Communications/ Optoelectronics/ Photonics:

Laser Focus World |  Vision Systems Design |  Military & Aerospace Electronics | Avionics Intelligence | Lightwave |  Industrial Laser Solutions |  LEDs |  BioOptics World | Illumination in Focus | Stategies Unlimited 

Dental:

Dental Economics |  Dental Office |  Registered Dental Hygienist (RDH) Magazine |  |  IneedCE Dental Continuing Education Courses |  Proofs |  DentistryIQ  |  PennWell Dental Books | Surgical Restorative Resource

Fire/Public Safety:

Fire Engineering Magazine |  Courage & Valor Foundation  |  Fire Apparatus & Emergency Equipment Magazine |  FireLife |  Urban Firefighter | JEMS (Journal of Emergency Medical Services) Magazine | FireRescue Magazine | Law Officer Magazine | Fire Engineering University | FireFighter Academy | PennWell Fire Books | FireFighter Nation

Oil and Gas:

Oil & Gas Journal |  Offshore Magazine |  PennEnergy |  PennEnergyJobs |  Oil & Gas Financial Journal |  MapSearch-Oil & Gas Maps | PennEnergy Research | PennWell Oil & Gas Books | PennEnergy Equipment | Oil, Gas & Petrochem Equipment | ENVision

Power Generation/ Energy:

Power Engineering | Renewabl Energy World | Cogeneration and On-Site Power Production | Electric Light & Power | POWERGRID International | Utility Products | Middle East Energy | Nuclear Power International | Potencia | Power Engineering International | WaterWorld | WaterWorld CE | Water & Wastewater International | Industrial WaterWorld | HydroWorld | WaterWorld Jobs | pennwellhub Power | Transmission Hub | Generation Hub | Fossil Fuels Tracker | Coal Insider

Information Technology/ Electronics:

Advance Packaging |  Cabling Installation & Maintenance |  Broadband Technology Report