- Mastertech Electronics
- Matsushita Electric Corp
- Matsushita Electric Corp
- Mattox Electric Svc
- Maverick Global Enterprises
- Maverick Tube
- Maxima Electrical Sales Co
- Maydwell & Hartzell
- Mayer Electric Supply Co
- Mayer Electric Supply Co
- Maynard's Electric Supply Inc
- Mazzanti
- Mc Clure Hill Inc
- Mc Kinstry Inc
- MCT Brattberg Inc
- MCT Brattberg Inc
- Measurement Specialty Corp
- Measurement Specialty Corp
- MEF Control
- Melles Griot Inc
- Meltric Corp
- Mem-Connections
- Menard Electronics Inc
- Mercedes Electric Supply
- Mercury Industries Inc
- Meter Man Inc
- Metrowest Electric Sales
- Mettler Electronics Corp
- Mettler Electronics Corp
- Microplex Inc
- Mid-State Mfg Corp
- Mid-States Controls Inc
- Midwest Equipment Co Inc
- Mil-E Services Inc
- Milbank Manufacturing Co
- Minarik Automation & Control
- Minarik Automation & Control
- Mining Dynamics Inc
- Miset
- Mitsubishi Electric Automation
- Modicon Inc
- Modular Service Co
- Moehn Electrical Sales Co
- Moellinger Electronics
- Monach Electric Co
- Monarchy International
- Mono-Systems Inc
- Montroy Supply Co
- Moog Components Group
- Motion Engineering
- Mr Fix It
- Mr Fix It
- Mr Fix It
- MSSM Inc
- Mulberry Metal Products Inc
- Multi-CONTACT USA
- Murata Electronics
- Myers Power Products Inc
- N A Hagemeyer
- Narrangansett Imaging
- National Breaker Svc
- National Electrostatics Corp
- National Meter Ind
- National Switchgear Systems
- Natural Resources Group USA
- Nautel Maine Inc
- Naylon Products Inc
- NCW Inc
- Nelok Inc
- NELSON Heat Trace
- Newark Electronics
- NGK-Locke Inc
- Nilsson Electrical Lab Inc
- Nortech Systems Inc
- Northeast Electric
- Northeast Electrical Distr
- Northrop Grumman Elect Systems
- Notoco Industries Inc
- Nu-Lite Electrical Wholesalers
- O T Hall & Son Inc
- OHM Intl
- Olathe Winlectric
- Olsun Electrics Of Wisconsin
- Omicron Electronics Corp USA
- Omni Mount Systems Inc
- On Line Trend
- Onesource
- Opti Fuse
- Optimal Control Systems
- Orbit Industries
- Original Systems
- Ormet Circuits Inc
- Ormond Associates Inc
- P Core Electric Inc
- P W Assoc
- Pac West Sales
- Pacific Electric Co
- Pacific Electrical Supply
- Pacific Power Control Inc
- Panduit Corp
- Panduit Corp
- Panduit Corp
- Panduit Corp
- Panel Components Corp
- Panel Shop
- Panel Tech Co
- Panelboard Specialties WHOL
- Paneltek
- Paramount Electrical Distr
- Parr-Park & Assoc Inc
- Parsec Products Inc
- Pascor Atlantic Corp
- Pass & Seymour Legrand
- Pass & Seymour-Legrand
- Pass & Seymour/Le Grand
- Pass & Seymour/Le Grand
- Pass & Seymour/Legrande
- Payne Electrical Sales Corp
- PED Co
- Pemstar Inc
- Penn-Union Corp
- Pepperl & Fuchs
- Pepperl & Fuchs Inc
- Perrone Door Co Inc
- Perry & Assoc Electric Sales
- Pfeiffer & Hawkins Sales Co
- Phihong USA
- Philatron International
- Physical Measurement Tech
- Pierliteusa Inc
- Pirelli Power Cables & Systems
- Pirelli Power Cables & Systems
- Polar Wire Products
- Polhemus Inc
- Povolny Specialties
- Powell Electrical Mfg Co
- Powell North Canton Div
- Power Connections Inc
- Power Delivery Svc
- Power Integrations Inc
- Power MEASUREMENT-USA
- Power MEASUREMENT-USA
- Power Stor Corp
- Power Substations Inc
- Power Systems Development
- Powercon Corp
- Powerline Products Inc
- Powertronics Inc
- Precision Contacts Inc
- Precision Controls Inc
- Precision Magnetic Bearing
