monitoring-based commissioning

Advanced Building Performance, Inc (ABP) is a small, Potomac, Maryland based Commissioning and Engineering Consulting firm founded in 2003 by Paul Tseng. It delivers commissioning, high performance building consulting, and sustainable energy services, and has grown into a Certified Commissioning Firm with more than 350 completed projects and 195+ LEED projects.

code compliance commissioningcommissioningenclosure commissioningengineering consultingfacilities conditions assessmentLEED commissioningMEP systems commissioningRetro-Commissioning

ENFRA develops, delivers, and sustains energy infrastructure for mission-critical organizations, with capabilities spanning engineering, construction, operations and maintenance, fabrication and modular construction, energy performance management, and Energy-as-a-Service. It reports more than 3,000 employees across 28 locations and over 100 years of delivering energy infrastructure solutions for healthcare, higher education, hospitality, industrial, and other mission-critical environments. The company rebranded as ENFRA in May 2025.

building automation and controlscommissioningdesign-buildelectrical constructionElectrical Engineeringenergy auditsEnergy Modelingenergy system designfabricationfacility benchmarkingmechanical constructionMechanical Engineeringmodular constructionperformance analyticsplumbing designpreventive maintenancestructural engineering

CopperTree Analytics provides building analytics and automation software, including its flagship Kaizen Software-as-a-Service supervisory platform. The company offers fault detection and diagnostics, energy management, automated commissioning, automated system optimization, data integration, compliance reporting, and advisory services to help buildings operate more efficiently and sustainably.

advisory servicesautomated commissioningautomated system optimizationcompliance reportingdata integrationenergy managementfault detection and diagnosticsManaged ServicesRetro-Commissioning

Grumman|Butkus Associates (GBA) is a sustainable engineering firm founded in 1973, specializing in sustainable design engineering and energy efficiency consulting. The firm provides MEP engineering design, commissioning, retro-commissioning, monitoring-based commissioning, facility analysis, and energy efficiency consulting, with over 50 years of experience and 177 awards for engineering excellence.

ASHRAE auditsbenchmarkingcommissioningenergy efficiency consultingEnergy ModelingFacility AssessmentMEP engineeringRetro-Commissioning

Energy Resources Group, Inc. (ERG) is a consulting and design firm founded in 1975 that specializes in saving energy for clients. ERG is a certified Commissioning Authority (CxA) and blends architectural and engineering expertise to design and implement energy efficiency programs for new construction and retrofits.

benchmarkingbuilding systems designcommissioningenergy auditsenergy master planningEnergy Modelingfinancing assistanceloads analysismeasurement & verificationnet-zero consultingRetro-Commissioningretrofit design and implementation

Enviros is a Service-Disabled Veteran-Owned Small Business focused on delivering optimal facility performance to reduce the environmental impact of buildings. Established in 2009 as National Facility Solutions, the firm has grown to a team of over 50 and twice made the Inc 5000 list. It combines building management experts with its iPerformance platform for facility optimization.

arc flash hazard analysisasset inventorybuilding commissioningelectrical servicesenergy auditsfacility assessmentsindoor environmental quality assessmentMEP engineeringRetro-Commissioning