test and balance

Arctic Engineering is a mechanical construction and HVAC company serving commercial, institutional, and industrial customers in Northwestern Indiana and the South Chicago suburbs. Since 1958 it has provided mechanical installation, piping, plumbing, sheet metal fabrication and installation, design engineering, project coordination, commissioning and start-up, and service and maintenance. It is a member of the USGBC with LEED-credentialed staff and is part of parent company PremiStar.

backflow prevention testingBIMcommissioning & start-updesign-buildDesign & Engineeringenergy auditsHVAC pipingplumbingpreventive maintenancesheet metal fabricationsheet metal installation

Blizzard Air Conditioning, LLC is a state certified, licensed and insured air conditioning company serving South Florida. It provides maintenance, repair, and new installation of heating, ventilation, and air conditioning (HVAC) for commercial and industrial clients, including healthcare, public schools, airports, and government facilities.

duct cleaningHVAC installationHVAC maintenanceHVAC repairinsulationpipe fittingsheet metal work

Capital Projects is a mechanical contracting company serving Maryland, D.C. and Virginia. It provides HVAC system solutions, new installations, equipment replacement, services and maintenance, welding and fabrication, and architectural services. The company states it is an industry leader in HVAC system solutions with a knowledgeable professional staff and quality workmanship.

architectural servicescarpentryConcretedrywallelectricalequipment replacementfabricationHVAC installationmaintenance and servicepaintingpipe fabricationplumbingsheet metal installationtroubleshooting mechanical systemswelding

Circle City Cleanroom Inc. is a cleanroom testing and certification company based in Beech Grove, Indiana, with over 10 years of experience in the environmental health industry. They provide ISO cleanroom certification, biological safety cabinet and fume hood certification, incubator repair, USP pharmacy testing, and microbial sampling, serving pharmaceutical, biotech, semiconductor, medical device, and data center sectors.

airflow visualizationbiological safety cabinet certificationdecontaminationenvironmental monitoringequipment calibrationfume hood certificationHEPA filter integrity assessmentincubator repairISO 14644 cleanroom certificationmicrobial samplingparticle count testingUSP pharmacy testing

C.L. Linfoot Company is a full-service mechanical contractor based in Grand Forks, ND, founded in 1893 in East Grand Forks by C.L. Linfoot. The company provides commercial and residential heating, air conditioning, fireplaces, commercial roofing, preventive maintenance, and service, and has over 130 years of history in the region.

24 hour emergency servicecommercial roofingdesign/buildHVAC installationpreventive maintenancesheet metal fabricationvalue engineeringwelding

Four Seasons Environmental Solutions, Inc. (FSE) is a family-owned facility management and environmental solutions company founded in Ohio in 1985 as a small mechanical and general contractor. It operates, maintains, services, and supports buildings across the United States, including CDC, USDA, FDA, NOAA, and NIOSH facilities, and maintains 12 million square feet. The company is owned and operated by five siblings.

commissioningenergy managementfacility assessment and capital planningfacility operation and maintenancefume hood testingHVAC, electrical and plumbing maintenancesecurity systemsservice and repair