- PRECO Laser Systems LLC
- Preformed Line Products Co
- Presco Electric Supply
- Priester Supply
- Priester Supply Co
- Priester Supply Co
- Priester Supply Inc
- Production Specialities
- Progressive Industries
- Ptr-Precision Technologies Inc
- Pulse Engineering Inc
- Q E Controls Inc
- Quadrant Engineering Inc
- Quality Manufacturing Co
- Queensgate Instruments Inc
- R & R Electric-Tel Sales
- R & R Electrical Mfg Co
- R & R Supply Co
- R B 'n S Inc
- R E Svc Co
- R O Whitesell & Assoc
- Raco Mfg & Engineering Co
- Radiall-Jerrik Inc
- Radio Design Labs
- Radio Shack
- Rak Sales Agency
- Ralph Pill Electric Supply Co
- RAM Electronic Sales Inc
- Ramapo Supply House
- Randl Industries
- Raychem Corp
- Real Vision USA
- Recognition Systems Inc
- Recognition Systems Inc
- Red Lion Controls
- Redox Technology Corp
- Relcon Inc
- Reliance Electric
- Reliance Electric
- Remington Industries
- Remington Industries
- Repco Inc
- Reuel
- Revco Electrical Supply Inc
- Rexel
- Rexel Calcon
- Rexel Consolidated
- Rexel Pacific
- Rexel Taylor Electric Supply
- Rexel United
- Rexel United
- Reynolds Co
- Reynolds Co
- Rhino Analytics
- Rhino Analytics
- Rhino Brothers
- Rhino Brothers
- Rhodes Electrical Sales Agency
- Richard's Electric Supply
- Richardson Electrical Equip
- Rite Track Equipment Svc Inc
- Rittal Corp
- Ritz Instruments Transformers
- Rockingham Electrical Supl Co
- Rocklin Manufacturing
- Rockwell Automation
- Rockwell Automation
- Rockwell Automation
- Rockwell Automation
- Rockwell Automation
- Rockwell Automation
- Rockwell Automation
- Rockwell Automation
- Rockwell Automation
- Rockwell Automation
- Rockwell Automation
- Rockwell Automations
- Rofin-Baasel Inc
- Roxtec Inc-Atlantic
- Roy E Wilson Co
- Ruffin & Assoc
- Ryan Sales
- S & C Electric
- S & C Electric Co
- S & J Control
- S & N Products
- Saginaw Control & Engineering
- Saint-Gobain Advanced Ceramics
- Salesair Mfg Corp
- Salesair Mfg Corp
- Samson Electrical Supply Co
- Sanyu Electric Inc
- Saunders Electric Sales LLC
- Schatz USA Inc
- Schatz USA Inc
- Schneider Electric
- Schneider International
- Schultz Brothers Inc
- Schuster Electric Co
- Schweitzer Engineering
- Schweitzer Engineering Labs
- Schweitzer Engineering Labs
- Scientific Laser Connection
- Scot Electrical Products
- Scott Electrical Sales
- Screen Tech
- SDP Manufacturing Inc
- Seacoast Electric Co
- Secur-Data Systems Inc
- Selectric Inc
- Sensor Systems
- SEPP
- Sesco Lighting
- Shannon Precision Inc
- Shanor Lighting Ctr
- Shawmut Ferraz
- Sherman & Reilly Inc
- Shiloh Industries Inc
- Show'Ntell Machine Graphics
- Showmen Supplies Inc
- Siemens Corp
- Siemens Energy & Automation
- Siemens Energy & Automation
- Siemens Energy & Automation
- Siemens Energy & Automation
- Siemens Energy & Automation
- Siemens Energy & Automation
- Siemens Energy & Automation
- Siemens Energy & Automation
- Siemens Energy & Automation
- Siemens Energy & Automation
- Siemens Power Trans & Distr
- Siemens Process Solutions
- Siemens Transportation Systems
- Siemens Utility Sales
- Siemens VDO Automotive
- Siemens Westinghouse
- Siemens Westinghouse
- Simulator Systems
- Sisco Breakers Inc
- SKM Co
- Smith-El Dis-Co Inc
- Sonicor Instrument Corp
- Southcoast Electric Systems
- Southcon
- Southeastern Electronic Svc
- Southern Electra-Spec Sales
- Southern Electrical Equip Dist
- Southern States LLC
