air quality monitoring

Established in 1986, ACC Environmental Consultants, Inc. is a 100% employee-owned, multi-practice environmental consulting firm providing services to California, Oregon and Washington. Services include asbestos, lead and mold consulting and testing, Phase I and Phase II Environmental Site Assessments, industrial hygiene and safety, hazardous materials management, and emergency response services.

environmental consultingexpert witnessindustrial hygiene assessmentsInspectionrisk management planningtestingtraining

Advanced Monitoring Methods (AdvM2), based in Castle Pines, CO, has over 30 years of experience providing high-quality environmental data from remote locations. AdvM2 designs, installs, operates, and maintains real-time 24/7/365 air quality, meteorological, and water monitoring systems, offering complete installation-to-reclamation services and environmental consulting.

environmental consultingflood warning systemsinstallationmaintenance and calibrationmeteorological monitoringQA/QCremote data collectionsystem design and integrationtelemetrywater monitoring

Aethair (formerly Airthinx), based in Philadelphia, builds air quality monitors (Aethair PRO and Aethair IAQ), the Thiamis gateway for third-party instruments, and Environet, the platform that turns readings into alerts, compliance reports, and dashboards. Used by enterprise and government teams for minute-by-minute environmental monitoring, with 2,000+ organizations in 45+ countries in 2025.

alerting via email, SMS, webhookcellular-connected devicescompliance reportingEnvironet APIenvironmental monitoringin-house calibration against NIST-traceable reference standardsthird-party instrument integration

Air Environmental Services, Inc. (AES) was formed in 1996 to provide environmental contracting and inspection services. The company provides remediation, restoration, and laser ablation services, including mold removal, asbestos abatement, lead paint remediation, and water damage cleanup for residential, commercial, industrial, and marine properties. It is licensed to conduct work in Louisiana, Arkansas, Texas, Mississippi, and Ohio, and has taken on projects throughout the United States as well as in Africa, Indonesia, and Asia.

asbestos abatementdecontaminationInspectionlaser ablationlead paint remediationmold remediationremediationrestorationtrainingwater damage restoration

Air Resource Specialists (ARS) is an environmental consulting company established in 1981 that provides air quality monitoring, data services, and quality assurance and auditing. ARS offers comprehensive air quality monitoring at any scale, data collection, validation, analysis and reporting, custom website and database development, and independent auditing with QA documentation. Its staff of 25 serves government, municipal, and industrial clients.

auditingcustom website developmentdata analysisdatabase developmentdata managementdata validationinstrument calibration and maintenancenetwork operationsQuality Assurancereportingsite selection and installation

Air Sciences Inc. is an employee-owned air quality and environmental consulting firm founded in 1980 in the Denver-metro area, with offices in Golden, Colorado and Portland, Oregon. It provides air pollution compliance, air quality consulting, and environmental consulting services to industry and government clients throughout the United States and internationally.

compliance auditingdata managementdata visualizationdecision supportdispersion modelingdust mitigationemissions inventory developmentfire behavior modelingmeteorological monitoringpermitting

Allimaki provides integrated energy management, indoor air quality monitoring, and purification through its e360 platform, a single-pane architecture combining energy monitoring, building automation, and air quality management. It uses AI and machine learning to optimize energy usage, predict maintenance needs, and ensure operational efficiency. Solutions are tailored for homes, businesses, and public sector organizations, primarily in the Portland area and surrounding communities.

AI-driven automation and optimizationair purificationbuilding automationenergy monitoringHVAC controlIoT asset controlslighting controlpredictive maintenance

Applied Hydrogeologic Solutions, LLC (AHS) is a multidisciplinary environmental consulting firm based in Gainesville, Florida, specializing in straightforward, cost-effective solutions for environmental projects ranging from basic to complex. AHS offers environmental consulting services to both governmental and private entities, combining the experience of a large firm with the personal attention of a small business. Its professional staff has more than 25 years' experience providing environmental services throughout Florida and the United States.

contaminant fate and transport modelingdewatering system design and operationEnvironmental Complianceenvironmental consultingenvironmental managementexpert witness servicesgroundwater servicespetroleum and chemical assessment and remediationregulatory and legal supportSPCC plan preparationStormwater ManagementUST compliance inspectionswater resource services

Blue Tomorrow is an environmental consulting firm based in Santa Barbara, California. It helps non-profits, government agencies, tribal governments, and private companies with resource management, planning, and monitoring projects, providing environmental consulting services to mitigate impacts and develop solutions to environmental challenges.

