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Fairfield County Engineering LLC

Norwalk, CT

Fairfield County Engineering LLC is a civil engineering and site plan design firm based in Norwalk, Connecticut. Led by principal Wayne D'Avanzo, P.E., Fairfield County Engineering serves commercial and residential clients throughout Fairfield County. D'Avanzo holds more than thirty years of combined engineering and zoning experience in local Connecticut markets. Work spans single-family residences, residential subdivisions, commercial buildings, schools, hospitals, and shopping centers.

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Septic Systems Repair, B-100 and New System DesignService: On-Site Soils TestingIndustry: ResidentialIndustry: CommercialType: Civil Engineering+21 more

Grumman Engineering, LLC

Norwalk, CT

Serving Southern Fairfield County and the surrounding region

WebsitePhone1 office1 leadersFounded 1973Updated Jun 2026

Service detail: Environmental Engineering

Service: Environmental EngineeringService: Septic Systems Repair and New System DesignService: On-Site Soils TestingIndustry: ResidentialIndustry: CommercialType: Civil Engineering+20 more