| CompanyID | Company | Description | State |
| 726 | e&j realty partnership inc. | real estate development | CA |
| 370 | E.I.F. Company | Process Control Training | OR |
| 822 | East American Plastics Inc. | Injection Molding Operation. Looking to expand. | KY |
| 1141 | EE+, Inc. | System Integrator. Design, programming, installation and startup of automation and controls. | AL |
| 1084 | EFR COMPANY | FIRE SAFETY.ORGANIC FERTILIZERS,HIGH ENERGY WATER TREATMENT DEVICES FOR PERSONAL AND INDUSTRIAL APPLICATIONS TO REPLACE CHEMICAL WATER TREATMENT | IL |
| 281 | Electro Design Services,inc | Engineering service contractors for Instrumentation,Controls, Automation Systems:
Lightning,transient suppression and grounding | NC |
| 338 | Electronic Controls | Automation Specialist:
Field Service,Commissioning,Forensic Engineering,Preventative Maintenance
Sensor selection, configuration,evaluation
and intergration. | FL |
| 13 | Elsag Bailey Process Automation | Elsag Bailey is a division of ABB. | OH |
| 3025 | ELTELCON SDN BHD | electrical material suppliers & contractors | MI |
| 11 | Emerson Electric | Emerson Electric Co. is a global manufacturer with high-quality products, systems and sevices for commercial, industrial, and consumer markets. | MO |
| 363 | Emery's Diesel & Farm Equipment Repair | Diesel & farm Equipment repair. | OR |
| 2324 | Employers First | Health and Safety sevices to employers | Ontario |
| 3281 | EMX CONTROLS, INC | AUTOMATION AND CONTROLS OEM CONTRACT MANUFACTURER | MA |
| 2801 | ENERTECH SERVICES INC | trading company | British Columbia |
| 783 | ePanel Plus Ltd. | We build Industrial Control Panels | OH |
| 407 | ERAD International, Inc. | Manufacturer of industrial controls and HV power supplies. | MT |
| 1645 | Erickson and Associates | Control system troubleshooting and upgrades | FL |
| 2871 | ESRC | ESRC offers low cost shredders,grinders,and other types of equipment for everyone who has a need for processing waste material. | IN |
| 2781 | Extreme Instumentation | instrumentation service company,
new construction. | Alberta |
