how pressing and profound they are. Fortunately, we live for the challenge. And we’re not averse to being local heroes. Everything you need. And nothing you don’t. LEE + RO develops water infrastructure and environmental engineering solutions for public works agencies, municipalities, and governmental clients, with its process design, civil, mechanical, structural, and electrical/instrumentation design services all under one roof. The company specializes in planning, engineering, and construction management services for wastewater collection and conveyance, water/wastewater treatment, water and recycled water storage, conveyance and distribution, and industrial waste treatment and public works infrastructure.

LEE + RO Questions

The LEE + RO annual revenue was $18.4 million in 2026.

Charles Ro is the CEO of LEE + RO.

63 people are employed at LEE + RO.

LEE + RO is based in City of Industry, California.

The NAICS codes for LEE + RO are [541, 54, 5413, 54133].

The SIC codes for LEE + RO are [87, 871].

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