N-Viro International Corp. (fka NVIC)

[ammobox]

NVIC subsidiary Florida N-Viro Management LLC if I'm not mistaken is gone as well.

UPDATE
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Brian Wheeler reported that Florida N-Viro LP (N-Viro), the biosolids processing contractor for the Authority, had communicated to TWA staff that the company would not be be able to provide the contracted services after January 13, 2014 because their supplier of fly ash, a
critical component used in the treatment process, would no longer be able to provide the material. Staff investigation of the status of the N-Viro company indicates that the company is having some problems that may inhibit its ability to meet its contract obligations in the future

You can read the rest of the article here
https://www.tohowater.com/AboutUs/Minutes/01-22-2014.pdf#search=N-Viro

It also is inactive in Florida now as well as of 09/22/2017
http://search.sunbiz.org/Inquiry/CorporationSearch/SearchResultDetail?inquirytype=EntityName&directionType=Initial&searchNameOrder=FLORIDANVIROMANAGEMENT%20M980000009350&aggregateId=forl-m98000000935-87449bcf-f00c-46a4-86f3-8528955e11b4&searchTerm=Florida%20N-Viro%20Management%2C%20LLC&listNameOrder=FLORIDANVIROMANAGEMENT%20M980000009350