aquatic organism passage barrier inventoryClimate Vulnerability Assessmentcreek restorationenvironmental consultingerosion controlgroundwater management planningHazard Mitigation Planningheavy metals analysisinterpretive signage developmentparticulate matter samplingpesticide air samplingreforestationrevegetation planningwatershed assessment

CASSIE develops a patented air filtration system that kills mold, viruses, and bacteria with zero harmful emissions, unlike UV and ionizer systems that emit ozone. The company states its technology is 99.9% effective at killing viruses, bacteria, and other pollutants, with a 59-second disinfection time and 24-hour air quality monitoring. Based in Tulsa, Oklahoma, CASSIE aims to advance indoor air quality through light-based filtration technology.

air filtrationdisinfection

Chesapeake Controls, Inc. is a provider of building automation systems (BAS) and commercial HVAC services, celebrating 40 years of smart HVAC solutions and service. It serves commercial buildings throughout the Mid-Atlantic and clients in 17 states, and was named ControlTrends' Systems Integrator of the Year for 2019.

24-hour emergency servicebuilding automation systems integrationequipment change-outs and retrofitsHVAC service and maintenanceremote monitoring

Clarity provides a complete, end-to-end air quality monitoring system trusted by governments, businesses, and communities in 85+ countries. Its Sensing-as-a-Service combines solar-powered air monitoring equipment, cloud-based software, and expert air quality support into one seamless solution for air quality measurement.

cellular connectivitycloud data managementcollocationdata visualizationremote calibrationsolar-powered sensing

Community Environmental Laboratories, Inc. (CEL) is a privately owned, ISO 17025 accredited laboratory specializing in drinking water, wastewater, food, and air quality testing, plus instrument calibration. Founded in 1995 by Mr. David Allan Klunk, a Johns Hopkins scientist, with the mission that everyone should have access to safe drinking water. Headquartered in Maryland, it serves clients nationwide, with on-site sample collection in Maryland, Delaware, Pennsylvania, Virginia, New Jersey, and Washington D.C.

drinking water/wastewater operation and maintenancefood pathogen testinginstrument calibrationmold testingonsite samplingwastewater testingwater testing

Davis Instruments manufactures weather stations and environmental monitoring instruments, including the Vantage Vue and Vantage Pro2 weather stations, WeatherLink data collection and viewing products, AirLink air quality monitors, and EnviroMonitor agricultural monitoring systems. The company states that thousands of Davis weather stations operate around the world and describes itself as an AEM brand and a leader in smart-sensing for agriculture.

agricultural field monitoringdata collection to cloudNIST-traceable calibrationremote monitoringweather monitoring

ECO Environmental Services, Inc. is a Pacific NW specialty contractor founded in 2009, based in Kent, Washington. It is an L&I Asbestos Certified Contractor and EPA Lead Certified Firm, compliant with local, state and federal regulations for worker certifications, air quality monitoring, removal methods, disposal and documentation. It serves commercial and residential projects with an emphasis on safety.

asbestos abatementdisposallead removalmold remediationProject managementroof tear-offs

ENVEA provides certified air quality, emissions and process monitoring systems and environmental DAHS, turning real-time data into insights for compliant operations. Backed by over 45 years of innovation, the company offers specialist solutions, consultancy and support to help industries, public entities and research institutions monitor and minimize environmental impact.

consultancyemissions monitoringinstallation and commissioningprocess monitoringR&Dservice and maintenance

Environmental Demolition Group (EDG) is a specialty contractor founded in 2004 by Shawn McGinness, headquartered in Erlanger, Kentucky. EDG specializes in asbestos, lead, mold, and other environmental contaminant abatement, plus selective and interior demolition for commercial renovation, remodel, and conversion projects across Ohio, Kentucky, Indiana, and the wider Midwest and Mid-Atlantic regions.

asbestos abatementdry ice blastingenvironmental remediationfire damage restorationgroundwater protectionhazardous material removalinterior demolitionlead abatementmold remediationsandblastingselective demolitionsolid waste disposal

FluxSense is an expert in gaseous emission measurements and leak search, offering optical instruments and measurement services for a wide range of VOCs, criteria pollutants and GHGs to industry, environmental authorities and the scientific community. FluxSense AB was founded in 2001 to fill a need for reliable diffuse emissions measurements for the petroleum and petrochemical industry, and has conducted well over 100 measurement campaigns in Europe, America and Asia.

concentration mappingdata analysisemission quantificationleak searchmobile laboratoriesoptical measurementstraining and support