expert witnessing

Accessology, a certified DBE business, is a trusted partner in ADA compliance consultation. The company helps organizations navigate accessibility regulations and meet ADA standards, offering compliance plans, facility assessments, plan reviews, and training. Services are provided in 24 states and counting, with headquarters in McKinney, Texas.

ADA compliance consultationfacility assessmentsPlan ReviewsTexas facility inspectionstraining

Environmental Solutions AQ, LLC (ENSOAQ) is a woman- and minority-owned small business founded in 2010 by Monica Rakovan, Ph.D., providing comprehensive environmental consulting services in environmental assessments, geology, hydrology, mineralogy and land protection in Ohio, Indiana, Illinois, Michigan and New Mexico. The firm has over 30 years' experience in governmental, commercial, and academic sectors and is certified as an MBE, EDGE, 8(a) and MWBE firm.

Dam breach modelingFloodplain study and modelingGIS/Geospatial applicationGroundwater flow and contaminant transport modelingHydrologic and Hydraulic (H&H) Modelinglong-term monitoringMechanical Integrity Testing witnessingPhase I/II environmental site assessmentsRemedial Investigation/Feasibility Studiesstream restoration

Koogler & Associates (K&A) provides specialized environmental engineering, permitting, reporting, testing and consulting services related to industrial air quality. Established in 1974 by founder John B. Koogler III, Ph.D., P.E., the company serves primarily industrial clients in the Southeastern United States. K&A is now part of ALL4.

air emissions testingair quality modelingair quality monitoringCEMS calibration and accuracy auditsContinuous Emission Monitoring (CEM) systemsenvironmental engineeringFTIR spectroscopyisokinetic testingpermitting