-HVAC/CONTROLS/PLBG/HOME/CONSTRUCTION/STANDARDS/OCCUPATIONAL SAFETY-
- Honeywell Engineering Manual of Automation Control
- Honeywell Home and Building Control
- the HVACMALL
- ASHRAE Homepage
- Minvalco
- Climatic Control Company
- Gustav A. Larson Company
- SPS Companies, Inc.
- Grainger
- HVAC Controls
- Minneapolis Builders Exchange
- HVAC Mall
- HVAC Online
- BUILDER Online on the Web
- Environmental Support Solutions, Inc. (ESS)- HVAC Servers Page
- Delta Controls (HVAC, Access and Lighting Control)
- Delta Control Products (Valves, Actuators, Dampers)
- Belimo Actuators
- MAMAC Systems
- Fisher Controls (Emerson Process Management)
- Invensys Building Systems (Barber-Colman/Robertshaw)
- American Auto-Matrix
- Alfa Laval - HVAC & Refrigeration Products(Heat Exchangers)
- Alfa Laval - Products & Solutions
- Teletrol Web Site
- United Systems - Teletrol Automation Systems
- Alerton Technologies Inc
- Andover Controls
- Automated Logic Corporation
- Computrols, Inc.
- Control Systems International
- Electronic Systems USA
- Siemens
- Staefa Control System
- Siemens Building Automation (Landis & Staefa)
- Phoenix Controls Company
- Richards/Zeta Building Automation
- Staefa Control System (Siemens Building Technology)
- KMC Controls (Kreuter Manufacturing Company)
- TCS/Basys Controls
- Kele & Associates
- Greystone
- Automation Components, Inc. (ACI)
- Power/mation
- B & B Electronics (Network Devices)
- Black Box Company (Network devices, etc..)
- Gems Sensors
- General Eastern (Humidity Measurement)
- Kavlico Corporation (Pressure & Position Sensors)
- Setra Systems, Inc.
- Masoneilan - Dresser Valves & Controls
- Conbraco Valves (Apollo)
- Hammond Valves
- Bayside HVAC Products
- Liebert
- Metropolitan Mechanical Contractors (MMC) - Emporis Companies
- Owens Services
- Himec Inc.
- Thermex
- Tescom Corporation
- Victaulic
- Indelco Plastics
- AMETEK Motors and Intruments
- Grundfos
- Square D (Schneider Electric)
- Klockner-Moeller
- Hubbell Inc.
- ABB Group
- SSAC, Inc. (ABB)
- ABB Drives and Power Products
- Omron Electronics Inc.
- Nedco Electronics (CDS/Nedco)
- King Fan Technology
- IEC Motor Data Calculator Software Download (Square D)
- Belden Wire & Cable Company
- K.L. Tannehill, Inc.: Wire and Cable Distributor
- TSI Incorporated
- Ashcroft Pressure and Temperature Instrumentation (Ashcroft/Willy)
- Dwyer Instruments
- Love Controls
- Time Mark® Corporation
- ACR _ Data Logging Devices
- Trane Controls & Automation
- Spence Engineering (Steam Controls)
- J.H. Larson
- Honeywell
- Honeywell - Home & Building Solutions
- Honeywell - Automation and Control Solutions
- Johnson Controls Inc.
- Reliable® Controls
- McQuay International
- York International
- Phonetics, Inc. - Sensaphone
- Plant Services - MRO Central On The Web
- Buildings.com - The Commercial Buildings Industry Source
- Home Improvement and Repair from Hometime
- LOVE Plumbing & Remodel (Repair, Remodel, Advice Faq & Tips)
- HouseNet
- Home Automation Systems, Inc.
- BACnet.org
- BACnet™ - By PolarSoft®
- GSA Guide to Specifying Interoperable Building Automation and Control Systems Using BACnet
- National Institute of Standards & Technology
- Echelon® - The LonWorks® Company
- Evapco
- Baltaircoil Limited - Baltimore Air Coil (BAC)
- Marley Cooling Towers
- International Institute for Energy Conservation (IIEC)
- American National Standards Institute (ANSI)
- OSHA
- Copper Tube Handbook - Table of Contents
- International Air-Conditioning / Heating / Refrigeration Exposition (AHR Expo)