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Founded in 1979, ELDERTREE enveco INC provides environmental consulting and contracting services in the USA and in 29 foreign countries to date. ELDERTREE enveco INC maintains primary offices in Manhattan (corporate) and San Francisco. Cooperative offices are located in Chicago, Illinois; Pisa and Lecce, Italy; and Grand Rapids, Michigan. We have written legislative and regulatory language and standards for the U.S. Government and for ASTM International. ELDERTREE enveco INC staff have published 2 text books, "The Best of the Hardiest," and "Where The Tall Grass Grows," by John J. Sabuco, and are consulting editors on 5 other published books in our field. 102 articles by ELDERTREE enveco INC staff have appeared in The Washington Post, The National Law Review, Natural History Magazine, among others. We have been featured in national news coverage by the New York Times - Joan Lee Faust. Twice in the Chicago Sun Times: Once on the first page by Rebecca Carr, and again on the entire Homes Section first page by Carolyn Ulrich; and in an ABC News interview with Alan Krashesky. As expert witnesses our clients have won 41 of 43 cases, including the largest settlement ever (to that date) in a RCRA Citizens Suit Case - Trident Properties vs. Amoco Oil for $6.41 million U.S.

Eldertree Questions

The Eldertree annual revenue was $4 million in 2026.

Eldertree is based in Frankfort, Illinois.

The NAICS codes for Eldertree are [541, 54].

The SIC codes for Eldertree are [899, 89].

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