indoor air quality investigations

ACT Environmental, Inc. (ACT) is an environmental and industrial hygiene consulting firm serving commercial, industrial, healthcare, government, and public-sector clients. Founded in 1991, ACT combines Certified Industrial Hygienists (CIH), Professional Engineers (P.E.), Certified Safety Professionals (CSP), and experienced environmental professionals to provide practical, technically sound solutions to environmental, occupational health, and workplace safety challenges throughout Arizona and the Southwest.

air monitoringasbestos inspectionsenvironmental engineeringenvironmental site assessmentsindustrial hygiene assessmentslead-based paint inspectionsmold investigationsOSHA/MSHA compliance consultingremediation oversight

AMA (Aerosol Monitoring & Analysis, Inc.) is an industrial hygiene, environmental, health and safety consulting and training firm founded in 1981 and located in Hanover, Maryland. It provides consulting and training services to government agencies, institutions, building owners, property managers, architects and engineers, and was acquired by The EI Group, Inc. in May 2025.

abatement project design and monitoringasbestos building surveysexposure monitoringindustrial hygiene monitoringmold assessmentssafety and OSHA compliance auditstraining courses

Allegheny Global Environmental, Inc. (AGE) is an environmental consulting firm founded in 1988, originally as Allegheny Asbestos Analysis, Inc. It provides environmental testing, consulting, management and compliance services. AGE is a 100% Certified Women Owned Business (WBE) and Disadvantaged Business Enterprise (DBE), with offices in Carnegie, PA and Davis, WV, and offers 24 hour emergency services.

24-hour emergency servicesanalytical servicesBiological and microbial investigationsenvironmental site assessmentsHealth and safety plansindustrial hygiene servicesLEED sampling for air qualityNIOSH compliant dust monitoringPCB surveysSoil, air and water testing and analysis

Aurora Industrial Hygiene, Inc. was formed in 1996 by a group of professionals to provide industrial hygiene and safety services. The firm offers industrial hygiene surveys, safety and risk management, asbestos and lead management, indoor air quality investigations, and training. It is a Women, Minority, and Service Disabled Veteran-Owned Small Business with offices in San Diego and Signal Hill, California. Effective May 30, 2026, Aurora joined Citadel EHS.

abatement designair monitoringasbestos and lead inspectionsconfined space auditsergonomic analysesindustrial hygiene surveysnoise monitoringOSHA compliance auditsrisk assessmentssafety auditstraining

Building Air Quality is a Texas based consulting firm in business to identify and eliminate Indoor Air Quality (IAQ) problems in commercial buildings. The scope of our service ranges from ProActive indoor air quality investigations designed to identify IAQ problems before they occur, to reactive situations in which we attempt to identify and solve indoor air quality problems which are occurring. Indoor Air Quality Clients Our clients include a mix of third-party management firms, REITs, and other commercial property owners (including educational facilities) interested in addressing indoor air quality issues head on. They hire us Pro-Actively to perform due-diligence studies, and they use our services to address indoor air quality complaints when they occur. We nderstand the potential legal exposure of our clients and we work diligently to identify and eliminate problems before they.

indoor air quality consulting

Carnow, Conibear & Assoc., Ltd. is a full-service environmental and occupational health consulting firm founded in 1975 by Dr. Bertram Carnow and Dr. Shirley Conibear. Based in Chicago, it provides environmental engineering, industrial hygiene, occupational medicine, indoor air quality, asbestos and lead-based paint consulting, and occupational safety services to private and public sector clients. It is a City of Chicago-certified WBE firm.

air monitoringAsbestos inspection and abatementenvironmental engineeringErgonomic evaluationsfacility auditsindustrial hygienelead-based paint consultingmedical surveillanceoccupational medicineremediation design and managementsafety training

HP Environmental is a professional environmental consulting firm specializing in industrial hygiene, environmental science, toxicology, site assessment and building science. It operates environmental microbiology and chemistry laboratories and provides expert staff including industrial hygienists, microbiologists, toxicologists, chemists, geologists and engineers. The company is celebrating its 30th anniversary.

air monitoringAsbestos and lead surveysChemistry laboratoryEnvironmental microbiology laboratoryExposure assessmentindustrial hygieneLegionella testingMicroscopyMold and moisture investigationsproject managementsite assessmentwater testing

JRM Environmental, Inc. is an environmental testing and consulting firm founded in January 1996 and based in Scottsdale, Arizona. It provides asbestos, lead, and mold/microbial testing and indoor air quality investigations for commercial and residential properties, serving clients throughout Arizona, California, Nevada, New Mexico, and Utah. The firm operates an in-house laboratory accredited under NVLAP 200080-0.

asbestos testingenvironmental consultingin-house laboratory testinglead testingmold and microbial testing

Keithly Barber Associates, Inc. (KBA) is a building commissioning and energy conservation consultancy based in Renton, Washington, with over 25 years of experience. KBA helps clients optimize building performance, lower utility costs, enhance occupant comfort, and extend equipment life through services including new building commissioning, retro-commissioning, and commissioning coordination.

building commissioningcommissioning coordinationenergy auditsinfrared thermographyRetro-CommissioningSustainability consulting