T.F.Campbell delivers over 100 Automatic Control Lines:
 | A-1 Components - Thermal Cutouts, Fusible Links, Time Delay Relays, Motor Phase Protectors |
| Abbeon - Hygrometers |
| Accustat - Thermostats |
| Air Products and Controls - Duct Smoke Detectors, Power Supplies, Relays |
| Allanson - Ignition Transformers |
| Alnor - Air Measurement Devices |
| American Meter - NOW Sensus - Gas Regulators |
| Ametek - Liquid Level Controls |
| Anderson - Level & Flow Controls |
| Apollo Valves - Ball Valves, Check Valves, Plumbing & Heating Valves, Gauge Cocks & Gauge Glass |
| Antunes - Pressure Switch |
| ASCO - Automatic Switch Company - Solenoid Valves & Pressure Switch |
| ASCO General - Hydramotor Gas Valves and Solenoid Valves |
| ASCO Joucomatic - Valves |
| ASCO Scientific |
| ASCO Filter, Regulator Lubricator |
| ASCO - School Gas Safety Shut-Off Panels & Valves - 108D90C, 108D10C |
| BRK - Duct Smoke Detector |
| Bacharach Instruments - Combustion Instruments, Refrigeration Instruments & Testing Equipment |
| Bacharach Website |
| BAPI - Differential Pressure Transmitters for VAV and DDC Systems |
| Barber Colman - NOW TAC - Environmental Controls - Electric, Electronic, Pneumatic, DDC |
| Barnes & Jones - Steam Traps & Replacement "Cage Units" |
| Baron - Thermostat Wire |
| Baso - Pilot Safety Controls |
| Bell & Gossett - Hydronic Pumps, Circuit Setters & Repair Parts |
| Belimo - Direct Coupled Actuators |
| Braeburn - Thermostats |
| Bryant - H Pilots |
| B/W Controls - Liquid Level Controls |
| Cash Acme - Valves |
| Chart Pool - Recorder Charts |
| Cleveland Controls - Pressure Switch |
| Conbraco - Relief Valves, Strainers, Check Valves, Boiler Water Gauge Sets, Redline Gauge Glass |
| Control Products - Freeze Alarms with Voice Dialer |
| Core - Control Transformers |
| Crown - Ignition Parts |
| Danfoss - Self Contained Radiator Valves |
| Dekeron - Pneumatic Fire Resistant Tubing |
| Detroit - Saginaw DCP Control Enclosures |
| Dongan - Ignition Transformers |
| Dwyer Instruments - Pressure Switch, Manometers, Magnahelic, Photohelic, & Minihelic Gauges |
| Eagle Signal - Timers |
| Echelon - SLTA-10 Lon Talk Adapter - Network Wire - Termination Resistors |
| Empire Comfort Systems - ECS Low Mass Thermocouples for Space Heaters / Gas Fire Places |
| Engler - NOW Redington Hour Meters |
| Equimeter - Gas Regulators |
| Erie - Zone Valves |
| Essex - Relays |
| Federal Signal - Alarm Horns |
| Field Controls - UV-Aire Air Purifying Systems, Draft Controls |
| Federal Signal - #350 Alarm Horn |
| Fenwal - Gas Ignition Controls |
| Fireye - Flame Safeguard Controls |
| Firex - Duct Smoke Detectors |
| Fisher Controls - Valves |
| Functional Devices - Relay In A Box (RIB Relays) and Current Transducers ( CTs ) |
| General Controls - Hydramotor Gas Valves and Solenoid Valves |
| Grasslin - Timers |
| Grundfos - HVAC Circulator Pumps |
| Hankinson - Air Dryer Repair Kits |
| Hawkeye - Current Sensing Switch |
| Hays Cleveland Controls - Pressure Switch |
| Heat-Timer - Steam & Hot Water Boiler Weather Actuated Temperature Controls |
| HID - Access / Entry Components - Cards, Readers, Fobs |
| Hoffman Specialty - Steam & Water Heating System Components |
| Honeywell - VFD's, Residential, Commercial, Pneumatic, Electric Electronic, Mechanical, Excel DDC |
| Honeywell Industrial - Industrial Controls, Recorder Charts |
| Idec - Panel & DIN Rail Mounted Relays |
| Intec - Adjustable Furnace Pressure Switch |
| Intermatic - Timers |
| Invensys - Automatic Controls & Gas Regulators |
| Invensys - Environmental Controls - Electric, Electronic, Pneumatic, DDC |
| ITT General - Hydramotor Gas Valves and Solenoid Valves |
| Heat-Timer - Electronic Heating Boiler Control Systems and Vari-Valve Steam Vents |
