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Alliance Technical Group
Decatur, Alabama
Source testing, continuous monitoring, LDAR, ambient air and air-compliance support.
Public-source reviewedReviewed Jul 27, 2026
9 companies with air permitting capability serving Wisconsin. Free to search. Every listing shows its research source and the date it was last reviewed.
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9 companies
Decatur, Alabama
Source testing, continuous monitoring, LDAR, ambient air and air-compliance support.
Saint Paul, Minnesota
Engineering and testing firm providing stack testing, ambient air monitoring, air permitting support, emission inventories and control equipment optimization for stationary industrial sources.
Green Bay, Wisconsin
Industrial compliance support including air permitting and modeling, stormwater, reporting, auditing and wetland work.
De Pere, Wisconsin
Wisconsin-headquartered engineering and environmental consulting for industrial compliance, permitting, water and remediation.
Hobart, Wisconsin
Full-service environmental consulting firm providing Phase I and II site assessments, brownfield redevelopment, soil and groundwater remediation, air permitting and stormwater management.
Long Beach, California
Environmental consulting and engineering with strong solid-waste, air, compliance and remediation practices.
Windsor, Connecticut
Wisconsin office support for environmental permitting, compliance, air modeling, audits, remediation and infrastructure projects. Part of WSP; WSP is separately listed here.
Dallas, Texas
Wisconsin-specific environmental reporting and consulting for air, water, waste and federal/state submittals.
Montreal, Québec
Environmental permitting, compliance, remediation and water consulting for complex facilities and infrastructure. Parent of TRC Companies, which is separately listed here.