system design and engineering

A-C Air Care LLC is a family-owned, customer-focused heating and air-conditioning company located in Elkridge, Maryland. It designs, engineers, and installs complete comfort systems for residential and commercial property owners and serves Prince George's, Montgomery, and Baltimore Counties as well as the DC area. The company states it has been serving Elkridge for a decade and cites over 20 years of industry experience.

boiler servicescommercial HVACductless mini-split installationHVAC installationHVAC maintenanceHVAC repair

Affordable Comfort Heating & Cooling is a family owned and operated HVAC contractor serving Metro Detroit, Michigan and surrounding areas. The company specializes in servicing, designing, engineering, and installing complete heating and cooling systems for residential and commercial customers, and offers annual maintenance memberships and tune-ups.

HVAC installationHVAC maintenanceHVAC repairresidential and commercial servicetune ups

Anguil Environmental Systems, Inc. is an environmental technology supplier headquartered in Milwaukee, WI USA with offices in Asia and Europe. Since 1978, Anguil has engineered, manufactured, installed, and serviced systems that help manufacturers and industrial facilities address complex air and water pollution challenges.

aftermarket servicecontrols and automationequipment manufacturinginstallationprocess analysisproject managementremote monitoring

APCO Inc is a process control automation company based in Utah with a growing presence in Texas, serving clients nationwide. Founded in 1998, the company has over 25 years of experience performing process control and automation services for industries across the Intermountain West, including mining, water and wastewater, oil and gas, manufacturing, food and agriculture, and power and energy.

advanced planning and modelingcommunications infrastructureCybersecurityOEM solutionspanel fabricationprocess control automationproject managementsystem integration

Air Purifiers, Inc. is a Rockaway, New Jersey-based provider of industrial and commercial air purification and filtration systems, founded in 1982. The company designs, supplies, installs, and services air quality solutions for facilities across CT, NY, NJ, PA, MD, and DE, serving municipalities, fire departments, schools, manufacturers, laboratories, and commercial facilities.

carbon filtration and odor controlCO and gas detectiondust collectionfume and welding smoke extractioninstallationmaintenance and inspectionsPSC 3694PSC 4140PSC 4460PSC 4720retrofit servicessource capture arms and local exhaust ventilationvehicle exhaust extraction

Applied Plasma Innovations LLC is developing plasma technology for the production of specialty products while providing expert consulting services in low temperature plasma, vacuum systems, and plasma chemistry. API is building a plasma technology platform to restart domestic production of rocket propellants and other strategic chemicals, with a pathway from prototype to scale, and offers consulting in low-temperature plasma interactions, surface modification, and vacuum systems.

consultinglaboratory proof-of-concept testinglow-temperature plasma chemistryplasma-chemical synthesisplasma technology platform developmentPSC AJ12PSC AJ13PSC AJ14PSC R405PSC R410PSC R425PSC R499R&Dsurface modificationvacuum systems

AV3, Inc. is a small Native American and Veteran owned Audio-Visual Systems Integration company headquartered in Southern Maryland. Since 2006, AV3 has provided products and services centered on Audio-Visual integration and installation using a turnkey approach. AV3 designs, programs, and installs high-performing ProAV systems, and is ISO 9001 certified and a certified Minority Business Enterprise through the state of Maryland.

AV systems integrationin-lab testinginstallationmaintenance and supportprogrammingsite surveystrainingvideo wall design and integration

AVC is Motorola's Preferred Partner in Arkansas for two-way radio communications and video security. The company designs and delivers communication and coverage solutions including two-way radio systems, in-building BDA/DAS coverage, video security, and integrated voice and data across multiple locations, serving businesses and government operations in Arkansas.

BDA/DAS designFCC licensingmaintenance agreementsTower construction and maintenancetwo-way radio installation and repairvehicle upfittingwide area systems

BellatRx designs, manufactures, integrates, and services packaging machinery for front-of-line automation, serving pharmaceutical, nutraceutical, biotech and diagnostics, cosmetics, food, beverage, personal care, and chemical manufacturers across Canada and the U.S. The company builds machines engineered for continuous operation and provides turn-key line integration, installation, commissioning, training, and lifetime aftermarket support.

Factory Acceptance Testinginstallation and commissioningline integrationmachine manufacturingoperator and technician trainingpreventive maintenanceproject managementremote service using augmented reality

Chicago Communications, LLC, formerly Chicago Communication Service, Inc., was formed on October 1, 2004, to provide sales, installation, and maintenance of communications equipment throughout the Chicagoland area. It has supplied and implemented communications systems since 1953 and is a union company recognized as a Motorola Solutions Elite Service Specialist. In 2025 it joined the CSE Crosscom USA Inc. family, along with parent CSE Global.

24/7 serviceconsultingDAS in-building coveragedispatch center solutionsinstallationmaintenancePSC 5810PSC 5985PSC 5995PSC N059repairsystem integrationwireless networking

Connex Communications is a full-service technology integration company with more than thirty years of industry experience, specializing in the design and delivery of advanced security, automation, networking and low voltage systems for residential and commercial environments. The team manages every stage from system design and infrastructure planning through installation, programming and ongoing support.

access controlCCTV installationfiber optic networkshome automationinstallationjob site managementongoing supportprogrammingstructured cabling