A
ACR SYSTEMS
ANTUNES CONTROLS
ASCO
AUTO TRAN, INC.
AUTOMATION CONTROLS, INC.
B
BACHARACH
BARBER COLMAN
BECKETT, R.W.
BELIMO AIRCONTROL
BELL & GOSSETT
BRAUKMANN (HONEYWELL)
C
CLEVELAND CONTROLS
CONTROL PRODUCTS INC
D
DANFOSS HYDRONIC
DWYER INSTRUMENTS
E
ERIE MANUFACTURING
F
FIREYE
FUNCTIONAL DEVICES (RIB)
G
GENERAL CONTROLS
GRASSLIN
GREYSTONE ENERGY SYSTEMS

H
HANKISON
HILLIARD (HILCO DIVISION)
HOFFMAN, ITT
HONEYWELL
- ANALYTICS 
- COMMERCIAL CONTROLS
- EXCEL 5000 DDC
- FLAME SAFEGUARD
- PERFECT CLIMATE
- PNEUMATIC CONTROLS
- WEBS (TRIDIUM)
HONEYWELL FIELD SOLUTIONS (IM&C)*
I
IDEC
INVENSYS CLIMATE CONTROLS
J
JOHNSON CONTROLS
- COMMERCIAL CONTROLS
- FACILITY EXPLORER
- METASYS COMPONENTS
- PNEUMATIC CONTROLS
K
KMC CONTROLS
M
MACURCO
MAGNETROL (See HONEYWELL and PROMAG)
MARS
MAXITROL
MCDONNELL & MILLER
MIDCO (ECONOMITE)
MOXA

O
OIL CONTROLS INTERNATIONAL
ORION INSTRUMENTS (See PROMAG)
P
PARAGON
PRECISION DIGITAL CORP.
PROMAG
PROSOFT TECHNOLOGY
PYROMATION
Q
QUINCY COMPRESSOR
R
ROBERTSHAW / UNILINE
ROTRONICS
S
SCHNEIDER ELECTRIC
SENSUS METERING SYSTEMS
SIEMENS
SUNTEC
SYSTEM SENSOR
T
TAC FIELD DEVICE DIVISION
TESTO INSTRUMENTS
TRIDIUM (WEBS)
TUTTLE & BAILEY
U
UNIVERSAL ENTERPRISES
V
VERIS INDUSTRIES
VULCAIN
W
WATTS
WHITE-RODGERS

*Not available in all marketing areas