| Hoffman - Steam Vents, Air Vents, Condensate Receivers, Steam Traps, Strainers, and Regulators |
| Honeywell - Automatic Controls - Residential, Commercial, Industrial, DDC, & Dampers |
| Hydrolevel - Liquid Level Controls |
| Johnson Conrols - Automatic Controls - Electric & Pneumatic |
| Kane May - Combustion Analyzers |
| Kreuter - Actuators |
| Landis & Gyr Powers - Pneumatic Controls |
| Landis & Staefa - Pneumatic Controls |
| MCC Powers - Process Temperature Controls Self Contained #11, Accritem |
| MA-Line - Inspection Mirrors, Lighters, Smoke Candles |
| M. H. Rhodes - Hand Wound Timers for lighting & Exhaust Fans |
| Macon - Radiator Valves |
| Macurco - Carbon Monoxide Detectors for Parking Garage applications & Refrigeration Detectors |
| Modus - Pressure Transmitters |
| Magnatrol - Solenoid Valves |
| Magnetrol - Liquid Level Controls |
| Magnet-O-Matic - Pipe Locater |
| Mamac - Static Pressure & Temperature Sensors |
| Maple Chase - Thermostats & Smoke Detectors |
| Mark-Time - Hand Wound Timers for Lighting & Exhaust Fans |
| Marlin - Thermocouple, Protection Tubes, Extension Lead-Wire |
| Marsh Bellofram - Pressure Gauges - Tridicators |
| Marsh Gauge - Pressure Gauges - Tri-Dicators |
| Marshalltown - Pressure Gauges - Tridicators |
| Marsh Instruments - Pressure Gauges - Tridicators |
| Maxitrol - Gas Pressure Regulators |
| Maxon - Industrial Gas Valves & Burner Equipment |
| McDonnell Miller - Boiler Controls, Liquid Level, Flow Switch, Relief Valve, & Repair Parts |
| Mercoid - Pressure Switch, Temperature Control, Liquid Level Control |
| Neptronic - Actuators |
| Norgren - Air Regulators |
| Norton - Igniters |
| Paragon - Electric & Electronic Control Timers and Energy Management Devices |
| Partlow - Temperature Controls |
| PSG - Thermostats, Programmable Style and Tamper-Proof Models |
| Penn Baso - Automatic Controls |
| Potter Brumfield - Relays |
| Powers - NOW Siemans - Pneumatic Controls |
| Quincy - Compressor Repair Parts |
| RAM - Controls |
| RIB Relays - Functional Devices Relay In A Box |
| Ranco - Refrigeration Controls |
| Raytek - Non-Contact Temperature Measurement Devices |
| Redington - Hour Meters & Counters |
| Reliance - Gas Regulators |
| Robertshaw - NOW Invensys Electric, Pneumatic, Cooking Controls |
| Rockwell - Gas Regulators |
| Saginaw - Detroit DCP Panels |
| Santronics - Non-Contact Voltage Sensors |
| Siemens - Pneumatic Controls |
| Sensus - Gas Regulators |
| Setra - Pressure Transmitters & Power Supplies |
| Sherwood - Thermostat Guards |
| Siebe - Environmental Controls - Electric, Electronic, Pneumatic, DDC |
| Siemans - Powers Pneumatic Controls |
| Skuttle - Humidifiers |
| Spirax Sarco - Steam Trap Replacement Parts |
| Stemco - Hour Meters |
| Steveco - Relays |
| System Sensor - Duct Smoke Detectors |
| T.A.C - TAC Formerly Invensys Building Systems |
| Tekmar - Automatic Weather Controlled Boiler Temperature Management for Steam & Hot Water |
| Testo - Combustion Testers |
| TIF - Combustible Gas Detector |
| Tjernlund - Draft Inducer Fans |
| Trerice - Gauges, Thermometers |
| Trol-A-Temp - Zone Control Systems for Forced Air Systems |
| UEI - Gas Detection, Carbon Monoxide Detectors |
| Universal Enterprises - UEI - Test Meters - Electric, Combustible, CO |
| Uni-Line - Robertshaw Pneumatic, Electric, and Electronic Controls for Schools, Institutional Buildings, and Cooking |
| Veris - Current Status Switch and Power Demand Equipment |
| W.E.Anderson - Flow Indicators |
| Watsco - Short Cycle Protection for Motor & Compressor Protection, Thermal Cut-Outs (Fusible) |
| Watts - Safety Valves, Controls, Pump Isolation Flanges |
| Webster - Ignition Transformer |
| Weiss Instruments - Thermometers for Chilled and Hot Water Systems |
| White Rodgers - Automatic Controls |
| Zoom Spout Oiler |