| Company | Booth |
| A |
| ABB Inc. | 3435 |
| ABZ Valve & Controls | 3668 |
| Acme Engineering Products, Inc. | 3952 |
| Acme Engineering Products, Ltd. | 3952 |
| Advanced Control Technologies, Inc. | 3628 |
| AED Electronics | 3850 |
| Air Products and Controls Inc. | 3549 |
| AirTest Technologies Inc. | 3827 |
| Alerton | 3422 |
| American Auto-Matrix | 3449 |
| ANCHER Technology Inc. | 3842 |
| ASHRAE eLearning Systems | 3722 |
| ASI Controls | 3815 |
| Auto Tran Incorporated | 3627 |
| Automation Components, Inc. | 3750 |
| Azimuth Machinery | 3764 |
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| B |
| Bacharach, Inc. | 3962 |
| BACnet Interest Group Europe | 3529 |
| BACnet International | 3523 |
| BELIMO Americas | 3414 |
| Bray Controls | 3941 |
| Building Automation Products, Inc. | 3950 |
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| C |
| Calectro AB | 3757 |
| Chemtrol Division, Santa Barbara Control Systems | 3553 |
| ComfortStat | 3654 |
| Connect-Air International, Inc. | 3559 |
| Contemporary Controls | 3953 |
| Continental Automated Buildings Association (CABA) | 3855 |
| Control Products, Inc. | 3929 |
| Control Solutions, Inc. | 3640 |
| Critical Environment Technologies | 3912 |
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| D |
| Delta Control Products | 3941 |
| Delta Controls | 3423 |
| DENT Instruments | 3754 |
| Dexen Industries, Inc. | 3657 |
| Distech Controls, Inc. | 3436 |
| Dodge Engineering & Controls, Inc. | 3817 |
| Domosys Corporation | 3756 |
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| E |
| E + E Elektronik Ges. m.b.H. | 3915 |
| EBTRON, Inc. | 3649 |
| EdgeTech | 3854 |
| Electro Static Technology | 3729 |
| EMCO Flow Systems | 3944 |
| EnOcean Inc. | 3650 |
| Enolgas Bonomi spa | 3641 |
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| F |
| FieldServer Technologies | 3653 |
| Flexim Instruments LLC | 3644 |
| Flow Control Industries, Inc. | 3554 |
| FlowCon International | 3535 |
| Fuji Electric Corp. of America | 3550 |
| Functional Devices, Inc. | 3636 |
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| G |
| Genesis International, Inc. | 3638 |
| Greystone Energy Systems, Inc. | 3659 |
| Gruner AG | 3968 |
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| H |
| Hays Fluid Controls | 3622 |
| Heat-Timer Corporation | 3859 |
| Hoffman | 3964 |
| Hoffman Controls Corp. | 3836 |
| Honeywell Analytics | 3823 |
| Howe Precision Industrial Inc. | 3853 |
| Hubbell Building Automation, Inc. | 3739 |
| HVACexpertise.com | 3839 |
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| I |
| Independent Controls Specialists Inc. (ICS) | 3820 |
| Innotech Control Systems | 3639 |
| Innotech Controls America | 3639 |
| INTEC Wilson Mohr, Inc. | 3968 |
| Intellidyne LLC | 3746 |
| International Training Institute (iTi) | 3839 |
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| J |
| JUMO Process Control, Inc. | 3819 |
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| K |
| Kavlico Corporation | 3846 |
| Kele Inc. | 3522 |
| KMC Controls | 3735 |
| Kunkle Valve | 3841 |
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| L |
| LiveFire Connect | 3852 |
| LonMark Americas (LMA) | 3736 |
| LonMark International | 3736 |
| LOYTEC | 3619 |
| Lynxspring, Inc. | 3744 |
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| M |
| MAMAC Systems, Inc. | 3510 |
| Mitsubishi Electric Automation, Inc. | 3732 |
| MSA | 3717 |
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| N |
| Nelson Controls LLC | 3629 |
| NEP, Inc. | 3810 |
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| O |
| ONICON Incorporated | 3536 |
| Open General | 3545 |
| Optimum Energy, LLC | 3741 |
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| P |
| Prattco, Inc. | 3527 |
| Pro-Temp Controls, Inc. | 3828 |
| Proliphix Inc. | 3727 |
| PSG Controls, Inc. | 3936 |
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| Q |
| Quatrosense Environmental Ltd. | 3752 |
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| R |
| Red-White Valve Corporation | 3547 |
| Reliable Controls® Corporation | 3600 |
| Richards-Zeta Building Intelligence, Inc. | 3443 |
| Rocky Research | 3954 |
| Rotronic Instrument Corp. | 3857 |
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| S |
| Sensata Technologies Inc. | 3935 |
| Setra Systems, Inc. | 3910 |
| Sierra Monitor Corporation | 3653 |
| Smart Controls, LLC | 3923 |
| Spartan Peripheral Devices | 3946 |
| Spectrum Sensors & Controls | 3755 |
| System Sensor | 3822 |
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| T |
| TABB | 3839 |
| TCS Basys Controls | 3647 |
| Tekmar Control Systems Ltd. | 3932 |
| Thermodynamic Process Control | 3852, 4674 |
| Trend Control Systems USA | 3632 |
| Tridium | 3418 |
| Trs Systems, Inc. | 3844 |
| Tyco Flow Control | 3841 |
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| V |
| Vaisala, Inc. | 3736 |
| Valley Tool & Design, Inc. | 3943 |
| Valve Teck, Inc. | 3715 |
| Valvexport Inc. | 3539 |
| Vector Controls Ltd. | 3768 |
| Veris Inc. | 3922 |
| Veris Industries | 3759 |
| Viconics Electronics, Inc. | 3762 |
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| W |
| Watt Stopper / Legrand | 3719 |
| Windy City Wire, Inc. | 3949 |
| Winters Instruments | 3864 |
| Wonderware | 3753 |
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| Y |
| Yaskawa Electric America, Inc. | 3562 |
| YES Environment Technologies | 3912 |
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| Z |
| Zhengzhou Chuencharng Instrument & Apparatus Co., Ltd. | 3853 |
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